diff --git a/static/frontend/about/about.min.css.map b/static/frontend/about/about.min.css.map
index 950784d..aacf72e 100644
--- a/static/frontend/about/about.min.css.map
+++ b/static/frontend/about/about.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["about.css"],
   "sourcesContent": ["/*\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.about-Wrapper ul {\n  list-style-type: disc;\n  padding-left: 2em;\n}\n\n.about-Wrapper li {\n  margin: 0.5em 0;\n}\n\n.about-Wrapper b {\n  font-weight: bold;\n}\n\na.btn {\n  background: var(--color-button);\n  border-radius: 0.3125rem;\n  color: var(--white);\n  display: block;\n  font-size: 1rem;\n  font-style: normal;\n  font-weight: 400;\n  line-height: 1rem;\n  margin-top: 1rem;\n  padding: 0.625rem;\n  text-align: center;\n  text-decoration: none;\n}\n\n.about-Content {\n  grid-area: content;\n  padding: 0;\n}\n\n.about-Content ul {\n  overflow-wrap: break-word;\n}\n\n.about-Content h1 {\n  font-size: 2.25rem;\n  font-weight: 400;\n  line-height: 2rem;\n}\n\n.about-Content h2 {\n  font-size: 1.5rem;\n  font-weight: 400;\n  line-height: 2rem;\n}\n\n.about-Content h3 {\n  font-size: 1.125rem;\n  font-weight: 400;\n  line-height: 2rem;\n}\n\n.about-Content p {\n  font-size: 0.875rem;\n  font-weight: 400;\n  line-height: 1.5rem;\n}\n\n.about-Wrapper {\n  display: grid;\n  gap: var(--gap);\n  grid-template-areas: 'content';\n  margin: 2rem auto 0;\n  max-width: 110rem;\n  padding: 0 var(--gutter);\n}\n\n.Sidebar {\n  display: none;\n  grid-area: Sidebar;\n  margin-top: 6rem;\n}\n\n.Sidebar a {\n  width: 7.5rem;\n}\n\n.Sidebar h4 {\n  font-size: 1rem;\n  font-style: normal;\n  font-weight: 500;\n  line-height: 1.5rem;\n}\n\n.Sidebar p,\n.Sidebar-faq .link {\n  font-size: 0.875rem;\n  font-style: normal;\n  font-weight: 400;\n  line-height: 1.5rem;\n}\n\n.Sidebar-faq h4 {\n  font-size: 0.813rem;\n  margin-bottom: 0.375rem;\n  margin-top: 1.25rem;\n}\n\n.Sidebar-faq p {\n  margin-bottom: 0.625rem;\n  margin-top: 0;\n}\n\n.Sidebar-socialLinks {\n  align-items: center;\n  display: flex;\n}\n\n.Sidebar-socialLinks a {\n  display: flex;\n  margin-right: 0.675rem;\n  width: unset;\n}\n\n.LeftNav-columns {\n  display: flex;\n}\n\n.LeftNav-sidebar {\n  display: none;\n  grid-area: LeftNav-sidebar;\n  height: 100vh;\n  overflow: auto;\n  padding: 0;\n  position: sticky;\n  top: 0;\n}\n\n.LeftNav {\n  display: flex;\n  flex-direction: column;\n}\n\n.LeftNav a {\n  align-items: center;\n  display: flex;\n  padding-bottom: 0.675rem;\n  padding-top: 0.675rem;\n  text-decoration: none;\n}\n\n.LeftNav a span {\n  color: var(--color-text-subtle);\n  flex: 30;\n  font-size: 1rem;\n  font-style: normal;\n  font-weight: 500;\n  line-height: 1.5rem;\n  margin: 0 0.75rem;\n}\n\n.LeftNav .LeftSubnav a span {\n  font-size: 0.875rem;\n  font-weight: 400;\n}\n\n.LeftSubnav a {\n  padding-left: 1rem;\n}\n\n.LeftNav a.active,\n.LeftNav a:hover,\n.LeftNav a:active,\n.LeftNav a:focus {\n  background: var(--color-background-info);\n}\n\n.LeftNav a.active span,\n.LeftNav a:hover span,\n.LeftNav a:active span,\n.LeftNav a:focus span {\n  color: var(--color-text);\n}\n\n.LeftNav ul.LeftSubnav li a.active,\n.LeftNav ul.LeftSubnav li a:hover,\n.LeftNav ul.LeftSubnav li a:active,\n.LeftNav ul.LeftSubnav li a:focus {\n  background: var(--color-background-accented);\n}\n\n.LeftSubnav {\n  list-style: none;\n  margin-bottom: unset;\n  margin-top: unset;\n  padding: unset;\n}\n\n.LeftSubnav img {\n  flex: 1;\n  visibility: hidden;\n}\n\n.LeftSubnav a.active img,\n.LeftSubnav a:hover img,\n.LeftSubnav a:focus img,\n.LeftSubnav a:active img {\n  visibility: visible;\n}\n\nul.LeftSubnav {\n  padding-left: unset;\n}\n\n.LeftSubnav li {\n  list-style: none;\n  margin: unset;\n}\n\n@media (min-width: 50rem) {\n  .about-Wrapper {\n    grid-template-areas: 'LeftNav-sidebar content';\n    grid-template-columns: 1fr 3fr;\n    margin-top: 3rem;\n  }\n\n  .about-Content {\n    padding: 0;\n  }\n\n  .LeftNav-sidebar {\n    display: block;\n  }\n}\n@media only screen and (min-width: 90rem) {\n  .about-Wrapper {\n    grid-template-areas: 'LeftNav-sidebar content Sidebar';\n    grid-template-columns: 1.5fr 4fr 1.5fr;\n  }\n\n  .Sidebar {\n    display: block;\n  }\n}\n"],
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   "names": []
 }
diff --git a/static/frontend/about/index.js b/static/frontend/about/index.js
index b888a98..4c6f1a0 100644
--- a/static/frontend/about/index.js
+++ b/static/frontend/about/index.js
@@ -1,4 +1,4 @@
-var M=async function(){if(!["/about"].includes(window.location.pathname))return;let f="h2, h3, h4",i=".LeftNav a",l=document.querySelector(".LeftNav"),c=document.querySelector(".go-Content"),u=!1;function r(t="",o={},...n){if(!t)throw new Error("Provide `type` to create document element.");let a=Object.assign(document.createElement(t),o);return n.forEach(e=>{typeof e=="string"?a.appendChild(document.createTextNode(e)):Array.isArray(e)?e.forEach(s=>a.appendChild(s)):e instanceof HTMLElement&&a.appendChild(e)}),a}function v(){return new Promise((t,o)=>{let n=[],a=[];if(!c||!l)return o(".SiteContent not found.");if(l instanceof HTMLElement&&!l?.dataset?.hydrate)return t(!0);for(let e of c.querySelectorAll(f))if(e instanceof HTMLElement&&!e?.dataset?.ignore)switch(e.tagName){case"H2":n=[...n,{id:e.id,label:e?.dataset?.title?e.dataset.title:e.textContent??""}];break;case"H3":case"H4":n[n.length-1]?.subnav?n[n.length-1].subnav&&n[n.length-1].subnav?.push({id:e.id,label:e?.dataset?.title?e.dataset.title:e.textContent??""}):n[n.length-1].subnav=[{id:e.id,label:e?.dataset?.title?e.dataset.title:e.textContent??""}];break}for(let e of n){let s=r("a",{href:"#"+e.id},r("span",{},e.label));if(a=[...a,s],e?.subnav){let m=[];for(let b of e.subnav){let H=r("li",{},r("a",{href:"#"+b.id},r("img",{src:"/static/frontend/about/dot.svg",width:"5",height:"5"}),r("span",{},b.label)));m=[...m,H]}let y=r("ul",{className:"LeftSubnav"},m);a=[...a,y]}}return a.forEach(e=>l.appendChild(e)),t(!0)})}function g(){return new Promise(t=>{if(!document.querySelectorAll(i))return t(!0);for(let o of document.querySelectorAll(i))if(o instanceof HTMLAnchorElement&&o.href===location.href){d(o);break}t(!0)})}function L(){return new Promise(t=>{if(!document.querySelectorAll(i))return t(!0);for(let o of document.querySelectorAll(i))o.classList.remove("active");t(!0)})}function d(t){t instanceof HTMLAnchorElement&&L().then(()=>{t.classList.add("active");let o=t?.parentNode?.parentNode;o instanceof HTMLElement&&o?.classList?.contains("LeftSubnav")&&o.previousElementSibling?.classList.add("active")})}function p(){h();let t=document.querySelector('[href="'+location.hash+'"]');t instanceof HTMLAnchorElement&&d(t)}function h(){u=!0,setTimeout(()=>{u=!1},200)}function E(){if(window.addEventListener("hashchange",p),c?.querySelectorAll(f)){let t=n=>{if(!u&&Array.isArray(n)&&n.length>0){for(let a of n)if(a.isIntersecting&&a.target instanceof HTMLElement){let{id:e}=a.target,s=document.querySelector('[href="#'+e+'"]');s instanceof HTMLAnchorElement&&d(s);break}}},o=new IntersectionObserver(t,{threshold:0,rootMargin:"0px 0px -50% 0px"});for(let n of c.querySelectorAll(f))n instanceof HTMLElement&&!n?.dataset?.ignore&&o.observe(n)}}try{await v(),await g(),location.hash&&h(),E()}catch(t){t instanceof Error?console.error(t.message):console.error(t)}};export{M as initJumpLinks};
+var O=async function(){if(!["/about"].includes(window.location.pathname))return;let d="h2, h3, h4",u=".LeftNav a",i=document.querySelector(".LeftNav"),c=document.querySelector(".go-Content"),h=!1;function a(t="",r={},...o){if(!t)throw new Error("Provide `type` to create document element.");let n=Object.assign(document.createElement(t),r);return o.forEach(s=>{typeof s=="string"?n.appendChild(document.createTextNode(s)):Array.isArray(s)?s.forEach(l=>n.appendChild(l)):s instanceof HTMLElement&&n.appendChild(s)}),n}function T(){return new Promise((t,r)=>{var s,l,f,L,v,E,p,y,H,A;let o=[],n=[];if(!c||!i)return r(".SiteContent not found.");if(i instanceof HTMLElement&&!((s=i==null?void 0:i.dataset)!=null&&s.hydrate))return t(!0);for(let e of c.querySelectorAll(d))if(e instanceof HTMLElement&&!((l=e==null?void 0:e.dataset)!=null&&l.ignore))switch(e.tagName){case"H2":o=[...o,{id:e.id,label:(f=e==null?void 0:e.dataset)!=null&&f.title?e.dataset.title:(L=e.textContent)!=null?L:""}];break;case"H3":case"H4":(v=o[o.length-1])!=null&&v.subnav?o[o.length-1].subnav&&((A=o[o.length-1].subnav)==null||A.push({id:e.id,label:(y=e==null?void 0:e.dataset)!=null&&y.title?e.dataset.title:(H=e.textContent)!=null?H:""})):o[o.length-1].subnav=[{id:e.id,label:(E=e==null?void 0:e.dataset)!=null&&E.title?e.dataset.title:(p=e.textContent)!=null?p:""}];break}for(let e of o){let C=a("a",{href:"#"+e.id},a("span",{},e.label));if(n=[...n,C],e!=null&&e.subnav){let b=[];for(let M of e.subnav){let x=a("li",{},a("a",{href:"#"+M.id},a("img",{src:"/static/frontend/about/dot.svg",width:"5",height:"5"}),a("span",{},M.label)));b=[...b,x]}let N=a("ul",{className:"LeftSubnav"},b);n=[...n,N]}}return n.forEach(e=>i.appendChild(e)),t(!0)})}function S(){return new Promise(t=>{if(!document.querySelectorAll(u))return t(!0);for(let r of document.querySelectorAll(u))if(r instanceof HTMLAnchorElement&&r.href===location.href){m(r);break}t(!0)})}function k(){return new Promise(t=>{if(!document.querySelectorAll(u))return t(!0);for(let r of document.querySelectorAll(u))r.classList.remove("active");t(!0)})}function m(t){t instanceof HTMLAnchorElement&&k().then(()=>{var o,n,s;t.classList.add("active");let r=(o=t==null?void 0:t.parentNode)==null?void 0:o.parentNode;r instanceof HTMLElement&&((n=r==null?void 0:r.classList)!=null&&n.contains("LeftSubnav"))&&((s=r.previousElementSibling)==null||s.classList.add("active"))})}function w(){g();let t=document.querySelector('[href="'+location.hash+'"]');t instanceof HTMLAnchorElement&&m(t)}function g(){h=!0,setTimeout(()=>{h=!1},200)}function q(){var t;if(window.addEventListener("hashchange",w),c!=null&&c.querySelectorAll(d)){let r=n=>{if(!h&&Array.isArray(n)&&n.length>0){for(let s of n)if(s.isIntersecting&&s.target instanceof HTMLElement){let{id:l}=s.target,f=document.querySelector('[href="#'+l+'"]');f instanceof HTMLAnchorElement&&m(f);break}}},o=new IntersectionObserver(r,{threshold:0,rootMargin:"0px 0px -50% 0px"});for(let n of c.querySelectorAll(d))n instanceof HTMLElement&&!((t=n==null?void 0:n.dataset)!=null&&t.ignore)&&o.observe(n)}}try{await T(),await S(),location.hash&&g(),q()}catch(t){t instanceof Error?console.error(t.message):console.error(t)}};export{O as initJumpLinks};
 /**
  * @license
  * Copyright 2022 The Go Authors. All rights reserved.
diff --git a/static/frontend/about/index.js.map b/static/frontend/about/index.js.map
index 01e0676..7cd2888 100644
--- a/static/frontend/about/index.js.map
+++ b/static/frontend/about/index.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["index.ts"],
   "sourcesContent": ["/**\n * @license\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Left Navigation.\n */\nexport const initJumpLinks = async function () {\n  const pagesWithJumpLinks = ['/about'];\n  if (!pagesWithJumpLinks.includes(window.location.pathname)) {\n    // stop the file from doing anything else if the page doesn't have jumplinks\n    return;\n  }\n\n  // these might be generated or not so don't grab references to the elements until actually need them.\n  const titles = 'h2, h3, h4';\n  const nav = '.LeftNav a';\n  // these are always in the dom so we can get them now and throw errors if they're not.\n  const leftNav = document.querySelector('.LeftNav');\n  const siteContent = document.querySelector('.go-Content');\n  let isObserverDisabled = false;\n\n  /**\n   * El function\n   * @example el('h1', {className: 'title'}, 'Welcome to the site');\n   * @example el('ul', {className: 'list'}, el('li', {}, 'Item one'), el('li', {}, 'Item two'), el('li', {}, 'Item three'));\n   * @example el('img', {src: '/url.svg'});\n   */\n  function el(\n    type = '',\n    props: { [key: string]: string } = {},\n    ...children: (HTMLElement | HTMLElement[] | string | undefined)[]\n  ) {\n    // Error, no type declared.\n    if (!type) {\n      throw new Error('Provide `type` to create document element.');\n    }\n\n    // Create element with optional attribute props\n    const docEl = Object.assign(document.createElement(type), props);\n\n    // Children: array containing strings or elements\n    children.forEach(child => {\n      if (typeof child === 'string') {\n        docEl.appendChild(document.createTextNode(child));\n      } else if (Array.isArray(child)) {\n        child.forEach(c => docEl.appendChild(c));\n      } else if (child instanceof HTMLElement) {\n        docEl.appendChild(child);\n      }\n    });\n\n    return docEl;\n  }\n  /**  Build Nav if data hydrate is present. */\n  function buildNav() {\n    return new Promise((resolve, reject) => {\n      let navItems: { id: string; label: string; subnav?: { id: string; label: string }[] }[] = [];\n      let elements: HTMLElement[] = [];\n\n      if (!siteContent || !leftNav) {\n        return reject('.SiteContent not found.');\n      }\n      if (leftNav instanceof HTMLElement && !leftNav?.dataset?.hydrate) {\n        return resolve(true);\n      }\n\n      for (const title of siteContent.querySelectorAll(titles)) {\n        if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n          switch (title.tagName) {\n            case 'H2':\n              navItems = [\n                ...navItems,\n                {\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                },\n              ];\n              break;\n\n            case 'H3':\n            case 'H4':\n              if (!navItems[navItems.length - 1]?.subnav) {\n                navItems[navItems.length - 1].subnav = [\n                  {\n                    id: title.id,\n                    label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                  },\n                ];\n              } else if (navItems[navItems.length - 1].subnav) {\n                navItems[navItems.length - 1].subnav?.push({\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? 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 }
diff --git a/static/frontend/badge/badge.min.css.map b/static/frontend/badge/badge.min.css.map
index 8cfe288..c67be9e 100644
--- a/static/frontend/badge/badge.min.css.map
+++ b/static/frontend/badge/badge.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["badge.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Badge label,\n.Badge input {\n  width: 100%;\n}\n\n.Badge-badgeIcon {\n  height: 1.25rem;\n  width: 5.625rem;\n}\n\n.Badge-snippetContainer {\n  background-color: var(--color-background-accented);\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n  margin-top: 1rem;\n  padding: 1rem;\n}\n\n.Badge-gopherLanding {\n  height: 12.25rem;\n  text-align: center;\n}\n\n.Badge-gopherLanding img {\n  height: 7.8125rem;\n  width: auto;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,MAAM,MACP,CADC,MACM,MACL,MAAO,IACT,CAEA,CAAC,gBACC,OAAQ,QACR,MAAO,QACT,CAEA,CAAC,uBACC,iBAAkB,IAAI,6BACtB,QAAS,KACT,eAAgB,OAChB,IAAK,KACL,WAAY,KArBd,QAsBW,IACX,CAEA,CAAC,oBACC,OAAQ,SACR,WAAY,MACd,CAEA,CALC,oBAKoB,IACnB,OAAQ,UACR,MAAO,IACT",
+  "mappings": ";;;;;AAMA,0BAEE,WAGF,iBACE,eACA,eAGF,wBACE,kDACA,aACA,sBACA,SACA,gBArBF,aAyBA,qBACE,gBACA,kBAGF,yBACE,iBACA",
   "names": []
 }
diff --git a/static/frontend/error/error.min.css.map b/static/frontend/error/error.min.css.map
index 7d2bb85..30f9517 100644
--- a/static/frontend/error/error.min.css.map
+++ b/static/frontend/error/error.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["error.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Error-message {\n  text-align: center;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,cACC,WAAY,MACd",
+  "mappings": ";;;;;AAMA,eACE",
   "names": []
 }
diff --git a/static/frontend/fetch/fetch.js b/static/frontend/fetch/fetch.js
index 056d259..962bd86 100644
--- a/static/frontend/fetch/fetch.js
+++ b/static/frontend/fetch/fetch.js
@@ -1,4 +1,4 @@
-var a=document.querySelector(".js-fetchButton");a&&a.addEventListener("click",e=>{e.preventDefault(),l()});async function l(){let e=document.querySelector(".js-fetchMessage"),t=document.querySelector(".js-fetchMessageSecondary"),o=document.querySelector(".js-fetchButton"),n=document.querySelector(".js-fetchLoading");if(!(e&&t&&o&&n))return;e.textContent=`Fetching ${e.dataset.path}`,t.textContent="Feel free to navigate away and check back later, we\u2019ll keep working on it!",o.style.display="none",n.style.display="block";let c=await fetch(`/fetch${window.location.pathname}`,{method:"POST"});if(c.ok){window.location.reload();return}let s=await c.text();n.style.display="none",t.textContent="";let r=new DOMParser().parseFromString(s,"text/html");e.innerText=r.documentElement.textContent??""}
+var s=document.querySelector(".js-fetchButton");s&&s.addEventListener("click",e=>{e.preventDefault(),i()});async function i(){var a;let e=document.querySelector(".js-fetchMessage"),t=document.querySelector(".js-fetchMessageSecondary"),o=document.querySelector(".js-fetchButton"),n=document.querySelector(".js-fetchLoading");if(!(e&&t&&o&&n))return;e.textContent=`Fetching ${e.dataset.path}`,t.textContent="Feel free to navigate away and check back later, we\u2019ll keep working on it!",o.style.display="none",n.style.display="block";let c=await fetch(`/fetch${window.location.pathname}`,{method:"POST"});if(c.ok){window.location.reload();return}let r=await c.text();n.style.display="none",t.textContent="";let l=new DOMParser().parseFromString(r,"text/html");e.innerText=(a=l.documentElement.textContent)!=null?a:""}
 /*!
  * @license
  * Copyright 2020 The Go Authors. All rights reserved.
diff --git a/static/frontend/fetch/fetch.js.map b/static/frontend/fetch/fetch.js.map
index ea6cd0f..597858b 100644
--- a/static/frontend/fetch/fetch.js.map
+++ b/static/frontend/fetch/fetch.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["fetch.ts"],
   "sourcesContent": ["/*!\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nconst fetchButton = document.querySelector('.js-fetchButton');\nif (fetchButton) {\n  fetchButton.addEventListener('click', e => {\n    e.preventDefault();\n    fetchPath();\n  });\n}\n\nasync function fetchPath() {\n  const fetchMessageEl = document.querySelector<HTMLHeadingElement>('.js-fetchMessage');\n  const fetchMessageSecondary = document.querySelector<HTMLParagraphElement>(\n    '.js-fetchMessageSecondary'\n  );\n  const fetchButton = document.querySelector<HTMLButtonElement>('.js-fetchButton');\n  const fetchLoading = document.querySelector<HTMLDivElement>('.js-fetchLoading');\n  if (!(fetchMessageEl && fetchMessageSecondary && fetchButton && fetchLoading)) {\n    return;\n  }\n  fetchMessageEl.textContent = `Fetching ${fetchMessageEl.dataset.path}`;\n  fetchMessageSecondary.textContent =\n    'Feel free to navigate away and check back later, we\u2019ll keep working on it!';\n  fetchButton.style.display = 'none';\n  fetchLoading.style.display = 'block';\n\n  const response = await fetch(`/fetch${window.location.pathname}`, { method: 'POST' });\n  if (response.ok) {\n    window.location.reload();\n    return;\n  }\n  const responseText = await response.text();\n  fetchLoading.style.display = 'none';\n  fetchMessageSecondary.textContent = '';\n  const responseTextParsedDOM = new DOMParser().parseFromString(responseText, 'text/html');\n  fetchMessageEl.innerText = responseTextParsedDOM.documentElement.textContent ?? '';\n}\n\nexport {};\n"],
-  "mappings": "AAOA,IAAMA,EAAc,SAAS,cAAc,iBAAiB,EACxDA,GACFA,EAAY,iBAAiB,QAAS,GAAK,CACzC,EAAE,eAAe,EACjBC,EAAU,CACZ,CAAC,EAGH,eAAeA,GAAY,CACzB,IAAMC,EAAiB,SAAS,cAAkC,kBAAkB,EAC9EC,EAAwB,SAAS,cACrC,2BACF,EACMH,EAAc,SAAS,cAAiC,iBAAiB,EACzEI,EAAe,SAAS,cAA8B,kBAAkB,EAC9E,GAAI,EAAEF,GAAkBC,GAAyBH,GAAeI,GAC9D,OAEFF,EAAe,YAAc,YAAYA,EAAe,QAAQ,IAAI,GACpEC,EAAsB,YACpB,kFACFH,EAAY,MAAM,QAAU,OAC5BI,EAAa,MAAM,QAAU,QAE7B,IAAMC,EAAW,MAAM,MAAM,SAAS,OAAO,SAAS,QAAQ,GAAI,CAAE,OAAQ,MAAO,CAAC,EACpF,GAAIA,EAAS,GAAI,CACf,OAAO,SAAS,OAAO,EACvB,MACF,CACA,IAAMC,EAAe,MAAMD,EAAS,KAAK,EACzCD,EAAa,MAAM,QAAU,OAC7BD,EAAsB,YAAc,GACpC,IAAMI,EAAwB,IAAI,UAAU,EAAE,gBAAgBD,EAAc,WAAW,EACvFJ,EAAe,UAAYK,EAAsB,gBAAgB,aAAe,EAClF",
-  "names": ["fetchButton", "fetchPath", "fetchMessageEl", "fetchMessageSecondary", "fetchLoading", "response", "responseText", "responseTextParsedDOM"]
+  "mappings": "AAOA,IAAMA,EAAc,SAAS,cAAc,iBAAiB,EACxDA,GACFA,EAAY,iBAAiB,QAAS,GAAK,CACzC,EAAE,eAAe,EACjBC,EAAU,CACZ,CAAC,EAGH,eAAeA,GAAY,CAf3B,IAAAC,EAgBE,IAAMC,EAAiB,SAAS,cAAkC,kBAAkB,EAC9EC,EAAwB,SAAS,cACrC,2BACF,EACMJ,EAAc,SAAS,cAAiC,iBAAiB,EACzEK,EAAe,SAAS,cAA8B,kBAAkB,EAC9E,GAAI,EAAEF,GAAkBC,GAAyBJ,GAAeK,GAC9D,OAEFF,EAAe,YAAc,YAAYA,EAAe,QAAQ,OAChEC,EAAsB,YACpB,kFACFJ,EAAY,MAAM,QAAU,OAC5BK,EAAa,MAAM,QAAU,QAE7B,IAAMC,EAAW,MAAM,MAAM,SAAS,OAAO,SAAS,WAAY,CAAE,OAAQ,MAAO,CAAC,EACpF,GAAIA,EAAS,GAAI,CACf,OAAO,SAAS,OAAO,EACvB,OAEF,IAAMC,EAAe,MAAMD,EAAS,KAAK,EACzCD,EAAa,MAAM,QAAU,OAC7BD,EAAsB,YAAc,GACpC,IAAMI,EAAwB,IAAI,UAAU,EAAE,gBAAgBD,EAAc,WAAW,EACvFJ,EAAe,WAAYD,EAAAM,EAAsB,gBAAgB,cAAtC,KAAAN,EAAqD,EAClF",
+  "names": ["fetchButton", "fetchPath", "_a", "fetchMessageEl", "fetchMessageSecondary", "fetchLoading", "response", "responseText", "responseTextParsedDOM"]
 }
diff --git a/static/frontend/fetch/fetch.min.css.map b/static/frontend/fetch/fetch.min.css.map
index 83bdfd8..729058b 100644
--- a/static/frontend/fetch/fetch.min.css.map
+++ b/static/frontend/fetch/fetch.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["fetch.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Fetch-button {\n  align-self: center;\n}\n@keyframes blink {\n  0% {\n    opacity: 0.2;\n  }\n\n  20% {\n    opacity: 1;\n  }\n\n  100% {\n    opacity: 0.2;\n  }\n}\n\n.Fetch-dot {\n  animation-duration: 1.4s;\n  animation-fill-mode: both;\n  animation-iteration-count: infinite;\n  animation-name: blink;\n  background-color: var(--color-brand-primary);\n  border-radius: 50%;\n  display: inline-block;\n  height: 0.5rem;\n  width: 0.5rem;\n}\n\n.Fetch-loading {\n  display: none;\n  text-align: center;\n}\n\n.Fetch-loading:nth-child(2) {\n  animation-delay: 0.2s;\n}\n\n.Fetch-loading:nth-child(3) {\n  animation-delay: 0.4s;\n}\n\n.Fetch-message,\n.Fetch-messageSecondary {\n  text-align: center;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,aACC,WAAY,MACd,CACA,WAAW,MACT,GACE,QAAS,EACX,CAEA,IACE,QAAS,CACX,CAEA,GACE,QAAS,EACX,CACF,CAEA,CAAC,UACC,mBAAoB,KACpB,oBAAqB,KACrB,0BAA2B,SAC3B,eAAgB,MAChB,iBAAkB,IAAI,uBA5BxB,cA6BiB,IACf,QAAS,aACT,OAAQ,MACR,MAAO,KACT,CAEA,CAAC,cACC,QAAS,KACT,WAAY,MACd,CAEA,CALC,aAKa,cACZ,gBAAiB,GACnB,CAEA,CATC,aASa,cACZ,gBAAiB,GACnB,CAEA,CAAC,cACD,CAAC,uBACC,WAAY,MACd",
+  "mappings": ";;;;;AAMA,cACE,kBAEF,oBAEI,eAIA,aAIA,YAIJ,WACE,wBACA,yBACA,mCACA,qBACA,4CA5BF,kBA8BE,qBACA,aACA,YAGF,eACE,aACA,kBAGF,4BACE,oBAGF,4BACE,oBAGF,uCAEE",
   "names": []
 }
diff --git a/static/frontend/frontend.js b/static/frontend/frontend.js
index 85c10f9..4c4c6bc 100644
--- a/static/frontend/frontend.js
+++ b/static/frontend/frontend.js
@@ -1,4 +1,4 @@
-function q(){let n=document.querySelector(".js-header");document.querySelectorAll(".js-desktop-menu-hover").forEach(s=>{s.addEventListener("mouseenter",r=>{let i=r.target,t=document.querySelector(".forced-open");t&&t!==s&&(t.blur(),t.classList.remove("forced-open")),i.focus(),i.blur()});let c=r=>{let t=r.target?.classList.contains("forced-open"),a=r.currentTarget;t?(a.removeEventListener("blur",()=>a.classList.remove("forced-open")),a.classList.remove("forced-open"),a.classList.add("forced-closed"),a.blur(),a?.parentNode?.addEventListener("mouseout",()=>{a.classList.remove("forced-closed")})):(a.classList.remove("forced-closed"),a.classList.add("forced-open"),a.focus(),a.addEventListener("blur",()=>a.classList.remove("forced-open")),a?.parentNode?.removeEventListener("mouseout",()=>{a.classList.remove("forced-closed")}))};s.addEventListener("click",c)}),document.querySelectorAll(".Header-menuItem").forEach(s=>{s.addEventListener("keyup",c=>{let r=c;r.key==="Escape"&&r.target?.blur()})});let l=document.querySelectorAll(".js-headerMenuButton");l.forEach(s=>{s.addEventListener("click",c=>{c.preventDefault();let r=n?.classList.contains("is-active");r?h(n):y(n),s.setAttribute("aria-expanded",r?"true":"false")})}),document.querySelector(".js-scrim")?.addEventListener("click",s=>{s.preventDefault(),document.querySelectorAll(".go-NavigationDrawer-submenuItem.is-active").forEach(r=>h(r)),h(n),l.forEach(r=>{r.setAttribute("aria-expanded",n?.classList.contains("is-active")?"true":"false")})});let f=s=>{if(!s)return[];let c=Array.from(s.querySelectorAll(":scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a")||[]),r=s.querySelector(".go-NavigationDrawer-header > a");return r&&c.unshift(r),c},g=s=>{if(s)return s.classList.contains("go-NavigationDrawer-submenuItem")},h=s=>{if(!s)return;let c=f(s);s.classList.remove("is-active"),s.closest(".go-NavigationDrawer-listItem")?.querySelector(":scope > a")?.focus(),c?.forEach(i=>i?.setAttribute("tabindex","-1")),c&&c[0]&&(c[0].removeEventListener("keydown",p(s)),c[c.length-1].removeEventListener("keydown",v(s))),s===n&&l&&l[0]?.focus()},y=s=>{let c=f(s);s.classList.add("is-active"),c.forEach(r=>r.setAttribute("tabindex","0")),c[0].focus(),c[0].addEventListener("keydown",p(s)),c[c.length-1].addEventListener("keydown",v(s))},p=s=>c=>{c.key==="Tab"&&c.shiftKey&&(c.preventDefault(),h(s))},v=s=>c=>{c.key==="Tab"&&!c.shiftKey&&(c.preventDefault(),h(s))},T=s=>{let c=g(s),r=f(s);s.addEventListener("keyup",i=>{i.key==="Escape"&&h(s)}),r.forEach(i=>{let t=i.closest("li");if(t&&t.classList.contains("js-mobile-subnav-trigger")){let a=t.querySelector(".go-NavigationDrawer-submenuItem");i.addEventListener("click",()=>{y(a)})}}),c&&(h(s),s?.querySelector(".go-NavigationDrawer-header")?.addEventListener("click",i=>{i.preventDefault(),h(s)}))};document.querySelectorAll(".go-NavigationDrawer").forEach(s=>T(s)),h(n)}function N(){let n=document.querySelector(".js-searchForm"),e=document.querySelector(".js-expandSearch"),o=n?.querySelector("input"),l=document.querySelector(".js-headerLogo"),u=document.querySelector(".js-headerMenuButton");e?.addEventListener("click",()=>{n?.classList.add("go-SearchForm--expanded"),l?.classList.add("go-Header-logo--hidden"),u?.classList.add("go-Header-navOpen--hidden"),o?.focus()}),document?.addEventListener("click",f=>{n?.contains(f.target)||(n?.classList.remove("go-SearchForm--expanded"),l?.classList.remove("go-Header-logo--hidden"),u?.classList.remove("go-Header-navOpen--hidden"))})}var S=class{constructor(e){this.el=e;this.setActive=e=>{this.activeIndex=(e+this.slides.length)%this.slides.length,this.el.setAttribute("data-slide-index",String(this.activeIndex));for(let o of this.dots)o.classList.remove("go-Carousel-dot--active");this.dots[this.activeIndex].classList.add("go-Carousel-dot--active");for(let o of this.slides)o.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number(e.getAttribute("data-slide-index")??0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,o]of this.slides.entries())e!==this.activeIndex&&o.setAttribute("aria-hidden","true")}initArrows(){let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
+function P(){let t=document.querySelector(".js-header");document.querySelectorAll(".js-desktop-menu-hover").forEach(a=>{a.addEventListener("mouseenter",c=>{let l=c.target,s=document.querySelector(".forced-open");s&&s!==a&&(s.blur(),s.classList.remove("forced-open")),l.classList.remove("forced-closed"),l.classList.add("forced-open")});let u=c=>{var f,p;let l=c.target,s=l==null?void 0:l.classList.contains("forced-open"),o=c.currentTarget;s?(o.removeEventListener("blur",()=>o.classList.remove("forced-open")),o.classList.remove("forced-open"),o.classList.add("forced-closed"),o.blur(),(f=o==null?void 0:o.parentNode)==null||f.addEventListener("mouseout",()=>{o.classList.remove("forced-closed")})):(o.classList.remove("forced-closed"),o.classList.add("forced-open"),o.focus(),o.addEventListener("blur",()=>o.classList.remove("forced-open")),(p=o==null?void 0:o.parentNode)==null||p.removeEventListener("mouseout",()=>{o.classList.remove("forced-closed")})),o.focus()};a.addEventListener("click",u),a.addEventListener("focus",c=>{let l=c.target;l.classList.add("forced-closed"),l.classList.remove("forced-open")});let d=c=>{let l=c,s=c.target;if(l.key==="Escape"){let o=document.querySelector(".forced-open");o&&(o.classList.remove("forced-open"),o.blur(),o.classList.add("forced-closed"),s==null||s.focus())}};document.addEventListener("keydown",d)});let n=document.querySelectorAll(".js-headerMenuButton");n.forEach(a=>{a.addEventListener("click",u=>{u.preventDefault();let d=t==null?void 0:t.classList.contains("is-active");d?v(t):w(t),a.setAttribute("aria-expanded",d?"true":"false")})});let i=document.querySelector(".js-scrim");i==null||i.addEventListener("click",a=>{a.preventDefault(),document.querySelectorAll(".go-NavigationDrawer-submenuItem.is-active").forEach(d=>v(d)),v(t),n.forEach(d=>{d.setAttribute("aria-expanded",t!=null&&t.classList.contains("is-active")?"true":"false")})});let r=a=>{if(!a)return[];let u=Array.from(a.querySelectorAll(":scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a")||[]),d=a.querySelector(".go-NavigationDrawer-header > a");return d&&u.unshift(d),u},h=a=>{if(a)return a.classList.contains("go-NavigationDrawer-submenuItem")},v=a=>{var c,l;if(!a)return;let u=r(a);a.classList.remove("is-active");let d=(c=a.closest(".go-NavigationDrawer-listItem"))==null?void 0:c.querySelector(":scope > a");d==null||d.focus(),u==null||u.forEach(s=>s==null?void 0:s.setAttribute("tabindex","-1")),u&&u[0]&&(u[0].removeEventListener("keydown",M(a)),u[u.length-1].removeEventListener("keydown",L(a))),a===t&&n&&((l=n[0])==null||l.focus())},w=a=>{let u=r(a);a.classList.add("is-active"),u.forEach(d=>d.setAttribute("tabindex","0")),u[0].focus(),u[0].addEventListener("keydown",M(a)),u[u.length-1].addEventListener("keydown",L(a))},M=a=>u=>{u.key==="Tab"&&u.shiftKey&&(u.preventDefault(),v(a))},L=a=>u=>{u.key==="Tab"&&!u.shiftKey&&(u.preventDefault(),v(a))},b=a=>{var c;let u=h(a),d=r(a);a.addEventListener("keyup",l=>{l.key==="Escape"&&v(a)}),d.forEach(l=>{let s=l.closest("li");if(s&&s.classList.contains("js-mobile-subnav-trigger")){let o=s.querySelector(".go-NavigationDrawer-submenuItem");l.addEventListener("click",()=>{w(o)})}}),u&&(v(a),(c=a==null?void 0:a.querySelector(".go-NavigationDrawer-header"))==null||c.addEventListener("click",l=>{l.preventDefault(),v(a)}))};document.querySelectorAll(".go-NavigationDrawer").forEach(a=>b(a)),v(t)}function U(){let t=document.querySelector(".js-searchForm"),e=document.querySelector(".js-expandSearch"),n=t==null?void 0:t.querySelector("input"),i=document.querySelector(".js-headerLogo"),r=document.querySelector(".js-headerMenuButton");e==null||e.addEventListener("click",()=>{t==null||t.classList.add("go-SearchForm--expanded"),i==null||i.classList.add("go-Header-logo--hidden"),r==null||r.classList.add("go-Header-navOpen--hidden"),n==null||n.focus()}),document==null||document.addEventListener("click",h=>{t!=null&&t.contains(h.target)||(t==null||t.classList.remove("go-SearchForm--expanded"),i==null||i.classList.remove("go-Header-logo--hidden"),r==null||r.classList.remove("go-Header-navOpen--hidden"))})}var k=class{constructor(e){this.el=e;this.setActive=e=>{this.activeIndex=(e+this.slides.length)%this.slides.length,this.el.setAttribute("data-slide-index",String(this.activeIndex));for(let n of this.dots)n.classList.remove("go-Carousel-dot--active");this.dots[this.activeIndex].classList.add("go-Carousel-dot--active");for(let n of this.slides)n.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};var n;this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number((n=e.getAttribute("data-slide-index"))!=null?n:0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,n]of this.slides.entries())e!==this.activeIndex&&n.setAttribute("aria-hidden","true")}initArrows(){var n,i;let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
       <li>
         <button class="go-Carousel-prevSlide" aria-label="Go to previous slide">
           <img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_left_gm_grey_24dp.svg" alt="">
@@ -9,7 +9,7 @@
           <img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_right_gm_grey_24dp.svg" alt="">
         </button>
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document.querySelectorAll(".js-toggleTheme"))e.addEventListener("click",()=>{Y()});(t=document.querySelector(".js-gtmID"))!=null&&t.dataset.gtmid&&window.dataLayer?W(function(){B()}):B(),P(),U(),$(),G(),Z()});H.on("/","focus search",t=>{let e=Array.from(document.querySelectorAll(".js-searchFocus")).pop();e&&!window.navigator.userAgent.includes("Firefox")&&(t.preventDefault(),e.focus())});H.on("y","set canonical url",()=>{var e;let t=(e=document.querySelector(".js-canonicalURLPath"))==null?void 0:e.dataset.canonicalUrlPath;if(t&&t!==""){let n=window.location.hash;n&&(t+=n),window.history.replaceState(null,"",t)}});(function(){I({"gtm.start":new Date().getTime(),event:"gtm.js"})})();function B(){let t=new URLSearchParams(window.location.search),e=t.get("utm_source");if(e!=="gopls"&&e!=="godoc"&&e!=="pkggodev")return;let n=new URL(window.location.href);t.delete("utm_source"),n.search=t.toString(),window.history.replaceState(null,"",n.toString())}function Y(){let t="dark",e=document.documentElement.getAttribute("data-theme");e==="dark"?t="light":e==="light"&&(t="auto");let n="";location.hostname.endsWith("go.dev")&&(n="domain=.go.dev;"),document.documentElement.setAttribute("data-theme",t),document.cookie=`prefers-color-scheme=${t};${n}path=/;max-age=31536000;`}function Z(){if(!document.cookie.match(/cookie-consent=true/)){let e=document.querySelector(".js-cookieNotice"),n=e==null?void 0:e.querySelector("button");e==null||e.classList.add("Cookie-notice--visible"),n==null||n.addEventListener("click",()=>{let i="";location.hostname.endsWith("go.dev")&&(i="domain=.go.dev;"),document.cookie=`cookie-consent=true;${i}path=/;max-age=31536000`,e==null||e.remove()})}}
 /**
  * @license
  * Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/frontend.js.map b/static/frontend/frontend.js.map
index cb08d2c..a2c3058 100644
--- a/static/frontend/frontend.js.map
+++ b/static/frontend/frontend.js.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
   "sources": ["../shared/header/header.ts", "../shared/carousel/carousel.ts", "../shared/clipboard/clipboard.ts", "../shared/tooltip/tooltip.ts", "../shared/outline/select.ts", "../shared/modal/modal.ts", "../shared/analytics/analytics.ts", "../shared/keyboard/keyboard.ts", "../shared/jump/jump.ts", "about/index.ts", "frontend.ts"],
-  "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nexport function registerHeaderListeners(): void {\n  const header = document.querySelector('.js-header') as HTMLElement;\n\n  // Desktop menu hover state\n  const menuItemHovers = document.querySelectorAll('.js-desktop-menu-hover');\n  menuItemHovers.forEach(menuItemHover => {\n    // when user clicks on the dropdown menu item on desktop or mobile,\n    // force the menu to stay open until the user clicks off of it.\n    menuItemHover.addEventListener('mouseenter', e => {\n      const target = e.target as HTMLElement;\n      const forced = document.querySelector('.forced-open') as HTMLElement;\n      if (forced && forced !== menuItemHover) {\n        forced.blur();\n        forced.classList.remove('forced-open');\n      }\n      // prevents menus that have been tabbed into from staying open\n      // when you hover over another menu\n      target.focus();\n      target.blur();\n    });\n\n    const toggleForcedOpen = (e: Event) => {\n      const target = e.target as HTMLElement;\n      const isForced = target?.classList.contains('forced-open');\n      const currentTarget = e.currentTarget as HTMLElement;\n      if (isForced) {\n        currentTarget.removeEventListener('blur', () =>\n          currentTarget.classList.remove('forced-open')\n        );\n        currentTarget.classList.remove('forced-open');\n        currentTarget.classList.add('forced-closed');\n        currentTarget.blur();\n        currentTarget?.parentNode?.addEventListener('mouseout', () => {\n          currentTarget.classList.remove('forced-closed');\n        });\n      } else {\n        currentTarget.classList.remove('forced-closed');\n        currentTarget.classList.add('forced-open');\n        currentTarget.focus();\n        currentTarget.addEventListener('blur', () => currentTarget.classList.remove('forced-open'));\n        currentTarget?.parentNode?.removeEventListener('mouseout', () => {\n          currentTarget.classList.remove('forced-closed');\n        });\n      }\n    };\n    menuItemHover.addEventListener('click', toggleForcedOpen);\n  });\n\n  // ensure desktop submenus are closed when esc is pressed\n  const headerItems = document.querySelectorAll('.Header-menuItem');\n  headerItems.forEach(header => {\n    header.addEventListener('keyup', e => {\n      const event = e as KeyboardEvent;\n      if (event.key === 'Escape') {\n        (event.target as HTMLElement)?.blur();\n      }\n    });\n  });\n\n  // Mobile menu subnav menus\n  const headerbuttons = document.querySelectorAll('.js-headerMenuButton');\n  headerbuttons.forEach(button => {\n    button.addEventListener('click', e => {\n      e.preventDefault();\n      const isActive = header?.classList.contains('is-active');\n      if (isActive) {\n        handleNavigationDrawerInactive(header);\n      } else {\n        handleNavigationDrawerActive(header);\n      }\n      button.setAttribute('aria-expanded', isActive ? 'true' : 'false');\n    });\n  });\n\n  const scrim = document.querySelector('.js-scrim');\n  scrim?.addEventListener('click', e => {\n    e.preventDefault();\n\n    // find any active submenus and close them\n    const activeSubnavs = document.querySelectorAll('.go-NavigationDrawer-submenuItem.is-active');\n    activeSubnavs.forEach(subnav => handleNavigationDrawerInactive(subnav as HTMLElement));\n\n    handleNavigationDrawerInactive(header);\n\n    headerbuttons.forEach(button => {\n      button.setAttribute(\n        'aria-expanded',\n        header?.classList.contains('is-active') ? 'true' : 'false'\n      );\n    });\n  });\n\n  const getNavigationDrawerMenuItems = (navigationDrawer: HTMLElement): HTMLElement[] => {\n    if (!navigationDrawer) {\n      return [];\n    }\n\n    const menuItems = Array.from(\n      navigationDrawer.querySelectorAll(\n        ':scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a'\n      ) || []\n    );\n\n    const anchorEl = navigationDrawer.querySelector('.go-NavigationDrawer-header > a');\n    if (anchorEl) {\n      menuItems.unshift(anchorEl);\n    }\n    return menuItems as HTMLElement[];\n  };\n\n  const getNavigationDrawerIsSubnav = (navigationDrawer: HTMLElement) => {\n    if (!navigationDrawer) {\n      return;\n    }\n    return navigationDrawer.classList.contains('go-NavigationDrawer-submenuItem');\n  };\n\n  const handleNavigationDrawerInactive = (navigationDrawer: HTMLElement) => {\n    if (!navigationDrawer) {\n      return;\n    }\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n    navigationDrawer.classList.remove('is-active');\n    const parentMenuItem = navigationDrawer\n      .closest('.go-NavigationDrawer-listItem')\n      ?.querySelector(':scope > a') as HTMLElement;\n    parentMenuItem?.focus();\n    menuItems?.forEach(item => item?.setAttribute('tabindex', '-1'));\n    if (menuItems && menuItems[0]) {\n      menuItems[0].removeEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n      menuItems[menuItems.length - 1].removeEventListener(\n        'keydown',\n        handleMenuItemTabRightFactory(navigationDrawer)\n      );\n    }\n\n    if (navigationDrawer === header) {\n      headerbuttons && (headerbuttons[0] as HTMLElement)?.focus();\n    }\n  };\n\n  const handleNavigationDrawerActive = (navigationDrawer: HTMLElement) => {\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n\n    navigationDrawer.classList.add('is-active');\n    menuItems.forEach(item => item.setAttribute('tabindex', '0'));\n    menuItems[0].focus();\n\n    menuItems[0].addEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n    menuItems[menuItems.length - 1].addEventListener(\n      'keydown',\n      handleMenuItemTabRightFactory(navigationDrawer)\n    );\n  };\n\n  const handleMenuItemTabLeftFactory = (navigationDrawer: HTMLElement) => {\n    return (e: KeyboardEvent) => {\n      if (e.key === 'Tab' && e.shiftKey) {\n        e.preventDefault();\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    };\n  };\n\n  const handleMenuItemTabRightFactory = (navigationDrawer: HTMLElement) => {\n    return (e: KeyboardEvent) => {\n      if (e.key === 'Tab' && !e.shiftKey) {\n        e.preventDefault();\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    };\n  };\n\n  const prepMobileNavigationDrawer = (navigationDrawer: HTMLElement) => {\n    const isSubnav = getNavigationDrawerIsSubnav(navigationDrawer);\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n    navigationDrawer.addEventListener('keyup', e => {\n      if (e.key === 'Escape') {\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    });\n\n    menuItems.forEach(item => {\n      const parentLi = item.closest('li');\n      if (parentLi && parentLi.classList.contains('js-mobile-subnav-trigger')) {\n        const submenu = parentLi.querySelector('.go-NavigationDrawer-submenuItem') as HTMLElement;\n        item.addEventListener('click', () => {\n          handleNavigationDrawerActive(submenu);\n        });\n      }\n    });\n    if (isSubnav) {\n      handleNavigationDrawerInactive(navigationDrawer);\n      navigationDrawer\n        ?.querySelector('.go-NavigationDrawer-header')\n        ?.addEventListener('click', e => {\n          e.preventDefault();\n          handleNavigationDrawerInactive(navigationDrawer);\n        });\n    }\n  };\n\n  document\n    .querySelectorAll('.go-NavigationDrawer')\n    .forEach(drawer => prepMobileNavigationDrawer(drawer as HTMLElement));\n\n  handleNavigationDrawerInactive(header);\n}\n\nexport function registerSearchFormListeners(): void {\n  const searchForm = document.querySelector('.js-searchForm');\n  const expandSearch = document.querySelector('.js-expandSearch');\n  const input = searchForm?.querySelector('input');\n  const headerLogo = document.querySelector('.js-headerLogo');\n  const menuButton = document.querySelector('.js-headerMenuButton');\n  expandSearch?.addEventListener('click', () => {\n    searchForm?.classList.add('go-SearchForm--expanded');\n    headerLogo?.classList.add('go-Header-logo--hidden');\n    menuButton?.classList.add('go-Header-navOpen--hidden');\n    input?.focus();\n  });\n  document?.addEventListener('click', e => {\n    if (!searchForm?.contains(e.target as Node)) {\n      searchForm?.classList.remove('go-SearchForm--expanded');\n      headerLogo?.classList.remove('go-Header-logo--hidden');\n      menuButton?.classList.remove('go-Header-navOpen--hidden');\n    }\n  });\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Carousel Controller adds event listeners, accessibility enhancements, and\n * control elements to a carousel component.\n */\nexport class CarouselController {\n  /**\n   * slides is a collection of slides in the carousel.\n   */\n  private slides: HTMLLIElement[];\n  /**\n   * dots is a collection of dot navigation controls, added to the carousel\n   * by this controller.\n   */\n  private dots: HTMLElement[];\n  /**\n   * liveRegion is a visually hidden element that notifies assitive devices\n   * of visual changes to the carousel. They are added to the carousel by\n   * this controller.\n   */\n  private liveRegion: HTMLElement;\n  /**\n   * activeIndex is the 0-index of the currently active slide.\n   */\n  private activeIndex: number;\n\n  constructor(private el: HTMLElement) {\n    this.slides = Array.from(el.querySelectorAll('.go-Carousel-slide'));\n    this.dots = [];\n    this.liveRegion = document.createElement('div');\n    this.activeIndex = Number(el.getAttribute('data-slide-index') ?? 0);\n\n    this.initSlides();\n    this.initArrows();\n    this.initDots();\n    this.initLiveRegion();\n  }\n\n  private initSlides() {\n    for (const [i, v] of this.slides.entries()) {\n      if (i === this.activeIndex) continue;\n      v.setAttribute('aria-hidden', 'true');\n    }\n  }\n\n  private initArrows() {\n    const arrows = document.createElement('ul');\n    arrows.classList.add('go-Carousel-arrows');\n    arrows.innerHTML = `\n      <li>\n        <button class=\"go-Carousel-prevSlide\" aria-label=\"Go to previous slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_left_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n      <li>\n        <button class=\"go-Carousel-nextSlide\" aria-label=\"Go to next slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_right_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n    `;\n    arrows\n      .querySelector('.go-Carousel-prevSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex - 1));\n    arrows\n      .querySelector('.go-Carousel-nextSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex + 1));\n    this.el.append(arrows);\n  }\n\n  private initDots() {\n    const dots = document.createElement('ul');\n    dots.classList.add('go-Carousel-dots');\n    for (let i = 0; i < this.slides.length; i++) {\n      const li = document.createElement('li');\n      const button = document.createElement('button');\n      button.classList.add('go-Carousel-dot');\n      if (i === this.activeIndex) {\n        button.classList.add('go-Carousel-dot--active');\n      }\n      button.innerHTML = `<span class=\"go-Carousel-obscured\">Slide ${i + 1}</span>`;\n      button.addEventListener('click', () => this.setActive(i));\n      li.append(button);\n      dots.append(li);\n      this.dots.push(button);\n    }\n    this.el.append(dots);\n  }\n\n  private initLiveRegion() {\n    this.liveRegion.setAttribute('aria-live', 'polite');\n    this.liveRegion.setAttribute('aria-atomic', 'true');\n    this.liveRegion.setAttribute('class', 'go-Carousel-obscured');\n    this.liveRegion.textContent = `Slide ${this.activeIndex + 1} of ${this.slides.length}`;\n    this.el.appendChild(this.liveRegion);\n  }\n\n  private setActive = (index: number) => {\n    this.activeIndex = (index + this.slides.length) % this.slides.length;\n    this.el.setAttribute('data-slide-index', String(this.activeIndex));\n    for (const d of this.dots) {\n      d.classList.remove('go-Carousel-dot--active');\n    }\n    this.dots[this.activeIndex].classList.add('go-Carousel-dot--active');\n    for (const s of this.slides) {\n      s.setAttribute('aria-hidden', 'true');\n    }\n    this.slides[this.activeIndex].removeAttribute('aria-hidden');\n    this.liveRegion.textContent = 'Slide ' + (this.activeIndex + 1) + ' of ' + this.slides.length;\n  };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * This class decorates an element to copy arbitrary data attached via a data-\n * attribute to the clipboard.\n */\nexport class ClipboardController {\n  /**\n   * The data to be copied to the clipboard.\n   */\n  private data: string;\n\n  /**\n   * @param el The element that will trigger copying text to the clipboard. The text is\n   * expected to be within its data-to-copy attribute.\n   */\n  constructor(private el: HTMLButtonElement) {\n    this.data = el.dataset['toCopy'] ?? el.innerText;\n    // if data-to-copy is empty and the button is part of an input group\n    // capture the value of the input.\n    if (!this.data && el.parentElement?.classList.contains('go-InputGroup')) {\n      this.data = (this.data || el.parentElement?.querySelector('input')?.value) ?? '';\n    }\n    el.addEventListener('click', e => this.handleCopyClick(e));\n  }\n\n  /**\n   * Handles when the primary element is clicked.\n   */\n  handleCopyClick(e: MouseEvent): void {\n    e.preventDefault();\n    const TOOLTIP_SHOW_DURATION_MS = 1000;\n\n    // This API is not available on iOS.\n    if (!navigator.clipboard) {\n      this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n      return;\n    }\n    navigator.clipboard\n      .writeText(this.data)\n      .then(() => {\n        this.showTooltipText('Copied!', TOOLTIP_SHOW_DURATION_MS);\n      })\n      .catch(() => {\n        this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n      });\n  }\n\n  /**\n   * Shows the given text in a tooltip for a specified amount of time, in milliseconds.\n   */\n  showTooltipText(text: string, durationMs: number): void {\n    this.el.setAttribute('data-tooltip', text);\n    setTimeout(() => this.el.setAttribute('data-tooltip', ''), durationMs);\n  }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * ToolTipController handles closing tooltips on external clicks.\n */\nexport class ToolTipController {\n  constructor(private el: HTMLDetailsElement) {\n    document.addEventListener('click', e => {\n      const insideTooltip = this.el.contains(e.target as Element);\n      if (!insideTooltip) {\n        this.el.removeAttribute('open');\n      }\n    });\n  }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n  constructor(private el: Element) {\n    this.el.addEventListener('change', e => {\n      const target = e.target as HTMLSelectElement;\n      let href = target.value;\n      if (!target.value.startsWith('/')) {\n        href = '/' + href;\n      }\n      window.location.href = href;\n    });\n  }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n  const label = document.createElement('label');\n  label.classList.add('go-Label');\n  label.setAttribute('aria-label', 'Menu');\n  const select = document.createElement('select');\n  select.classList.add('go-Select', 'js-selectNav');\n  label.appendChild(select);\n  const outline = document.createElement('optgroup');\n  outline.label = 'Outline';\n  select.appendChild(outline);\n  const groupMap: Record<string, HTMLOptGroupElement> = {};\n  let group: HTMLOptGroupElement;\n  for (const t of tree.treeitems) {\n    if (Number(t.depth) > 4) continue;\n    if (t.groupTreeitem) {\n      group = groupMap[t.groupTreeitem.label];\n      if (!group) {\n        group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n        group.label = t.groupTreeitem.label;\n        select.appendChild(group);\n      }\n    } else {\n      group = outline;\n    }\n    const o = document.createElement('option');\n    o.label = t.label;\n    o.textContent = t.label;\n    o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n    group.appendChild(o);\n  }\n  tree.addObserver(t => {\n    const hash = (t.el as HTMLAnchorElement).hash;\n    const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n    if (value) {\n      select.value = value;\n    }\n  }, 50);\n  return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\ninterface Window {\n  dialogPolyfill?: {\n    registerDialog: (el: HTMLDialogElement) => void;\n  };\n}\n\ndeclare const window: Window;\n\n/**\n * ModalController registers a dialog element with the polyfill if\n * necessary for the current browser, add adds event listeners to\n * close and open modals.\n */\nexport class ModalController {\n  constructor(private el: HTMLDialogElement) {\n    if (window.dialogPolyfill) {\n      window.dialogPolyfill.registerDialog(el);\n    }\n    this.init();\n  }\n\n  init() {\n    const button = document.querySelector<HTMLButtonElement>(`[aria-controls=\"${this.el.id}\"]`);\n    if (button) {\n      button.addEventListener('click', () => {\n        if (this.el.showModal) {\n          this.el.showModal();\n        } else {\n          this.el.setAttribute('opened', 'true');\n        }\n        this.el.querySelector('input')?.focus();\n      });\n    }\n    for (const btn of this.el.querySelectorAll<HTMLButtonElement>('[data-modal-close]')) {\n      btn.addEventListener('click', () => {\n        if (this.el.close) {\n          this.el.close();\n        } else {\n          this.el.removeAttribute('opened');\n        }\n      });\n    }\n  }\n}\n", "interface TagManagerEvent {\n  /**\n   * event is the name of the event, used to filter events in\n   * Google Analytics.\n   */\n  event: string;\n\n  /**\n   * event_category is a name that you supply as a way to group objects\n   * that to analyze. Typically, you will use the same category name\n   * multiple times over related UI elements (buttons, links, etc).\n   */\n  event_category?: string;\n\n  /**\n   * event_action is used to name the type of event or interaction you\n   * want to measure for a particular web object. For example, with a\n   * single \"form\" category, you can analyze a number of specific events\n   * with this parameter, such as: form entered, form submitted.\n   */\n  event_action?: string;\n\n  /**\n   * event_label provide additional information for events that you want\n   * to analyze, such as the text label of a link.\n   */\n  event_label?: string;\n\n  /**\n   * gtm.start is used to initialize Google Tag Manager.\n   */\n  'gtm.start'?: number;\n}\n\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\ndeclare global {\n  interface Window {\n    dataLayer?: (TagManagerEvent | VoidFunction)[];\n    ga?: unknown;\n  }\n}\n\n/**\n * track sends events to Google Tag Manager.\n */\nexport function track(\n  event: string | TagManagerEvent,\n  category?: string,\n  action?: string,\n  label?: string\n): void {\n  window.dataLayer ??= [];\n  if (typeof event === 'string') {\n    window.dataLayer.push({\n      event,\n      event_category: category,\n      event_action: action,\n      event_label: label,\n    });\n  } else {\n    window.dataLayer.push(event);\n  }\n}\n\n/**\n * func adds functions to run sequentionally after\n * Google Tag Manager is ready.\n */\nexport function func(fn: () => void): void {\n  window.dataLayer ??= [];\n  window.dataLayer.push(fn);\n}\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { track } from '../analytics/analytics';\n\n/**\n * Options are keyhandler callback options.\n */\ninterface Options {\n  /**\n   * target is the element the key event should filter on. The\n   * default target is the document.\n   */\n  target?: Element;\n\n  /**\n   * withMeta specifies if the event callback should fire when\n   * the key is pressed with a meta key (ctrl, alt, etc). By\n   * default meta keypresses are ignored.\n   */\n  withMeta?: boolean;\n}\n\n/**\n * KeyHandler is the config for a keyboard event callback.\n */\ninterface KeyHandler extends Options {\n  description: string;\n  callback: (e: KeyboardEvent) => void;\n}\n\n/**\n * KeyboardController controls event callbacks for sitewide\n * keyboard events. Multiple callbacks can be registered for\n * a single key and by default the controller ignores events\n * for text input targets.\n */\nclass KeyboardController {\n  handlers: Record<string, Set<KeyHandler>>;\n\n  constructor() {\n    this.handlers = {};\n    document.addEventListener('keydown', e => this.handleKeyPress(e));\n  }\n\n  /**\n   * on registers keyboard event callbacks.\n   * @param key the key to register.\n   * @param description name of the event.\n   * @param callback event callback.\n   * @param options set target and withMeta options to override the default behaviors.\n   */\n  on(key: string, description: string, callback: (e: KeyboardEvent) => void, options?: Options) {\n    this.handlers[key] ??= new Set();\n    this.handlers[key].add({ description, callback, ...options });\n    return this;\n  }\n\n  private handleKeyPress(e: KeyboardEvent) {\n    for (const handler of this.handlers[e.key.toLowerCase()] ?? new Set()) {\n      if (handler.target && handler.target !== e.target) {\n        return;\n      }\n      const t = e.target as HTMLElement | null;\n      if (\n        !handler.target &&\n        (t?.tagName === 'INPUT' || t?.tagName === 'SELECT' || t?.tagName === 'TEXTAREA')\n      ) {\n        return;\n      }\n      if (t?.isContentEditable) {\n        return;\n      }\n      if (\n        (handler.withMeta && !(e.ctrlKey || e.metaKey)) ||\n        (!handler.withMeta && (e.ctrlKey || e.metaKey))\n      ) {\n        return;\n      }\n      track('keypress', 'hotkeys', `${e.key} pressed`, handler.description);\n      handler.callback(e);\n    }\n  }\n}\n\nexport const keyboard = new KeyboardController();\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n// This file implements the behavior of the \"jump to symbol\" dialog for Go\n// package documentation, as well as the simple dialog that displays keyboard\n// shortcuts.\n\n// The DOM for the dialogs is at the bottom of static/frontend/unit/main/_modals.tmpl.\n// The CSS is in static/frontend/unit/main/_modals.css.\n\n// The dialog is activated by pressing the 'f' key. It presents a list\n// (#JumpDialog-list) of all Go symbols displayed in the documentation.\n// Entering text in the dialog's text box (#JumpDialog-filter) restricts the\n// list to symbols containing the text. Clicking on an symbol jumps to\n// its documentation.\n\n// This code is based on\n// https://go.googlesource.com/gddo/+/refs/heads/master/gddo-server/assets/site.js.\n// It was modified to remove the dependence on jquery and bootstrap.\n\nimport { keyboard } from '../keyboard/keyboard';\n\nexport function initModals(): void {\n  const jumpDialog = document.querySelector<HTMLDialogElement>('.JumpDialog');\n  const jumpBody = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-body');\n  const jumpList = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-list');\n  const jumpFilter = jumpDialog?.querySelector<HTMLInputElement>('.JumpDialog-input');\n  const doc = document.querySelector<HTMLDivElement>('.js-documentation');\n\n  interface JumpListItem {\n    link: HTMLAnchorElement;\n    name: string;\n    kind: string;\n    lower: string;\n  }\n\n  let jumpListItems: JumpListItem[] | undefined; // All the symbols in the doc; computed only once.\n\n  // collectJumpListItems returns a list of items, one for each symbol in the\n  // documentation on the current page.\n  //\n  // It uses the data-kind attribute generated in the documentation HTML to find\n  // the symbols and their id attributes.\n  //\n  // If there are no data-kind attributes, then we have older doc; fall back to\n  // a less precise method.\n  function collectJumpListItems() {\n    const items = [];\n    if (!doc) return;\n    for (const el of doc.querySelectorAll('[data-kind]')) {\n      items.push(newJumpListItem(el));\n    }\n\n    // Clicking on any of the links closes the dialog.\n    for (const item of items) {\n      item.link.addEventListener('click', function () {\n        jumpDialog?.close();\n      });\n    }\n    // Sort case-insensitively by symbol name.\n    items.sort(function (a, b) {\n      return a.lower.localeCompare(b.lower);\n    });\n    return items;\n  }\n\n  // newJumpListItem creates a new item for the DOM element el.\n  // An item is an object with:\n  // - name: the element's id (which is the symbol name)\n  // - kind: the element's kind (function, variable, etc.),\n  // - link: a link ('a' tag) to the element\n  // - lower: the name in lower case, just for sorting\n  function newJumpListItem(el: Element): JumpListItem {\n    const a = document.createElement('a');\n    const name = el.getAttribute('id');\n    a.setAttribute('href', '#' + name);\n    a.setAttribute('tabindex', '-1');\n    a.setAttribute('data-gtmc', 'jump to link');\n    const kind = el.getAttribute('data-kind');\n    return {\n      link: a,\n      name: name ?? '',\n      kind: kind ?? '',\n      lower: name?.toLowerCase() ?? '', // for sorting\n    };\n  }\n\n  let lastFilterValue: string; // The last contents of the filter text box.\n  let activeJumpItem = -1; // The index of the currently active item in the list.\n\n  // updateJumpList sets the elements of the dialog list to\n  // everything whose name contains filter.\n  function updateJumpList(filter: string) {\n    lastFilterValue = filter;\n    if (!jumpListItems) {\n      jumpListItems = collectJumpListItems();\n    }\n    setActiveJumpItem(-1);\n\n    // Remove all children from list.\n    while (jumpList?.firstChild) {\n      jumpList.firstChild.remove();\n    }\n\n    if (filter) {\n      // A filter is set. We treat the filter as a substring that can appear in\n      // an item name (case insensitive), and find the following matches - in\n      // order of priority:\n      //\n      // 1. Exact matches (the filter matches the item's name exactly)\n      // 2. Prefix matches (the item's name starts with filter)\n      // 3. Infix matches (the filter is a substring of the item's name)\n      const filterLowerCase = filter.toLowerCase();\n\n      const exactMatches = [];\n      const prefixMatches = [];\n      const infixMatches = [];\n\n      // makeLinkHtml creates the link name HTML for a list item. item is the DOM\n      // item. item.name.substr(boldStart, boldEnd) will be bolded.\n      const makeLinkHtml = (item: JumpListItem, boldStart: number, boldEnd: number) => {\n        return (\n          item.name.substring(0, boldStart) +\n          '<b>' +\n          item.name.substring(boldStart, boldEnd) +\n          '</b>' +\n          item.name.substring(boldEnd)\n        );\n      };\n\n      for (const item of jumpListItems ?? []) {\n        const nameLowerCase = item.name.toLowerCase();\n\n        if (nameLowerCase === filterLowerCase) {\n          item.link.innerHTML = makeLinkHtml(item, 0, item.name.length);\n          exactMatches.push(item);\n        } else if (nameLowerCase.startsWith(filterLowerCase)) {\n          item.link.innerHTML = makeLinkHtml(item, 0, filter.length);\n          prefixMatches.push(item);\n        } else {\n          const index = nameLowerCase.indexOf(filterLowerCase);\n          if (index > -1) {\n            item.link.innerHTML = makeLinkHtml(item, index, index + filter.length);\n            infixMatches.push(item);\n          }\n        }\n      }\n\n      for (const item of exactMatches.concat(prefixMatches).concat(infixMatches)) {\n        jumpList?.appendChild(item.link);\n      }\n    } else {\n      if (!jumpListItems || jumpListItems.length === 0) {\n        const msg = document.createElement('i');\n        msg.innerHTML = 'There are no symbols on this page.';\n        jumpList?.appendChild(msg);\n      }\n      // No filter set; display all items in their existing order.\n      for (const item of jumpListItems ?? []) {\n        item.link.innerHTML = item.name + ' <i>' + item.kind + '</i>';\n        jumpList?.appendChild(item.link);\n      }\n    }\n\n    if (jumpBody) {\n      jumpBody.scrollTop = 0;\n    }\n    if (jumpListItems?.length && jumpList && jumpList.children.length > 0) {\n      setActiveJumpItem(0);\n    }\n  }\n\n  // Set the active jump item to n.\n  function setActiveJumpItem(n: number) {\n    const cs = jumpList?.children as HTMLCollectionOf<HTMLElement> | null | undefined;\n    if (!cs || !jumpBody) {\n      return;\n    }\n    if (activeJumpItem >= 0) {\n      cs[activeJumpItem].classList.remove('JumpDialog-active');\n    }\n    if (n >= cs.length) {\n      n = cs.length - 1;\n    }\n    if (n >= 0) {\n      cs[n].classList.add('JumpDialog-active');\n\n      // Scroll so the active item is visible.\n      // For some reason cs[n].scrollIntoView() doesn't behave as I'd expect:\n      // it moves the entire dialog box in the viewport.\n\n      // Get the top and bottom of the active item relative to jumpBody.\n      const activeTop = cs[n].offsetTop - cs[0].offsetTop;\n      const activeBottom = activeTop + cs[n].clientHeight;\n      if (activeTop < jumpBody.scrollTop) {\n        // Off the top; scroll up.\n        jumpBody.scrollTop = activeTop;\n      } else if (activeBottom > jumpBody.scrollTop + jumpBody.clientHeight) {\n        // Off the bottom; scroll down.\n        jumpBody.scrollTop = activeBottom - jumpBody.clientHeight;\n      }\n    }\n    activeJumpItem = n;\n  }\n\n  // Increment the activeJumpItem by delta.\n  function incActiveJumpItem(delta: number) {\n    if (activeJumpItem < 0) {\n      return;\n    }\n    let n = activeJumpItem + delta;\n    if (n < 0) {\n      n = 0;\n    }\n    setActiveJumpItem(n);\n  }\n\n  // Pressing a key in the filter updates the list (if the filter actually changed).\n  jumpFilter?.addEventListener('keyup', function () {\n    if (jumpFilter.value.toUpperCase() != lastFilterValue.toUpperCase()) {\n      updateJumpList(jumpFilter.value);\n    }\n  });\n\n  // Pressing enter in the filter selects the first element in the list.\n  jumpFilter?.addEventListener('keydown', function (event) {\n    const upArrow = 38;\n    const downArrow = 40;\n    const enterKey = 13;\n    switch (event.which) {\n      case upArrow:\n        incActiveJumpItem(-1);\n        event.preventDefault();\n        break;\n      case downArrow:\n        incActiveJumpItem(1);\n        event.preventDefault();\n        break;\n      case enterKey:\n        if (activeJumpItem >= 0) {\n          if (jumpList) {\n            (jumpList.children[activeJumpItem] as HTMLElement).click();\n            event.preventDefault();\n          }\n        }\n        break;\n    }\n  });\n\n  const shortcutsDialog = document.querySelector<HTMLDialogElement>('.ShortcutsDialog');\n\n  // - Pressing 'f' or 'F' opens the jump-to-symbol dialog.\n  // - Pressing '?' opens up the shortcut dialog.\n  // Ignore a keypress if a dialog is already open, or if it is pressed on a\n  // component that wants to consume it.\n  keyboard\n    .on('f', 'open jump to modal', e => {\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      e.preventDefault();\n      if (jumpFilter) {\n        jumpFilter.value = '';\n      }\n      jumpDialog?.showModal?.();\n      jumpFilter?.focus();\n      updateJumpList('');\n    })\n    .on('?', 'open shortcuts modal', () => {\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      shortcutsDialog?.showModal?.();\n    });\n\n  const jumpOutlineInput = document.querySelector('.js-jumpToInput');\n  if (jumpOutlineInput) {\n    jumpOutlineInput.addEventListener('click', () => {\n      if (jumpFilter) {\n        jumpFilter.value = '';\n      }\n      updateJumpList('');\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      jumpDialog?.showModal?.();\n      jumpFilter?.focus();\n    });\n  }\n\n  document.querySelector('.js-openShortcuts')?.addEventListener('click', () => {\n    shortcutsDialog?.showModal?.();\n  });\n}\n", "/**\n * @license\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Left Navigation.\n */\nexport const initJumpLinks = async function () {\n  const pagesWithJumpLinks = ['/about'];\n  if (!pagesWithJumpLinks.includes(window.location.pathname)) {\n    // stop the file from doing anything else if the page doesn't have jumplinks\n    return;\n  }\n\n  // these might be generated or not so don't grab references to the elements until actually need them.\n  const titles = 'h2, h3, h4';\n  const nav = '.LeftNav a';\n  // these are always in the dom so we can get them now and throw errors if they're not.\n  const leftNav = document.querySelector('.LeftNav');\n  const siteContent = document.querySelector('.go-Content');\n  let isObserverDisabled = false;\n\n  /**\n   * El function\n   * @example el('h1', {className: 'title'}, 'Welcome to the site');\n   * @example el('ul', {className: 'list'}, el('li', {}, 'Item one'), el('li', {}, 'Item two'), el('li', {}, 'Item three'));\n   * @example el('img', {src: '/url.svg'});\n   */\n  function el(\n    type = '',\n    props: { [key: string]: string } = {},\n    ...children: (HTMLElement | HTMLElement[] | string | undefined)[]\n  ) {\n    // Error, no type declared.\n    if (!type) {\n      throw new Error('Provide `type` to create document element.');\n    }\n\n    // Create element with optional attribute props\n    const docEl = Object.assign(document.createElement(type), props);\n\n    // Children: array containing strings or elements\n    children.forEach(child => {\n      if (typeof child === 'string') {\n        docEl.appendChild(document.createTextNode(child));\n      } else if (Array.isArray(child)) {\n        child.forEach(c => docEl.appendChild(c));\n      } else if (child instanceof HTMLElement) {\n        docEl.appendChild(child);\n      }\n    });\n\n    return docEl;\n  }\n  /**  Build Nav if data hydrate is present. */\n  function buildNav() {\n    return new Promise((resolve, reject) => {\n      let navItems: { id: string; label: string; subnav?: { id: string; label: string }[] }[] = [];\n      let elements: HTMLElement[] = [];\n\n      if (!siteContent || !leftNav) {\n        return reject('.SiteContent not found.');\n      }\n      if (leftNav instanceof HTMLElement && !leftNav?.dataset?.hydrate) {\n        return resolve(true);\n      }\n\n      for (const title of siteContent.querySelectorAll(titles)) {\n        if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n          switch (title.tagName) {\n            case 'H2':\n              navItems = [\n                ...navItems,\n                {\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                },\n              ];\n              break;\n\n            case 'H3':\n            case 'H4':\n              if (!navItems[navItems.length - 1]?.subnav) {\n                navItems[navItems.length - 1].subnav = [\n                  {\n                    id: title.id,\n                    label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                  },\n                ];\n              } else if (navItems[navItems.length - 1].subnav) {\n                navItems[navItems.length - 1].subnav?.push({\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                });\n              }\n              break;\n          }\n        }\n      }\n\n      for (const navItem of navItems) {\n        const link = el('a', { href: '#' + navItem.id }, el('span', {}, navItem.label));\n        elements = [...elements, link];\n        if (navItem?.subnav) {\n          let subLinks: HTMLElement[] = [];\n          for (const subnavItem of navItem.subnav) {\n            const subItem = el(\n              'li',\n              {},\n              el(\n                'a',\n                { href: '#' + subnavItem.id },\n                el('img', { src: '/static/frontend/about/dot.svg', width: '5', height: '5' }),\n                el('span', {}, subnavItem.label)\n              )\n            );\n            subLinks = [...subLinks, subItem];\n          }\n          const list = el('ul', { className: 'LeftSubnav' }, subLinks);\n          elements = [...elements, list];\n        }\n      }\n\n      elements.forEach(element => leftNav.appendChild(element));\n\n      return resolve(true);\n    });\n  }\n  /**\n   * Set the correct active element.\n   */\n  function setNav() {\n    return new Promise(resolve => {\n      if (!document.querySelectorAll(nav)) return resolve(true);\n      for (const a of document.querySelectorAll(nav)) {\n        if (a instanceof HTMLAnchorElement && a.href === location.href) {\n          setElementActive(a);\n          break;\n        }\n      }\n      resolve(true);\n    });\n  }\n  /** resetNav: removes all .active from nav elements */\n  function resetNav() {\n    return new Promise(resolve => {\n      if (!document.querySelectorAll(nav)) return resolve(true);\n      for (const a of document.querySelectorAll(nav)) {\n        a.classList.remove('active');\n      }\n      resolve(true);\n    });\n  }\n  /** setElementActive: controls resetting nav and highlighting the appropriate nav items */\n  function setElementActive(element: HTMLAnchorElement) {\n    if (element instanceof HTMLAnchorElement) {\n      resetNav().then(() => {\n        element.classList.add('active');\n        const parent = element?.parentNode?.parentNode;\n        if (parent instanceof HTMLElement && parent?.classList?.contains('LeftSubnav')) {\n          parent.previousElementSibling?.classList.add('active');\n        }\n      });\n    }\n  }\n  /** setLinkManually: disables observer and selects the clicked nav item. */\n  function setLinkManually() {\n    delayObserver();\n    const link = document.querySelector('[href=\"' + location.hash + '\"]');\n    if (link instanceof HTMLAnchorElement) {\n      setElementActive(link);\n    }\n  }\n  /** delayObserver: Quick on off switch for intersection observer. */\n  function delayObserver() {\n    isObserverDisabled = true;\n    setTimeout(() => {\n      isObserverDisabled = false;\n    }, 200);\n  }\n  /** observeSections: kicks off observation of titles as well as manual clicks with hashchange */\n  function observeSections() {\n    window.addEventListener('hashchange', setLinkManually);\n\n    if (siteContent?.querySelectorAll(titles)) {\n      const callback: IntersectionObserverCallback = entries => {\n        if (!isObserverDisabled && Array.isArray(entries) && entries.length > 0) {\n          for (const entry of entries) {\n            if (entry.isIntersecting && entry.target instanceof HTMLElement) {\n              const { id } = entry.target;\n              const link = document.querySelector('[href=\"#' + id + '\"]');\n              if (link instanceof HTMLAnchorElement) {\n                setElementActive(link);\n              }\n              break;\n            }\n          }\n        }\n      };\n      // rootMargin is important when multiple sections are in the observable area **on page load**.\n      // they will still be highlighted on scroll because of the root margin.\n      const ob = new IntersectionObserver(callback, {\n        threshold: 0,\n        rootMargin: '0px 0px -50% 0px',\n      });\n      for (const title of siteContent.querySelectorAll(titles)) {\n        if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n          ob.observe(title);\n        }\n      }\n    }\n  }\n\n  try {\n    await buildNav();\n    await setNav();\n    if (location.hash) {\n      delayObserver();\n    }\n    observeSections();\n  } catch (e) {\n    if (e instanceof Error) {\n      console.error(e.message);\n    } else {\n      console.error(e);\n    }\n  }\n};\n", "/**\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { registerHeaderListeners, registerSearchFormListeners } from 'static/shared/header/header';\nimport { CarouselController } from 'static/shared/carousel/carousel';\nimport { ClipboardController } from 'static/shared/clipboard/clipboard';\nimport { ToolTipController } from 'static/shared/tooltip/tooltip';\nimport { SelectNavController } from 'static/shared/outline/select';\nimport { ModalController } from 'static/shared/modal/modal';\nimport { initModals } from 'static/shared/jump/jump';\n\nimport { keyboard } from 'static/shared/keyboard/keyboard';\nimport * as analytics from 'static/shared/analytics/analytics';\nimport { initJumpLinks } from './about/index';\n\nwindow.addEventListener('load', () => {\n  for (const el of document.querySelectorAll<HTMLButtonElement>('.js-clipboard')) {\n    new ClipboardController(el);\n  }\n\n  for (const el of document.querySelectorAll<HTMLDialogElement>('.js-modal')) {\n    new ModalController(el);\n  }\n\n  for (const t of document.querySelectorAll<HTMLDetailsElement>('.js-tooltip')) {\n    new ToolTipController(t);\n  }\n\n  for (const el of document.querySelectorAll<HTMLSelectElement>('.js-selectNav')) {\n    new SelectNavController(el);\n  }\n\n  for (const el of document.querySelectorAll<HTMLSelectElement>('.js-carousel')) {\n    new CarouselController(el);\n  }\n\n  for (const el of document.querySelectorAll('.js-toggleTheme')) {\n    el.addEventListener('click', () => {\n      toggleTheme();\n    });\n  }\n\n  if (document.querySelector<HTMLElement>('.js-gtmID')?.dataset.gtmid && window.dataLayer) {\n    analytics.func(function () {\n      removeUTMSource();\n    });\n  } else {\n    removeUTMSource();\n  }\n\n  registerHeaderListeners();\n  registerSearchFormListeners();\n  initModals();\n  initJumpLinks();\n  registerCookieNotice();\n});\n\n// Pressing '/' focuses the search box\nkeyboard.on('/', 'focus search', e => {\n  const searchInput = Array.from(\n    document.querySelectorAll<HTMLInputElement>('.js-searchFocus')\n  ).pop();\n  // Favoring the Firefox quick find feature over search input\n  // focus. 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-  "names": ["registerHeaderListeners", "header", "menuItemHover", "e", "target", "forced", "toggleForcedOpen", "isForced", "currentTarget", "event", "headerbuttons", "button", "isActive", "handleNavigationDrawerInactive", "handleNavigationDrawerActive", "subnav", "getNavigationDrawerMenuItems", "navigationDrawer", "menuItems", "anchorEl", "getNavigationDrawerIsSubnav", "item", "handleMenuItemTabLeftFactory", "handleMenuItemTabRightFactory", "prepMobileNavigationDrawer", "isSubnav", "parentLi", "submenu", "drawer", "registerSearchFormListeners", "searchForm", "expandSearch", "input", "headerLogo", "menuButton", "CarouselController", "el", "index", "d", "s", "i", "v", "arrows", "dots", "li", "button", "ClipboardController", "el", "e", "TOOLTIP_SHOW_DURATION_MS", "text", "durationMs", "ToolTipController", "el", "e", "SelectNavController", "el", "e", "target", "href", "ModalController", "el", "button", "btn", "track", "event", "category", "action", "label", "func", "fn", "KeyboardController", "key", "description", "callback", "options", "handler", "t", "track", "keyboard", "initModals", "jumpDialog", "jumpBody", "jumpList", "jumpFilter", "doc", "jumpListItems", "collectJumpListItems", "items", "el", "newJumpListItem", "item", "a", "b", "name", "kind", "lastFilterValue", "activeJumpItem", "updateJumpList", "filter", "setActiveJumpItem", "filterLowerCase", "exactMatches", "prefixMatches", "infixMatches", "makeLinkHtml", "boldStart", "boldEnd", "nameLowerCase", "index", "msg", "n", "cs", "activeTop", "activeBottom", "incActiveJumpItem", "delta", "event", "shortcutsDialog", "keyboard", "e", "jumpOutlineInput", "initJumpLinks", "titles", "nav", "leftNav", "siteContent", "isObserverDisabled", "el", "type", "props", "children", "docEl", "child", "c", "buildNav", "resolve", "reject", "navItems", "elements", "title", "navItem", "link", "subLinks", "subnavItem", "subItem", "list", "element", "setNav", "a", "setElementActive", "resetNav", "parent", "setLinkManually", "delayObserver", "observeSections", "callback", "entries", "entry", "id", "ob", "e", "el", "ClipboardController", "ModalController", "t", "ToolTipController", "SelectNavController", "CarouselController", "toggleTheme", "func", "removeUTMSource", "registerHeaderListeners", "registerSearchFormListeners", "initModals", "initJumpLinks", "registerCookieNotice", "keyboard", "e", "searchInput", "canonicalURLPath", "fragment", "track", "urlParams", "utmSource", "newURL", "nextTheme", "theme", "domain", "notice", "button"]
+  "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nexport function registerHeaderListeners(): void {\n  const header = document.querySelector('.js-header') as HTMLElement;\n\n  // Desktop menu hover state\n  const menuItemHovers = document.querySelectorAll('.js-desktop-menu-hover');\n  menuItemHovers.forEach(menuItemHover => {\n    // when user clicks on the dropdown menu item on desktop or mobile,\n    // force the menu to stay open until the user clicks off of it.\n    menuItemHover.addEventListener('mouseenter', e => {\n      const target = e.target as HTMLElement;\n      const forced = document.querySelector('.forced-open') as HTMLElement;\n      if (forced && forced !== menuItemHover) {\n        forced.blur();\n        forced.classList.remove('forced-open');\n      }\n      // prevents menus that have been tabbed into from staying open\n      // when you hover over another menu\n      target.classList.remove('forced-closed');\n      target.classList.add('forced-open');\n    });\n\n    const toggleForcedOpen = (e: Event) => {\n      const target = e.target as HTMLElement;\n      const isForced = target?.classList.contains('forced-open');\n      const currentTarget = e.currentTarget as HTMLElement;\n      if (isForced) {\n        currentTarget.removeEventListener('blur', () =>\n          currentTarget.classList.remove('forced-open')\n        );\n        currentTarget.classList.remove('forced-open');\n        currentTarget.classList.add('forced-closed');\n        currentTarget.blur();\n        currentTarget?.parentNode?.addEventListener('mouseout', () => {\n          currentTarget.classList.remove('forced-closed');\n        });\n      } else {\n        currentTarget.classList.remove('forced-closed');\n        currentTarget.classList.add('forced-open');\n        currentTarget.focus();\n        currentTarget.addEventListener('blur', () => currentTarget.classList.remove('forced-open'));\n        currentTarget?.parentNode?.removeEventListener('mouseout', () => {\n          currentTarget.classList.remove('forced-closed');\n        });\n      }\n      currentTarget.focus();\n    };\n    menuItemHover.addEventListener('click', toggleForcedOpen);\n    menuItemHover.addEventListener('focus', e => {\n      const target = e.target as HTMLElement;\n      target.classList.add('forced-closed');\n      target.classList.remove('forced-open');\n    });\n\n    // ensure desktop submenus are closed when esc is pressed\n    const closeSubmenuOnEsc = (e: Event) => {\n      const event = e as KeyboardEvent;\n      const target = e.target as HTMLElement;\n      if (event.key === 'Escape') {\n        const forcedOpenItem = document.querySelector('.forced-open') as HTMLElement;\n        if (forcedOpenItem) {\n          forcedOpenItem.classList.remove('forced-open');\n          forcedOpenItem.blur();\n          forcedOpenItem.classList.add('forced-closed');\n          target?.focus();\n        }\n      }\n    };\n    document.addEventListener('keydown', closeSubmenuOnEsc);\n  });\n\n  // Mobile menu subnav menus\n  const headerbuttons = document.querySelectorAll('.js-headerMenuButton');\n  headerbuttons.forEach(button => {\n    button.addEventListener('click', e => {\n      e.preventDefault();\n      const isActive = header?.classList.contains('is-active');\n      if (isActive) {\n        handleNavigationDrawerInactive(header);\n      } else {\n        handleNavigationDrawerActive(header);\n      }\n      button.setAttribute('aria-expanded', isActive ? 'true' : 'false');\n    });\n  });\n\n  const scrim = document.querySelector('.js-scrim');\n  scrim?.addEventListener('click', e => {\n    e.preventDefault();\n\n    // find any active submenus and close them\n    const activeSubnavs = document.querySelectorAll('.go-NavigationDrawer-submenuItem.is-active');\n    activeSubnavs.forEach(subnav => handleNavigationDrawerInactive(subnav as HTMLElement));\n\n    handleNavigationDrawerInactive(header);\n\n    headerbuttons.forEach(button => {\n      button.setAttribute(\n        'aria-expanded',\n        header?.classList.contains('is-active') ? 'true' : 'false'\n      );\n    });\n  });\n\n  const getNavigationDrawerMenuItems = (navigationDrawer: HTMLElement): HTMLElement[] => {\n    if (!navigationDrawer) {\n      return [];\n    }\n\n    const menuItems = Array.from(\n      navigationDrawer.querySelectorAll(\n        ':scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > a, :scope > .go-NavigationDrawer-nav > .go-NavigationDrawer-list > .go-NavigationDrawer-listItem > .go-Header-socialIcons > a'\n      ) || []\n    );\n\n    const anchorEl = navigationDrawer.querySelector('.go-NavigationDrawer-header > a');\n    if (anchorEl) {\n      menuItems.unshift(anchorEl);\n    }\n    return menuItems as HTMLElement[];\n  };\n\n  const getNavigationDrawerIsSubnav = (navigationDrawer: HTMLElement) => {\n    if (!navigationDrawer) {\n      return;\n    }\n    return navigationDrawer.classList.contains('go-NavigationDrawer-submenuItem');\n  };\n\n  const handleNavigationDrawerInactive = (navigationDrawer: HTMLElement) => {\n    if (!navigationDrawer) {\n      return;\n    }\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n    navigationDrawer.classList.remove('is-active');\n    const parentMenuItem = navigationDrawer\n      .closest('.go-NavigationDrawer-listItem')\n      ?.querySelector(':scope > a') as HTMLElement;\n    parentMenuItem?.focus();\n    menuItems?.forEach(item => item?.setAttribute('tabindex', '-1'));\n    if (menuItems && menuItems[0]) {\n      menuItems[0].removeEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n      menuItems[menuItems.length - 1].removeEventListener(\n        'keydown',\n        handleMenuItemTabRightFactory(navigationDrawer)\n      );\n    }\n\n    if (navigationDrawer === header) {\n      headerbuttons && (headerbuttons[0] as HTMLElement)?.focus();\n    }\n  };\n\n  const handleNavigationDrawerActive = (navigationDrawer: HTMLElement) => {\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n\n    navigationDrawer.classList.add('is-active');\n    menuItems.forEach(item => item.setAttribute('tabindex', '0'));\n    menuItems[0].focus();\n\n    menuItems[0].addEventListener('keydown', handleMenuItemTabLeftFactory(navigationDrawer));\n    menuItems[menuItems.length - 1].addEventListener(\n      'keydown',\n      handleMenuItemTabRightFactory(navigationDrawer)\n    );\n  };\n\n  const handleMenuItemTabLeftFactory = (navigationDrawer: HTMLElement) => {\n    return (e: KeyboardEvent) => {\n      if (e.key === 'Tab' && e.shiftKey) {\n        e.preventDefault();\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    };\n  };\n\n  const handleMenuItemTabRightFactory = (navigationDrawer: HTMLElement) => {\n    return (e: KeyboardEvent) => {\n      if (e.key === 'Tab' && !e.shiftKey) {\n        e.preventDefault();\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    };\n  };\n\n  const prepMobileNavigationDrawer = (navigationDrawer: HTMLElement) => {\n    const isSubnav = getNavigationDrawerIsSubnav(navigationDrawer);\n    const menuItems = getNavigationDrawerMenuItems(navigationDrawer);\n    navigationDrawer.addEventListener('keyup', e => {\n      if (e.key === 'Escape') {\n        handleNavigationDrawerInactive(navigationDrawer);\n      }\n    });\n\n    menuItems.forEach(item => {\n      const parentLi = item.closest('li');\n      if (parentLi && parentLi.classList.contains('js-mobile-subnav-trigger')) {\n        const submenu = parentLi.querySelector('.go-NavigationDrawer-submenuItem') as HTMLElement;\n        item.addEventListener('click', () => {\n          handleNavigationDrawerActive(submenu);\n        });\n      }\n    });\n    if (isSubnav) {\n      handleNavigationDrawerInactive(navigationDrawer);\n      navigationDrawer\n        ?.querySelector('.go-NavigationDrawer-header')\n        ?.addEventListener('click', e => {\n          e.preventDefault();\n          handleNavigationDrawerInactive(navigationDrawer);\n        });\n    }\n  };\n\n  document\n    .querySelectorAll('.go-NavigationDrawer')\n    .forEach(drawer => prepMobileNavigationDrawer(drawer as HTMLElement));\n\n  handleNavigationDrawerInactive(header);\n}\n\nexport function registerSearchFormListeners(): void {\n  const searchForm = document.querySelector('.js-searchForm');\n  const expandSearch = document.querySelector('.js-expandSearch');\n  const input = searchForm?.querySelector('input');\n  const headerLogo = document.querySelector('.js-headerLogo');\n  const menuButton = document.querySelector('.js-headerMenuButton');\n  expandSearch?.addEventListener('click', () => {\n    searchForm?.classList.add('go-SearchForm--expanded');\n    headerLogo?.classList.add('go-Header-logo--hidden');\n    menuButton?.classList.add('go-Header-navOpen--hidden');\n    input?.focus();\n  });\n  document?.addEventListener('click', e => {\n    if (!searchForm?.contains(e.target as Node)) {\n      searchForm?.classList.remove('go-SearchForm--expanded');\n      headerLogo?.classList.remove('go-Header-logo--hidden');\n      menuButton?.classList.remove('go-Header-navOpen--hidden');\n    }\n  });\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Carousel Controller adds event listeners, accessibility enhancements, and\n * control elements to a carousel component.\n */\nexport class CarouselController {\n  /**\n   * slides is a collection of slides in the carousel.\n   */\n  private slides: HTMLLIElement[];\n  /**\n   * dots is a collection of dot navigation controls, added to the carousel\n   * by this controller.\n   */\n  private dots: HTMLElement[];\n  /**\n   * liveRegion is a visually hidden element that notifies assitive devices\n   * of visual changes to the carousel. They are added to the carousel by\n   * this controller.\n   */\n  private liveRegion: HTMLElement;\n  /**\n   * activeIndex is the 0-index of the currently active slide.\n   */\n  private activeIndex: number;\n\n  constructor(private el: HTMLElement) {\n    this.slides = Array.from(el.querySelectorAll('.go-Carousel-slide'));\n    this.dots = [];\n    this.liveRegion = document.createElement('div');\n    this.activeIndex = Number(el.getAttribute('data-slide-index') ?? 0);\n\n    this.initSlides();\n    this.initArrows();\n    this.initDots();\n    this.initLiveRegion();\n  }\n\n  private initSlides() {\n    for (const [i, v] of this.slides.entries()) {\n      if (i === this.activeIndex) continue;\n      v.setAttribute('aria-hidden', 'true');\n    }\n  }\n\n  private initArrows() {\n    const arrows = document.createElement('ul');\n    arrows.classList.add('go-Carousel-arrows');\n    arrows.innerHTML = `\n      <li>\n        <button class=\"go-Carousel-prevSlide\" aria-label=\"Go to previous slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_left_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n      <li>\n        <button class=\"go-Carousel-nextSlide\" aria-label=\"Go to next slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_right_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n    `;\n    arrows\n      .querySelector('.go-Carousel-prevSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex - 1));\n    arrows\n      .querySelector('.go-Carousel-nextSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex + 1));\n    this.el.append(arrows);\n  }\n\n  private initDots() {\n    const dots = document.createElement('ul');\n    dots.classList.add('go-Carousel-dots');\n    for (let i = 0; i < this.slides.length; i++) {\n      const li = document.createElement('li');\n      const button = document.createElement('button');\n      button.classList.add('go-Carousel-dot');\n      if (i === this.activeIndex) {\n        button.classList.add('go-Carousel-dot--active');\n      }\n      button.innerHTML = `<span class=\"go-Carousel-obscured\">Slide ${i + 1}</span>`;\n      button.addEventListener('click', () => this.setActive(i));\n      li.append(button);\n      dots.append(li);\n      this.dots.push(button);\n    }\n    this.el.append(dots);\n  }\n\n  private initLiveRegion() {\n    this.liveRegion.setAttribute('aria-live', 'polite');\n    this.liveRegion.setAttribute('aria-atomic', 'true');\n    this.liveRegion.setAttribute('class', 'go-Carousel-obscured');\n    this.liveRegion.textContent = `Slide ${this.activeIndex + 1} of ${this.slides.length}`;\n    this.el.appendChild(this.liveRegion);\n  }\n\n  private setActive = (index: number) => {\n    this.activeIndex = (index + this.slides.length) % this.slides.length;\n    this.el.setAttribute('data-slide-index', String(this.activeIndex));\n    for (const d of this.dots) {\n      d.classList.remove('go-Carousel-dot--active');\n    }\n    this.dots[this.activeIndex].classList.add('go-Carousel-dot--active');\n    for (const s of this.slides) {\n      s.setAttribute('aria-hidden', 'true');\n    }\n    this.slides[this.activeIndex].removeAttribute('aria-hidden');\n    this.liveRegion.textContent = 'Slide ' + (this.activeIndex + 1) + ' of ' + this.slides.length;\n  };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * This class decorates an element to copy arbitrary data attached via a data-\n * attribute to the clipboard.\n */\nexport class ClipboardController {\n  /**\n   * The data to be copied to the clipboard.\n   */\n  private data: string;\n\n  /**\n   * @param el The element that will trigger copying text to the clipboard. The text is\n   * expected to be within its data-to-copy attribute.\n   */\n  constructor(private el: HTMLButtonElement) {\n    this.data = el.dataset['toCopy'] ?? el.innerText;\n    // if data-to-copy is empty and the button is part of an input group\n    // capture the value of the input.\n    if (!this.data && el.parentElement?.classList.contains('go-InputGroup')) {\n      this.data = (this.data || el.parentElement?.querySelector('input')?.value) ?? '';\n    }\n    el.addEventListener('click', e => this.handleCopyClick(e));\n  }\n\n  /**\n   * Handles when the primary element is clicked.\n   */\n  handleCopyClick(e: MouseEvent): void {\n    e.preventDefault();\n    const TOOLTIP_SHOW_DURATION_MS = 1000;\n\n    // This API is not available on iOS.\n    if (!navigator.clipboard) {\n      this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n      return;\n    }\n    navigator.clipboard\n      .writeText(this.data)\n      .then(() => {\n        this.showTooltipText('Copied!', TOOLTIP_SHOW_DURATION_MS);\n      })\n      .catch(() => {\n        this.showTooltipText('Unable to copy', TOOLTIP_SHOW_DURATION_MS);\n      });\n  }\n\n  /**\n   * Shows the given text in a tooltip for a specified amount of time, in milliseconds.\n   */\n  showTooltipText(text: string, durationMs: number): void {\n    this.el.setAttribute('data-tooltip', text);\n    setTimeout(() => this.el.setAttribute('data-tooltip', ''), durationMs);\n  }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * ToolTipController handles closing tooltips on external clicks.\n */\nexport class ToolTipController {\n  constructor(private el: HTMLDetailsElement) {\n    document.addEventListener('click', e => {\n      const insideTooltip = this.el.contains(e.target as Element);\n      if (!insideTooltip) {\n        this.el.removeAttribute('open');\n      }\n    });\n  }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n  constructor(private el: Element) {\n    this.el.addEventListener('change', e => {\n      const target = e.target as HTMLSelectElement;\n      let href = target.value;\n      if (!target.value.startsWith('/')) {\n        href = '/' + href;\n      }\n      window.location.href = href;\n    });\n  }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n  const label = document.createElement('label');\n  label.classList.add('go-Label');\n  label.setAttribute('aria-label', 'Menu');\n  const select = document.createElement('select');\n  select.classList.add('go-Select', 'js-selectNav');\n  label.appendChild(select);\n  const outline = document.createElement('optgroup');\n  outline.label = 'Outline';\n  select.appendChild(outline);\n  const groupMap: Record<string, HTMLOptGroupElement> = {};\n  let group: HTMLOptGroupElement;\n  for (const t of tree.treeitems) {\n    if (Number(t.depth) > 4) continue;\n    if (t.groupTreeitem) {\n      group = groupMap[t.groupTreeitem.label];\n      if (!group) {\n        group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n        group.label = t.groupTreeitem.label;\n        select.appendChild(group);\n      }\n    } else {\n      group = outline;\n    }\n    const o = document.createElement('option');\n    o.label = t.label;\n    o.textContent = t.label;\n    o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n    group.appendChild(o);\n  }\n  tree.addObserver(t => {\n    const hash = (t.el as HTMLAnchorElement).hash;\n    const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n    if (value) {\n      select.value = value;\n    }\n  }, 50);\n  return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\ninterface Window {\n  dialogPolyfill?: {\n    registerDialog: (el: HTMLDialogElement) => void;\n  };\n}\n\ndeclare const window: Window;\n\n/**\n * ModalController registers a dialog element with the polyfill if\n * necessary for the current browser, add adds event listeners to\n * close and open modals.\n */\nexport class ModalController {\n  constructor(private el: HTMLDialogElement) {\n    if (window.dialogPolyfill) {\n      window.dialogPolyfill.registerDialog(el);\n    }\n    this.init();\n  }\n\n  init() {\n    const button = document.querySelector<HTMLButtonElement>(`[aria-controls=\"${this.el.id}\"]`);\n    if (button) {\n      button.addEventListener('click', () => {\n        if (this.el.showModal) {\n          this.el.showModal();\n        } else {\n          this.el.setAttribute('opened', 'true');\n        }\n        this.el.querySelector('input')?.focus();\n      });\n    }\n    for (const btn of this.el.querySelectorAll<HTMLButtonElement>('[data-modal-close]')) {\n      btn.addEventListener('click', () => {\n        if (this.el.close) {\n          this.el.close();\n        } else {\n          this.el.removeAttribute('opened');\n        }\n      });\n    }\n  }\n}\n", "interface TagManagerEvent {\n  /**\n   * event is the name of the event, used to filter events in\n   * Google Analytics.\n   */\n  event: string;\n\n  /**\n   * event_category is a name that you supply as a way to group objects\n   * that to analyze. Typically, you will use the same category name\n   * multiple times over related UI elements (buttons, links, etc).\n   */\n  event_category?: string;\n\n  /**\n   * event_action is used to name the type of event or interaction you\n   * want to measure for a particular web object. For example, with a\n   * single \"form\" category, you can analyze a number of specific events\n   * with this parameter, such as: form entered, form submitted.\n   */\n  event_action?: string;\n\n  /**\n   * event_label provide additional information for events that you want\n   * to analyze, such as the text label of a link.\n   */\n  event_label?: string;\n\n  /**\n   * gtm.start is used to initialize Google Tag Manager.\n   */\n  'gtm.start'?: number;\n}\n\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\ndeclare global {\n  interface Window {\n    dataLayer?: (TagManagerEvent | VoidFunction)[];\n    ga?: unknown;\n  }\n}\n\n/**\n * track sends events to Google Tag Manager.\n */\nexport function track(\n  event: string | TagManagerEvent,\n  category?: string,\n  action?: string,\n  label?: string\n): void {\n  window.dataLayer ??= [];\n  if (typeof event === 'string') {\n    window.dataLayer.push({\n      event,\n      event_category: category,\n      event_action: action,\n      event_label: label,\n    });\n  } else {\n    window.dataLayer.push(event);\n  }\n}\n\n/**\n * func adds functions to run sequentionally after\n * Google Tag Manager is ready.\n */\nexport function func(fn: () => void): void {\n  window.dataLayer ??= [];\n  window.dataLayer.push(fn);\n}\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { track } from '../analytics/analytics';\n\n/**\n * Options are keyhandler callback options.\n */\ninterface Options {\n  /**\n   * target is the element the key event should filter on. The\n   * default target is the document.\n   */\n  target?: Element;\n\n  /**\n   * withMeta specifies if the event callback should fire when\n   * the key is pressed with a meta key (ctrl, alt, etc). By\n   * default meta keypresses are ignored.\n   */\n  withMeta?: boolean;\n}\n\n/**\n * KeyHandler is the config for a keyboard event callback.\n */\ninterface KeyHandler extends Options {\n  description: string;\n  callback: (e: KeyboardEvent) => void;\n}\n\n/**\n * KeyboardController controls event callbacks for sitewide\n * keyboard events. Multiple callbacks can be registered for\n * a single key and by default the controller ignores events\n * for text input targets.\n */\nclass KeyboardController {\n  handlers: Record<string, Set<KeyHandler>>;\n\n  constructor() {\n    this.handlers = {};\n    document.addEventListener('keydown', e => this.handleKeyPress(e));\n  }\n\n  /**\n   * on registers keyboard event callbacks.\n   * @param key the key to register.\n   * @param description name of the event.\n   * @param callback event callback.\n   * @param options set target and withMeta options to override the default behaviors.\n   */\n  on(key: string, description: string, callback: (e: KeyboardEvent) => void, options?: Options) {\n    this.handlers[key] ??= new Set();\n    this.handlers[key].add({ description, callback, ...options });\n    return this;\n  }\n\n  private handleKeyPress(e: KeyboardEvent) {\n    for (const handler of this.handlers[e.key.toLowerCase()] ?? new Set()) {\n      if (handler.target && handler.target !== e.target) {\n        return;\n      }\n      const t = e.target as HTMLElement | null;\n      if (\n        !handler.target &&\n        (t?.tagName === 'INPUT' || t?.tagName === 'SELECT' || t?.tagName === 'TEXTAREA')\n      ) {\n        return;\n      }\n      if (t?.isContentEditable) {\n        return;\n      }\n      if (\n        (handler.withMeta && !(e.ctrlKey || e.metaKey)) ||\n        (!handler.withMeta && (e.ctrlKey || e.metaKey))\n      ) {\n        return;\n      }\n      track('keypress', 'hotkeys', `${e.key} pressed`, handler.description);\n      handler.callback(e);\n    }\n  }\n}\n\nexport const keyboard = new KeyboardController();\n", "/*!\n * @license\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n// This file implements the behavior of the \"jump to symbol\" dialog for Go\n// package documentation, as well as the simple dialog that displays keyboard\n// shortcuts.\n\n// The DOM for the dialogs is at the bottom of static/frontend/unit/main/_modals.tmpl.\n// The CSS is in static/frontend/unit/main/_modals.css.\n\n// The dialog is activated by pressing the 'f' key. It presents a list\n// (#JumpDialog-list) of all Go symbols displayed in the documentation.\n// Entering text in the dialog's text box (#JumpDialog-filter) restricts the\n// list to symbols containing the text. Clicking on an symbol jumps to\n// its documentation.\n\n// This code is based on\n// https://go.googlesource.com/gddo/+/refs/heads/master/gddo-server/assets/site.js.\n// It was modified to remove the dependence on jquery and bootstrap.\n\nimport { keyboard } from '../keyboard/keyboard';\n\nexport function initModals(): void {\n  const jumpDialog = document.querySelector<HTMLDialogElement>('.JumpDialog');\n  const jumpBody = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-body');\n  const jumpList = jumpDialog?.querySelector<HTMLDivElement>('.JumpDialog-list');\n  const jumpFilter = jumpDialog?.querySelector<HTMLInputElement>('.JumpDialog-input');\n  const doc = document.querySelector<HTMLDivElement>('.js-documentation');\n\n  interface JumpListItem {\n    link: HTMLAnchorElement;\n    name: string;\n    kind: string;\n    lower: string;\n  }\n\n  let jumpListItems: JumpListItem[] | undefined; // All the symbols in the doc; computed only once.\n\n  // collectJumpListItems returns a list of items, one for each symbol in the\n  // documentation on the current page.\n  //\n  // It uses the data-kind attribute generated in the documentation HTML to find\n  // the symbols and their id attributes.\n  //\n  // If there are no data-kind attributes, then we have older doc; fall back to\n  // a less precise method.\n  function collectJumpListItems() {\n    const items = [];\n    if (!doc) return;\n    for (const el of doc.querySelectorAll('[data-kind]')) {\n      items.push(newJumpListItem(el));\n    }\n\n    // Clicking on any of the links closes the dialog.\n    for (const item of items) {\n      item.link.addEventListener('click', function () {\n        jumpDialog?.close();\n      });\n    }\n    // Sort case-insensitively by symbol name.\n    items.sort(function (a, b) {\n      return a.lower.localeCompare(b.lower);\n    });\n    return items;\n  }\n\n  // newJumpListItem creates a new item for the DOM element el.\n  // An item is an object with:\n  // - name: the element's id (which is the symbol name)\n  // - kind: the element's kind (function, variable, etc.),\n  // - link: a link ('a' tag) to the element\n  // - lower: the name in lower case, just for sorting\n  function newJumpListItem(el: Element): JumpListItem {\n    const a = document.createElement('a');\n    const name = el.getAttribute('id');\n    a.setAttribute('href', '#' + name);\n    a.setAttribute('tabindex', '-1');\n    a.setAttribute('data-gtmc', 'jump to link');\n    const kind = el.getAttribute('data-kind');\n    return {\n      link: a,\n      name: name ?? '',\n      kind: kind ?? '',\n      lower: name?.toLowerCase() ?? '', // for sorting\n    };\n  }\n\n  let lastFilterValue: string; // The last contents of the filter text box.\n  let activeJumpItem = -1; // The index of the currently active item in the list.\n\n  // updateJumpList sets the elements of the dialog list to\n  // everything whose name contains filter.\n  function updateJumpList(filter: string) {\n    lastFilterValue = filter;\n    if (!jumpListItems) {\n      jumpListItems = collectJumpListItems();\n    }\n    setActiveJumpItem(-1);\n\n    // Remove all children from list.\n    while (jumpList?.firstChild) {\n      jumpList.firstChild.remove();\n    }\n\n    if (filter) {\n      // A filter is set. We treat the filter as a substring that can appear in\n      // an item name (case insensitive), and find the following matches - in\n      // order of priority:\n      //\n      // 1. Exact matches (the filter matches the item's name exactly)\n      // 2. Prefix matches (the item's name starts with filter)\n      // 3. Infix matches (the filter is a substring of the item's name)\n      const filterLowerCase = filter.toLowerCase();\n\n      const exactMatches = [];\n      const prefixMatches = [];\n      const infixMatches = [];\n\n      // makeLinkHtml creates the link name HTML for a list item. item is the DOM\n      // item. item.name.substr(boldStart, boldEnd) will be bolded.\n      const makeLinkHtml = (item: JumpListItem, boldStart: number, boldEnd: number) => {\n        return (\n          item.name.substring(0, boldStart) +\n          '<b>' +\n          item.name.substring(boldStart, boldEnd) +\n          '</b>' +\n          item.name.substring(boldEnd)\n        );\n      };\n\n      for (const item of jumpListItems ?? []) {\n        const nameLowerCase = item.name.toLowerCase();\n\n        if (nameLowerCase === filterLowerCase) {\n          item.link.innerHTML = makeLinkHtml(item, 0, item.name.length);\n          exactMatches.push(item);\n        } else if (nameLowerCase.startsWith(filterLowerCase)) {\n          item.link.innerHTML = makeLinkHtml(item, 0, filter.length);\n          prefixMatches.push(item);\n        } else {\n          const index = nameLowerCase.indexOf(filterLowerCase);\n          if (index > -1) {\n            item.link.innerHTML = makeLinkHtml(item, index, index + filter.length);\n            infixMatches.push(item);\n          }\n        }\n      }\n\n      for (const item of exactMatches.concat(prefixMatches).concat(infixMatches)) {\n        jumpList?.appendChild(item.link);\n      }\n    } else {\n      if (!jumpListItems || jumpListItems.length === 0) {\n        const msg = document.createElement('i');\n        msg.innerHTML = 'There are no symbols on this page.';\n        jumpList?.appendChild(msg);\n      }\n      // No filter set; display all items in their existing order.\n      for (const item of jumpListItems ?? []) {\n        item.link.innerHTML = item.name + ' <i>' + item.kind + '</i>';\n        jumpList?.appendChild(item.link);\n      }\n    }\n\n    if (jumpBody) {\n      jumpBody.scrollTop = 0;\n    }\n    if (jumpListItems?.length && jumpList && jumpList.children.length > 0) {\n      setActiveJumpItem(0);\n    }\n  }\n\n  // Set the active jump item to n.\n  function setActiveJumpItem(n: number) {\n    const cs = jumpList?.children as HTMLCollectionOf<HTMLElement> | null | undefined;\n    if (!cs || !jumpBody) {\n      return;\n    }\n    if (activeJumpItem >= 0) {\n      cs[activeJumpItem].classList.remove('JumpDialog-active');\n    }\n    if (n >= cs.length) {\n      n = cs.length - 1;\n    }\n    if (n >= 0) {\n      cs[n].classList.add('JumpDialog-active');\n\n      // Scroll so the active item is visible.\n      // For some reason cs[n].scrollIntoView() doesn't behave as I'd expect:\n      // it moves the entire dialog box in the viewport.\n\n      // Get the top and bottom of the active item relative to jumpBody.\n      const activeTop = cs[n].offsetTop - cs[0].offsetTop;\n      const activeBottom = activeTop + cs[n].clientHeight;\n      if (activeTop < jumpBody.scrollTop) {\n        // Off the top; scroll up.\n        jumpBody.scrollTop = activeTop;\n      } else if (activeBottom > jumpBody.scrollTop + jumpBody.clientHeight) {\n        // Off the bottom; scroll down.\n        jumpBody.scrollTop = activeBottom - jumpBody.clientHeight;\n      }\n    }\n    activeJumpItem = n;\n  }\n\n  // Increment the activeJumpItem by delta.\n  function incActiveJumpItem(delta: number) {\n    if (activeJumpItem < 0) {\n      return;\n    }\n    let n = activeJumpItem + delta;\n    if (n < 0) {\n      n = 0;\n    }\n    setActiveJumpItem(n);\n  }\n\n  // Pressing a key in the filter updates the list (if the filter actually changed).\n  jumpFilter?.addEventListener('keyup', function () {\n    if (jumpFilter.value.toUpperCase() != lastFilterValue.toUpperCase()) {\n      updateJumpList(jumpFilter.value);\n    }\n  });\n\n  // Pressing enter in the filter selects the first element in the list.\n  jumpFilter?.addEventListener('keydown', function (event) {\n    const upArrow = 38;\n    const downArrow = 40;\n    const enterKey = 13;\n    switch (event.which) {\n      case upArrow:\n        incActiveJumpItem(-1);\n        event.preventDefault();\n        break;\n      case downArrow:\n        incActiveJumpItem(1);\n        event.preventDefault();\n        break;\n      case enterKey:\n        if (activeJumpItem >= 0) {\n          if (jumpList) {\n            (jumpList.children[activeJumpItem] as HTMLElement).click();\n            event.preventDefault();\n          }\n        }\n        break;\n    }\n  });\n\n  const shortcutsDialog = document.querySelector<HTMLDialogElement>('.ShortcutsDialog');\n\n  // - Pressing 'f' or 'F' opens the jump-to-symbol dialog.\n  // - Pressing '?' opens up the shortcut dialog.\n  // Ignore a keypress if a dialog is already open, or if it is pressed on a\n  // component that wants to consume it.\n  keyboard\n    .on('f', 'open jump to modal', e => {\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      e.preventDefault();\n      if (jumpFilter) {\n        jumpFilter.value = '';\n      }\n      jumpDialog?.showModal?.();\n      jumpFilter?.focus();\n      updateJumpList('');\n    })\n    .on('?', 'open shortcuts modal', () => {\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      shortcutsDialog?.showModal?.();\n    });\n\n  const jumpOutlineInput = document.querySelector('.js-jumpToInput');\n  if (jumpOutlineInput) {\n    jumpOutlineInput.addEventListener('click', () => {\n      if (jumpFilter) {\n        jumpFilter.value = '';\n      }\n      updateJumpList('');\n      if (jumpDialog?.open || shortcutsDialog?.open) {\n        return;\n      }\n      jumpDialog?.showModal?.();\n      jumpFilter?.focus();\n    });\n  }\n\n  document.querySelector('.js-openShortcuts')?.addEventListener('click', () => {\n    shortcutsDialog?.showModal?.();\n  });\n}\n", "/**\n * @license\n * Copyright 2022 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Left Navigation.\n */\nexport const initJumpLinks = async function () {\n  const pagesWithJumpLinks = ['/about'];\n  if (!pagesWithJumpLinks.includes(window.location.pathname)) {\n    // stop the file from doing anything else if the page doesn't have jumplinks\n    return;\n  }\n\n  // these might be generated or not so don't grab references to the elements until actually need them.\n  const titles = 'h2, h3, h4';\n  const nav = '.LeftNav a';\n  // these are always in the dom so we can get them now and throw errors if they're not.\n  const leftNav = document.querySelector('.LeftNav');\n  const siteContent = document.querySelector('.go-Content');\n  let isObserverDisabled = false;\n\n  /**\n   * El function\n   * @example el('h1', {className: 'title'}, 'Welcome to the site');\n   * @example el('ul', {className: 'list'}, el('li', {}, 'Item one'), el('li', {}, 'Item two'), el('li', {}, 'Item three'));\n   * @example el('img', {src: '/url.svg'});\n   */\n  function el(\n    type = '',\n    props: { [key: string]: string } = {},\n    ...children: (HTMLElement | HTMLElement[] | string | undefined)[]\n  ) {\n    // Error, no type declared.\n    if (!type) {\n      throw new Error('Provide `type` to create document element.');\n    }\n\n    // Create element with optional attribute props\n    const docEl = Object.assign(document.createElement(type), props);\n\n    // Children: array containing strings or elements\n    children.forEach(child => {\n      if (typeof child === 'string') {\n        docEl.appendChild(document.createTextNode(child));\n      } else if (Array.isArray(child)) {\n        child.forEach(c => docEl.appendChild(c));\n      } else if (child instanceof HTMLElement) {\n        docEl.appendChild(child);\n      }\n    });\n\n    return docEl;\n  }\n  /**  Build Nav if data hydrate is present. */\n  function buildNav() {\n    return new Promise((resolve, reject) => {\n      let navItems: { id: string; label: string; subnav?: { id: string; label: string }[] }[] = [];\n      let elements: HTMLElement[] = [];\n\n      if (!siteContent || !leftNav) {\n        return reject('.SiteContent not found.');\n      }\n      if (leftNav instanceof HTMLElement && !leftNav?.dataset?.hydrate) {\n        return resolve(true);\n      }\n\n      for (const title of siteContent.querySelectorAll(titles)) {\n        if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n          switch (title.tagName) {\n            case 'H2':\n              navItems = [\n                ...navItems,\n                {\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                },\n              ];\n              break;\n\n            case 'H3':\n            case 'H4':\n              if (!navItems[navItems.length - 1]?.subnav) {\n                navItems[navItems.length - 1].subnav = [\n                  {\n                    id: title.id,\n                    label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                  },\n                ];\n              } else if (navItems[navItems.length - 1].subnav) {\n                navItems[navItems.length - 1].subnav?.push({\n                  id: title.id,\n                  label: title?.dataset?.title ? title.dataset.title : title.textContent ?? '',\n                });\n              }\n              break;\n          }\n        }\n      }\n\n      for (const navItem of navItems) {\n        const link = el('a', { href: '#' + navItem.id }, el('span', {}, navItem.label));\n        elements = [...elements, link];\n        if (navItem?.subnav) {\n          let subLinks: HTMLElement[] = [];\n          for (const subnavItem of navItem.subnav) {\n            const subItem = el(\n              'li',\n              {},\n              el(\n                'a',\n                { href: '#' + subnavItem.id },\n                el('img', { src: '/static/frontend/about/dot.svg', width: '5', height: '5' }),\n                el('span', {}, subnavItem.label)\n              )\n            );\n            subLinks = [...subLinks, subItem];\n          }\n          const list = el('ul', { className: 'LeftSubnav' }, subLinks);\n          elements = [...elements, list];\n        }\n      }\n\n      elements.forEach(element => leftNav.appendChild(element));\n\n      return resolve(true);\n    });\n  }\n  /**\n   * Set the correct active element.\n   */\n  function setNav() {\n    return new Promise(resolve => {\n      if (!document.querySelectorAll(nav)) return resolve(true);\n      for (const a of document.querySelectorAll(nav)) {\n        if (a instanceof HTMLAnchorElement && a.href === location.href) {\n          setElementActive(a);\n          break;\n        }\n      }\n      resolve(true);\n    });\n  }\n  /** resetNav: removes all .active from nav elements */\n  function resetNav() {\n    return new Promise(resolve => {\n      if (!document.querySelectorAll(nav)) return resolve(true);\n      for (const a of document.querySelectorAll(nav)) {\n        a.classList.remove('active');\n      }\n      resolve(true);\n    });\n  }\n  /** setElementActive: controls resetting nav and highlighting the appropriate nav items */\n  function setElementActive(element: HTMLAnchorElement) {\n    if (element instanceof HTMLAnchorElement) {\n      resetNav().then(() => {\n        element.classList.add('active');\n        const parent = element?.parentNode?.parentNode;\n        if (parent instanceof HTMLElement && parent?.classList?.contains('LeftSubnav')) {\n          parent.previousElementSibling?.classList.add('active');\n        }\n      });\n    }\n  }\n  /** setLinkManually: disables observer and selects the clicked nav item. */\n  function setLinkManually() {\n    delayObserver();\n    const link = document.querySelector('[href=\"' + location.hash + '\"]');\n    if (link instanceof HTMLAnchorElement) {\n      setElementActive(link);\n    }\n  }\n  /** delayObserver: Quick on off switch for intersection observer. */\n  function delayObserver() {\n    isObserverDisabled = true;\n    setTimeout(() => {\n      isObserverDisabled = false;\n    }, 200);\n  }\n  /** observeSections: kicks off observation of titles as well as manual clicks with hashchange */\n  function observeSections() {\n    window.addEventListener('hashchange', setLinkManually);\n\n    if (siteContent?.querySelectorAll(titles)) {\n      const callback: IntersectionObserverCallback = entries => {\n        if (!isObserverDisabled && Array.isArray(entries) && entries.length > 0) {\n          for (const entry of entries) {\n            if (entry.isIntersecting && entry.target instanceof HTMLElement) {\n              const { id } = entry.target;\n              const link = document.querySelector('[href=\"#' + id + '\"]');\n              if (link instanceof HTMLAnchorElement) {\n                setElementActive(link);\n              }\n              break;\n            }\n          }\n        }\n      };\n      // rootMargin is important when multiple sections are in the observable area **on page load**.\n      // they will still be highlighted on scroll because of the root margin.\n      const ob = new IntersectionObserver(callback, {\n        threshold: 0,\n        rootMargin: '0px 0px -50% 0px',\n      });\n      for (const title of siteContent.querySelectorAll(titles)) {\n        if (title instanceof HTMLElement && !title?.dataset?.ignore) {\n          ob.observe(title);\n        }\n      }\n    }\n  }\n\n  try {\n    await buildNav();\n    await setNav();\n    if (location.hash) {\n      delayObserver();\n    }\n    observeSections();\n  } catch (e) {\n    if (e instanceof Error) {\n      console.error(e.message);\n    } else {\n      console.error(e);\n    }\n  }\n};\n", "/**\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { registerHeaderListeners, registerSearchFormListeners } from 'static/shared/header/header';\nimport { CarouselController } from 'static/shared/carousel/carousel';\nimport { ClipboardController } from 'static/shared/clipboard/clipboard';\nimport { ToolTipController } from 'static/shared/tooltip/tooltip';\nimport { SelectNavController } from 'static/shared/outline/select';\nimport { ModalController } from 'static/shared/modal/modal';\nimport { initModals } from 'static/shared/jump/jump';\n\nimport { keyboard } from 'static/shared/keyboard/keyboard';\nimport * as analytics from 'static/shared/analytics/analytics';\nimport { initJumpLinks } from './about/index';\n\nwindow.addEventListener('load', () => {\n  for (const el of document.querySelectorAll<HTMLButtonElement>('.js-clipboard')) {\n    new ClipboardController(el);\n  }\n\n  for (const el of document.querySelectorAll<HTMLDialogElement>('.js-modal')) {\n    new ModalController(el);\n  }\n\n  for (const t of document.querySelectorAll<HTMLDetailsElement>('.js-tooltip')) {\n    new ToolTipController(t);\n  }\n\n  for (const el of document.querySelectorAll<HTMLSelectElement>('.js-selectNav')) {\n    new SelectNavController(el);\n  }\n\n  for (const el of document.querySelectorAll<HTMLSelectElement>('.js-carousel')) {\n    new CarouselController(el);\n  }\n\n  for (const el of document.querySelectorAll('.js-toggleTheme')) {\n    el.addEventListener('click', () => {\n      toggleTheme();\n    });\n  }\n\n  if (document.querySelector<HTMLElement>('.js-gtmID')?.dataset.gtmid && window.dataLayer) {\n    analytics.func(function () {\n      removeUTMSource();\n    });\n  } else {\n    removeUTMSource();\n  }\n\n  registerHeaderListeners();\n  registerSearchFormListeners();\n  initModals();\n  initJumpLinks();\n  registerCookieNotice();\n});\n\n// Pressing '/' focuses the search box\nkeyboard.on('/', 'focus search', e => {\n  const searchInput = Array.from(\n    document.querySelectorAll<HTMLInputElement>('.js-searchFocus')\n  ).pop();\n  // Favoring the Firefox quick find feature over search input\n  // focus. 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+  "names": ["registerHeaderListeners", "header", "menuItemHover", "e", "target", "forced", "toggleForcedOpen", "_a", "_b", "isForced", "currentTarget", "closeSubmenuOnEsc", "event", "forcedOpenItem", "headerbuttons", "button", "isActive", "handleNavigationDrawerInactive", "handleNavigationDrawerActive", "scrim", "subnav", "getNavigationDrawerMenuItems", "navigationDrawer", "menuItems", "anchorEl", "getNavigationDrawerIsSubnav", "parentMenuItem", "item", "handleMenuItemTabLeftFactory", "handleMenuItemTabRightFactory", "prepMobileNavigationDrawer", "isSubnav", "parentLi", "submenu", "drawer", "registerSearchFormListeners", "searchForm", "expandSearch", "input", "headerLogo", "menuButton", "CarouselController", "el", "index", "d", "s", "_a", "i", "v", "_b", "arrows", "dots", "li", "button", "ClipboardController", "el", "_a", "_b", "_c", "_d", "_e", "e", "TOOLTIP_SHOW_DURATION_MS", "text", "durationMs", "ToolTipController", "el", "e", "SelectNavController", "el", "e", "target", "href", "ModalController", "el", "button", "_a", "btn", "track", "event", "category", "action", "label", "_a", "func", "fn", "KeyboardController", "key", "description", "callback", "options", "_a", "_b", "handler", "t", "track", "keyboard", "initModals", "_a", "jumpDialog", "jumpBody", "jumpList", "jumpFilter", "doc", "jumpListItems", "collectJumpListItems", "items", "el", "newJumpListItem", "item", "a", "b", "name", "kind", "lastFilterValue", "activeJumpItem", "updateJumpList", "filter", "setActiveJumpItem", "filterLowerCase", "exactMatches", "prefixMatches", "infixMatches", "makeLinkHtml", "boldStart", "boldEnd", "nameLowerCase", "index", "msg", "n", "cs", "activeTop", "activeBottom", "incActiveJumpItem", "delta", "event", "shortcutsDialog", "keyboard", "e", "jumpOutlineInput", "initJumpLinks", "titles", "nav", "leftNav", "siteContent", "isObserverDisabled", "el", "type", "props", "children", "docEl", "child", "c", "buildNav", "resolve", "reject", "_a", "_b", "_c", "_d", "_e", "_f", "_g", "_h", "_i", "_j", "navItems", "elements", "title", "navItem", "link", "subLinks", "subnavItem", "subItem", "list", "element", "setNav", "a", "setElementActive", "resetNav", "parent", "setLinkManually", "delayObserver", "observeSections", "callback", "entries", "entry", "id", "ob", "e", "_a", "el", "ClipboardController", "ModalController", "t", "ToolTipController", "SelectNavController", "CarouselController", "toggleTheme", "func", "removeUTMSource", "registerHeaderListeners", "registerSearchFormListeners", "initModals", "initJumpLinks", "registerCookieNotice", "keyboard", "e", "searchInput", "canonicalURLPath", "fragment", "track", "urlParams", "utmSource", "newURL", "nextTheme", "theme", "domain", "notice", "button"]
 }
diff --git a/static/frontend/frontend.min.css b/static/frontend/frontend.min.css
index b48fd6a..81aaf86 100644
--- a/static/frontend/frontend.min.css
+++ b/static/frontend/frontend.min.css
@@ -3,7 +3,7 @@
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file.
  */
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li:last-child>a{color:var(--color-text-subtle)}.go-Breadcrumb li>.go-Clipboard{margin:0 .5rem}.go-Carousel{align-items:center;display:flex;flex-direction:column;position:relative;text-align:center}.go-Carousel-slide{margin:.5rem 3rem}.go-Carousel-slide[aria-hidden]{display:none}.go-Carousel-prevSlide{left:0}.go-Carousel-nextSlide{right:0}.go-Carousel-prevSlide,.go-Carousel-nextSlide{background-color:transparent;border-radius:var(--border-radius);font-size:1.5rem;height:2.75rem;margin-top:-.7rem;opacity:0;position:absolute;top:50%;width:2.75rem}.go-Carousel-prevSlide:hover,.go-Carousel-nextSlide:hover{background-color:var(--color-background-accented);cursor:pointer}.go-Carousel:hover .go-Carousel-prevSlide,.go-Carousel:hover .go-Carousel-nextSlide,.go-Carousel:focus-within .go-Carousel-prevSlide,.go-Carousel:focus-within 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.3rem;position:absolute;text-transform:uppercase;top:.125rem;white-space:nowrap;z-index:1000}.go-Clipboard:after{border-bottom:.25rem solid transparent;border-left:0;border-right:.25rem solid var(--color-background-inverted);border-top:.25rem solid transparent;content:"";display:block;position:absolute;right:-.125rem;top:.5625rem;z-index:1000}.go-Clipboard:not([data-tooltip]):before,.go-Clipboard:not([data-tooltip]):after,.go-Clipboard[data-tooltip=""]:before,.go-Clipboard[data-tooltip=""]:after{display:none}:root{--gray-1: #202224;--gray-2: #3e4042;--gray-3: #555759;--gray-4: #6e7072;--gray-5: #848688;--gray-6: #aaacae;--gray-7: #c6c8ca;--gray-8: #dcdee0;--gray-9: #f0f1f2;--gray-10: #f8f8f8;--turq-light: #5dc9e2;--turq-med: #50b7e0;--turq-dark: #007d9c;--turq-bright: #00769c;--blue: #bfeaf4;--blue-light: #f2fafd;--black: #000;--green: #3a6e11;--green-light: #5fda64;--pink: #c85e7a;--pink-light: #fdecf1;--purple: #542c7d;--slate: #253443;--white: #fff;--yellow: #fceea5;--yellow-light: 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var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}}.go-Footer{background-color:var(--color-background-inverted);color:var(--color-text-inverted);font-size:.875rem;width:100%}[data-local=true] .go-Footer{display:none}.go-Footer-links{display:flex;flex-wrap:wrap;justify-content:space-between;margin:auto;max-width:75.75rem;padding:2rem 1.5rem 2.625rem}.go-Footer-linkColumn{flex:0 0 9.5rem}.go-Footer .go-Footer-link{color:var(--color-text-inverted);display:flex;flex:1;font-size:.875rem;line-height:2rem}.go-Footer .go-Footer-link--primary{font-size:1.125rem;line-height:1.75rem;margin-bottom:.5rem;margin-top:.75rem}.go-Footer-listItem p{color:var(--color-text-inverted);font-size:.875rem}.go-Footer-bottom{align-items:center;border-top:var(--border);display:flex;margin:0 1.5rem;min-height:4.125rem}.go-Footer-gopher{align-self:flex-end;height:3.147rem;width:5rem}.go-Footer-listRow{display:flex;flex:1;flex-wrap:wrap;list-style:none;margin:0;padding:0;text-align:center}.go-Footer-listItem{align-items:center;display:flex;flex:1 100%;justify-content:center;margin:.4rem 0;padding:0 1rem}.go-Footer-listItem a:link,.go-Footer-listItem a:visited{color:var(--color-text-inverted)}.go-Footer-listItem .go-Button--text{background-color:transparent;font-size:1rem;margin:-.5rem 0}.go-Footer-listItem [data-value]{display:none}[data-theme=auto] .go-Footer-listItem [data-value=auto],:root:not([data-theme]) .go-Footer-listItem [data-value=auto]{display:initial}[data-theme=dark] .go-Footer-listItem [data-value=dark],[data-theme=light] .go-Footer-listItem [data-value=light]{display:initial}.go-Footer-toggleTheme,.go-Footer-keyboard{margin:0 0 .5rem}.go-Footer-googleLogo{align-self:flex-end;height:1.5rem;margin-bottom:1.3rem;text-align:right}.go-Footer-googleLogoImg{height:1.5rem;width:4.529rem}@media only screen and (min-width: 52rem){.go-Footer-listItem{flex:initial}.go-Footer-listItem+.go-Footer-listItem{border-left:var(--border)}.go-Footer-toggleTheme{margin:0 0 0 -.5rem}.go-Footer-keyboard{margin:0}}select:focus:not([disabled]),input:focus:not([disabled]){border-color:var(--color-brand-primary);box-shadow:var(--focus-box-shadow);outline:transparent;z-index:2}input::placeholder{color:var(--color-text-subtle)}.go-Form{align-items:start;display:flex;flex-direction:column;gap:1rem}.go-Label{display:flex;flex-direction:column;gap:.5rem}.go-Label--inline{align-items:center;flex-direction:row}.go-Label legend{margin-bottom:.5rem}.go-Label--inline legend{float:left;margin-bottom:0}.go-Input,.go-Select{background:var(--color-input);border:var(--border);border-radius:var(--border-radius);color:var(--color-input-text)}.go-Input{padding:.4063rem .5rem}.go-Select{appearance:none;background:url(/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg) right no-repeat;background-color:var(--color-background);background-position:right center;border-radius:var(--border-radius);margin:0;padding:.3438rem 1.25rem .3438rem .5rem}.go-InputGroup{display:flex}.go-InputGroup .go-Input{flex:1}.go-InputGroup>:not(:first-child,:last-child){border-radius:0;margin-left:-.0625rem}.go-InputGroup>:first-child{border-bottom-right-radius:0;border-top-right-radius:0}.go-InputGroup>:last-child{border-bottom-left-radius:0;border-top-left-radius:0;margin-left:-.0625rem}.go-InputGroup>*:hover,.go-InputGroup>*:focus{z-index:1}.go-ShortcutKey{display:flex;position:relative}.go-ShortcutKey .go-Input{flex-grow:1}.go-ShortcutKey:after{align-self:center;background-color:var(--color-background-accented);border-radius:.5rem;color:var(--gray-6);content:attr(data-shortcut);content:attr(data-shortcut) / attr(data-shortcut-alt);display:none;font-size:.75rem;padding:.0625rem 0;position:absolute;right:.75rem;text-align:center;width:1.5rem;z-index:1}@media only screen and (min-width: 52rem){.go-ShortcutKey:after{display:initial}}.go-GopherMessage img{display:block;height:15rem;margin:0 auto;padding:1.25rem 0;width:15rem}.go-GopherMessage p{font-weight:600;margin:auto;text-align:center}.go-Banner{background-color:var(--gray-1);display:none}.go-Banner-inner{align-items:center;display:flex;justify-content:space-between;margin:0 auto;min-height:2.5rem;padding:.5rem var(--gutter)}.Site--wide .go-Banner-inner{max-width:98rem}.go-Banner--full .go-Banner-inner{max-width:unset}.go-Banner-message{color:var(--white);margin-right:1.25rem}.go-Banner-action:link,.go-Banner-action:visited{color:var(--white);text-decoration:underline;white-space:nowrap}@media only screen and (min-width: 52rem){.go-Banner{display:block}}.go-Header{background:#007d9c;border-bottom:none;box-shadow:0 .0625rem .125rem #ababab4d;top:0;width:100%;z-index:20}.go-Header-inner{margin:0 auto;padding:0 var(--gutter)}.Site--wide .go-Header-inner{max-width:98rem}.go-Header--full .go-Header-inner{max-width:initial}.go-Header-nav{align-items:center;display:flex;height:3.5rem;justify-content:space-between}.go-Header-rightContent{align-items:center;display:flex;height:100%;justify-content:flex-end;width:100%}.go-Header-rightContent form{flex-grow:1}.go-Header-inner--dark{border-bottom:none;color:var(--white)}.go-Header-logo{display:block;height:2rem;margin-right:2.25rem;width:5.125rem}.go-Header-logo--hidden{display:none}.go-Header-menuItem{display:none;position:relative}.go-Header-menu{align-items:stretch;display:flex;height:100%;list-style:none;margin:0;padding:0}[data-local=true] .go-Header-menu{display:none}.go-Header-submenu{background:transparent;background-color:var(--color-background);border:.0625rem solid #007d9d;border-width:0 .0625rem .0625rem;color:var(--color-text);display:none;flex-flow:column wrap;list-style-type:none;margin-top:3.5rem;opacity:0;padding:1.5rem 1.5rem 0;position:absolute;transition:all .2s ease;visibility:hidden}.go-Header-menuItem:hover>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu,.go-Header-menuItem:focus-within>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu{display:flex;opacity:1;visibility:visible}.go-Header-menuItem .go-Header-submenuItem a:link,.go-Header-menuItem .go-Header-submenuItem a:visited{align-items:baseline;border-bottom:none;color:var(--color-text-link);display:inline-flex;font-weight:400;margin:0;margin-bottom:-.125rem;padding:0}.go-Header-menuItem .go-Icon{filter:brightness(0%) saturate(100%) invert(100%);font-size:1.25rem}.go-Header-menuItem .go-Header-submenuItem .go-Icon,.go-NavigationDrawer-listItem .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg) brightness(71%) contrast(177%)}.go-Header-submenu .go-Header-submenuItem i{font-size:.75rem;margin-left:.25rem;transform:translateY(.1rem)}.go-Header-menu .go-Header-submenu--why{left:-.0625rem;width:18.5rem}.go-Header-menu .go-Header-submenu--docs{height:20.78rem;left:-12rem;width:37.25rem}.go-Header-menu .go-Header-submenu--community{height:18.4rem;right:-.0625rem;width:37.25rem}.go-Header-socialIcons{display:flex;flex-wrap:wrap}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon{display:inline-flex;flex:0 1 auto;width:auto}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child){margin-right:.75rem}@media only screen and (min-width: 65rem){.go-Header-menuItem{align-items:stretch;display:inline-flex;flex:none}.go-Header-menu{justify-content:flex-end}.go-Header-navOpen{display:none}}.go-Header-menuItem .js-desktop-menu-hover img{pointer-events:none}.go-Header-menuItem a:link,.go-Header-menuItem a:visited{align-items:center;border-bottom:.1875rem solid transparent;border-top:.1875rem solid transparent;color:var(--color-text);display:inline-flex;padding:0 1.5rem;text-align:center;text-decoration:none;width:100%}.go-Header-menuItem--active a:link,.go-Header-menuItem--active a:visited{border-bottom-color:var(--turq-med);font-weight:700}.go-Header-menuItem 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a:visited{display:block;margin:0 1rem;padding:.5rem}.go-NavigationDrawer-listItem>span{color:var(--gray-2)}.go-Header-inner--dark .go-Header-menuItem a:link,.go-Header-inner--dark .go-Header-menuItem a:visited{color:var(--white)}.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav>a i{float:right}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem{color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded{background-color:var(--white);color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited{align-items:baseline;color:var(--color-text-link);display:inline-flex;margin-bottom:-.125rem;width:auto}.go-Header-submenu .go-Header-submenuItem a:link,.go-Header-submenu .go-Header-submenuItem a:visited{border-bottom:none;font-weight:400;margin:0;padding:0}.go-Header-submenu .go-Header-submenuItem 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url(/images/menu-24px.svg);border:none;height:2.5rem;margin-left:1rem;width:2.5rem}.go-Header-navOpen--hidden{display:none}.go-Header-navOpen--white{background:no-repeat center/2rem url(/static/shared/icon/menu_gm_grey_24dp.svg);filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}.go-SearchForm--expanded{flex-grow:1}.go-SearchForm-form{display:none}.go-SearchForm-form:after{right:2.75rem}.go-SearchForm--expanded .go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{appearance:none;background:none;font-size:1.5rem}.go-SearchForm--expanded .go-SearchForm-expandSearch{display:none}@media only screen and (min-width: 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.go-NavigationDrawer-header>a{display:flex;margin-left:0}.go-NavigationDrawer-logo{display:block;height:2rem;margin:1rem;width:5.125rem}.go-NavigationDrawer-list{list-style:none;margin:0;padding:0}.go-NavigationDrawer-listItem{color:var(--color-text-subtle);font-size:1.125rem;margin:0 .5rem}.go-NavigationDrawer-listItem--active{background-color:var(--blue);border-radius:.4rem}.go-NavigationDrawer-listItem .material-icons{color:var(--color-brand-primary);display:inline-block;margin-right:.5rem;text-decoration:none;vertical-align:sub}@media only screen and (max-width: 57.7rem){.go-NavigationDrawer-listItem .go-Header-socialIcons{padding:.5rem 0}.go-NavigationDrawer-listItem a.go-Header-socialIcon{display:inline-block;margin:0;padding:0 .5rem}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}}.go-NavigationDrawer-scrim{display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:20}.go-NavigationDrawer.is-active+.go-NavigationDrawer-scrim{background-color:var(--gray-1);display:block;opacity:.32}.skip-to-content-link{background:var(--color-background);border-radius:.375rem;clip:rect(0 0 0 0);color:var(--color-text);font-weight:500;left:8%;margin:.313rem;overflow:hidden;position:absolute;top:.75rem}.skip-to-content-link:focus{clip:unset;z-index:1}.depsdev-Icon{height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon{filter:none;height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon--accented{filter:brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%) contrast(101%)}.go-Icon--inverted{filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%);@media (forced-colors: active) and (prefers-color-scheme: light){filter:brightness(500%) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}}[data-theme=dark] .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon--accented{filter:brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%) contrast(88%)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}:root:not([data-theme=light]) .go-Icon--accented{filter:brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%) contrast(101%)}}.go-Message{color:var(--color-text);font-size:.875rem;line-height:1.5rem;padding:.25rem .5rem;width:100%}.go-Message--notice{background-color:var(--color-background-info)}.go-Message--warning{background-color:var(--color-background-warning);color:var(--gray-1)}.go-Message--alert{background-color:var(--color-background-alert)}.go-Message>.go-Icon{vertical-align:text-top}[data-theme=dark] .go-Message a:not(:hover){color:var(--color-text);text-decoration:underline}[data-theme=dark] .go-Message--warning .go-Icon{filter:none}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .go-Message--warning .go-Icon{filter:none}}dialog{position:absolute;left:0;right:0;width:-moz-fit-content;width:-webkit-fit-content;width:fit-content;height:-moz-fit-content;height:-webkit-fit-content;height:fit-content;margin:auto;border:solid;padding:1em;background:white;color:#000;display:block}dialog:not([open]){display:none}dialog+.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.1)}._dialog_overlay{position:fixed;inset:0}dialog.fixed{position:fixed;top:50%;transform:translateY(-50%)}.go-Modal{background:var(--color-background);border:var(--border);border-radius:var(--border-radius);bottom:0;box-shadow:var(--box-shadow);color:var(--color-text);display:flex;flex-direction:column;gap:1rem;max-height:100%;max-width:100%;position:fixed;top:0}.go-Modal>form{display:contents}.go-Modal--small{width:20rem}.go-Modal--md{width:30rem}.go-Modal--lg{width:40rem}.go-Modal-header{display:flex;justify-content:space-between}.go-Modal-header h2{font-size:1.15rem;line-height:1.25rem}.go-Modal-body{flex-grow:1;min-height:2rem;min-width:18rem}.go-Modal-actions{text-align:right}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Modal{padding-bottom:0}}}.go-Tree{--js-tree-height: 0;display:flex;flex-direction:column}.go-Tree ul{list-style:none;padding-left:0}.go-Tree li:last-of-type{padding-bottom:.25rem}.go-Tree a+ul{display:none}.go-Tree a[aria-expanded=true]+ul[role=group]{display:block}.go-Tree a[aria-level="1"]+ul[role=group]{max-height:calc(100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem);overflow-y:auto;padding:.5rem .25rem 0}.go-Tree a{color:var(--color-text-subtle);display:block;line-height:1.5rem;overflow:hidden;padding:.125rem 0 .125rem 1.25rem;position:relative;text-overflow:ellipsis;user-select:none;white-space:nowrap}.go-Tree>li>a,.go-Tree a[aria-level="1"]{display:block;font-size:1rem;font-weight:500;line-height:2.5rem;padding:0 1rem}.go-Tree a:focus,.go-Tree a:hover{text-decoration:underline;z-index:1}.go-Tree a[aria-selected=true]{color:var(--color-text);font-weight:500}.go-Tree a[aria-level="1"][aria-selected=true],.go-Tree a[aria-level="1"][aria-expanded=true]{background-color:var(--color-background-accented)}.go-Tree a[aria-level="3"][aria-expanded=true]{margin-bottom:.375em}.go-Tree a[aria-level="2"]{margin-bottom:.25rem;position:relative}.go-Tree a[aria-level="3"]{padding-left:2.5rem}.go-Tree a[aria-level="4"]{border-left:.125rem solid var(--color-background-accented);margin-left:2.5rem;padding-left:.5rem}.go-Tree a[aria-selected=true][aria-level="2"]:not([aria-expanded]):before,.go-Tree a[aria-selected=true][aria-level="3"]:not([aria-expanded]):before{background-color:var(--color-brand-primary);border-radius:50%;content:"";display:block;height:.3125rem;left:.4688rem;position:absolute;top:.75rem;width:.3125rem}.go-Tree a[aria-expanded][aria-owns][aria-level="2"]:before,.go-Tree a[aria-expanded][aria-owns][aria-level="3"]:before{border-bottom:.25rem solid transparent;border-left:.25rem solid var(--color-border);border-right:0;border-top:.25rem solid transparent;content:"";display:block;height:0;left:.5rem;position:absolute;top:.625rem;transition:transform .1s linear;width:0}.go-Tree a[aria-expanded=true][aria-level="2"]:before,.go-Tree a[aria-expanded=true][aria-level="3"]:before{transform:rotate(90deg)}.go-Tree a[aria-expanded][aria-level="3"]:not([empty]):before,.go-Tree a[aria-selected][aria-level="3"]:not([empty]):before{left:1.5rem;top:.75rem}.go-Tree a[aria-selected=true][aria-level="4"]{border-left:.125rem solid var(--color-brand-primary)}.go-TabNav{margin:0 0 .5rem}.go-TabNav ul{display:flex;gap:2rem}.go-TabNav li{border-bottom:.25rem transparent solid;display:flex;font-size:1rem;height:2.375rem;padding:0 .25rem}.go-TabNav li[aria-current],.go-TabNav li:hover{border-color:var(--color-brand-primary)}.go-TabNav a{align-items:center;color:var(--color-text-subtle);display:inline-flex}.go-TabNav li:hover a{text-decoration:none}.go-TabNav li[aria-current] a{color:var(--color-text)}.go-Tooltip{border-radius:var(--border-radius);cursor:pointer;display:inline-block;position:relative}.go-Tooltip>summary{list-style:none}.go-Tooltip>summary::-webkit-details-marker,.go-Tooltip>summary::marker{display:none}.go-Tooltip>summary>img{vertical-align:text-bottom}.go-Tooltip p{background:var(--color-background) 80%;border:var(--border);border-radius:var(--border-radius);color:var(--color-text);font-size:.75rem;letter-spacing:.0187rem;line-height:1rem;padding:.5rem;position:absolute;top:1.5rem;white-space:normal;width:12rem;z-index:100}:root{--gutter: 1.5rem;--gap: 1rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem );--border: .0625rem solid var(--color-border);--border-radius: .25rem;--box-shadow: 0 0 .375rem 0 rgb(0 0 0 / 25%);--focus-box-shadow: 0 0 .0625rem .0625rem rgb(0 112 210 / 60%)}[data-theme=dark]{--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}}@media (min-width: 50rem){:root{--gap: 2rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem )}}*:target{scroll-margin-top:var(--scroll-margin)}body{background-color:var(--color-background);display:flex;flex-direction:column;min-height:100vh;min-width:23.5rem;-webkit-overflow-scrolling:touch}.go-Container{display:flex;flex-direction:column;flex-grow:1;height:100%;margin-bottom:5rem}.go-Content{display:flex;flex-flow:column;gap:1rem;margin:0 auto;max-width:63rem;min-height:32rem;padding:2rem var(--gutter);width:100%}.go-Content--center{justify-content:center;margin:auto}.JumpDialog-body{height:12rem;overflow-y:auto}.JumpDialog-list{display:flex;flex-direction:column}.JumpDialog-input{width:100%}.JumpDialog a{padding:.25rem;text-decoration:none}.JumpDialog .JumpDialog-active{background-color:var(--color-brand-primary);color:var(--white)}.ShortcutsDialog-key{text-align:right}.ShortcutsDialog table{padding:0 1rem}.ShortcutsDialog td{padding-bottom:.5rem;padding-left:.5rem}.ShortcutsDialog-theme span{display:none}[data-theme=light] .ShortcutsDialog-themeLight,[data-theme=dark] .ShortcutsDialog-themeDark,[data-theme=""] .ShortcutsDialog-themeAuto,[data-theme=auto] .ShortcutsDialog-themeAuto{display:initial}.Cookie-notice{align-items:center;background-color:var(--color-background);border-top:var(--border);bottom:0;color:var(--color-text);display:none;gap:1rem;justify-content:center;left:0;padding:1rem;position:fixed;right:0;z-index:100}.Cookie-notice--visible{display:flex}
+html,body,button,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,hr,input,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,dialog,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{border:0;font:inherit;font-size:100%;margin:0;padding:0;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}table{border-collapse:collapse;border-spacing:0}*,:before,:after{box-sizing:border-box}body{color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:1rem;line-height:normal}h1{font-size:1.5rem}h2{font-size:1.375rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}h1,h2,h3,h4{font-weight:600;line-height:1.25em;word-break:break-word}h5,h6{font-weight:500;line-height:1.3em;word-break:break-word}hr{border:none;border-bottom:var(--border);margin:0;width:100%}p{font-size:1rem;line-height:1.5rem;max-width:60rem}strong{font-weight:600}.go-textSubtle{color:var(--color-text-subtle)}.go-textTitle{font-size:1.125rem;font-weight:600;line-height:1.25rem}.go-textLabel{font-size:.875rem;font-weight:600;line-height:1rem}.go-textPagination{font-size:.875rem;line-height:1rem}code,pre,textarea.code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.875rem;line-height:1.5em}pre,textarea.code{background-color:var(--color-background-accented);border:var(--border);border-radius:var(--border-radius);color:var(--color-text);overflow-x:auto;padding:.625rem;tab-size:4;white-space:pre}button,input,select,textarea{font:inherit}a,a:link,a:visited{color:var(--color-brand-primary);text-decoration:none}a:hover,a:focus{color:var(--color-brand-primary);text-decoration:underline}a:hover>*{text-decoration:underline}button:focus:not([disabled]){border-color:var(--color-brand-primary);box-shadow:var(--focus-box-shadow);outline:transparent}.go-Button{align-items:center;background-color:var(--color-button);border:.0625rem solid transparent;border-radius:var(--border-radius);color:var(--color-button-text);cursor:pointer;display:inline-flex;font-weight:500;gap:.25rem}.go-Button:not(.go-Button--inline){padding:.5rem}.go-Button--accented{background-color:var(--color-button-accented);color:var(--color-button-accented-text)}.go-Button--inverted,.go-Button--text,.go-Button--inline{background-color:var(--color-button-inverted);color:var(--color-button-inverted-text)}.go-Button--inline{background-color:transparent}.go-Button--inverted{border:var(--border)}.go-Button:hover{box-shadow:var(--focus-box-shadow);filter:contrast(.95)}.go-Button--inline:hover{box-shadow:none;text-decoration:underline var(--color-button-inverted-text)}.go-Button:focus{filter:contrast(.95)}.go-Button--inverted:focus{border-color:var(--color-button-inverted-text)}.go-Button:active{box-shadow:none;filter:contrast(.85)}.go-Button:disabled{background-color:var(--color-button-disabled);box-shadow:none;color:var(--color-button-text-disabled);cursor:initial;filter:none;text-decoration:none}.go-Button--accented:disabled{background-color:var(--color-button-accented-disabled);color:var(--color-button-accented-text-disabled)}.go-Button--inverted:disabled,.go-Button--text:disabled,.go-Button--inline:disabled{background-color:var(--color-button-inverted-disabled);color:var(--color-button-inverted-text-disabled)}.go-Button--inline:disabled{background-color:transparent}.go-Breadcrumb ol{line-height:1.5rem;white-space:initial}.go-Breadcrumb li{align-items:center;color:var(--color-text-subtle);display:inline-flex;font-size:.875rem}.go-Breadcrumb li:not(:last-child):after{content:">";padding:0 .5rem}.go-Breadcrumb li:last-child>a{color:var(--color-text-subtle)}.go-Breadcrumb li>.go-Clipboard{margin:0 .5rem}.go-Carousel{align-items:center;display:flex;flex-direction:column;position:relative;text-align:center}.go-Carousel-slide{margin:.5rem 3rem}.go-Carousel-slide[aria-hidden]{display:none}.go-Carousel-prevSlide{left:0}.go-Carousel-nextSlide{right:0}.go-Carousel-prevSlide,.go-Carousel-nextSlide{background-color:transparent;border-radius:var(--border-radius);font-size:1.5rem;height:2.75rem;margin-top:-.7rem;opacity:0;position:absolute;top:50%;width:2.75rem}.go-Carousel-prevSlide:hover,.go-Carousel-nextSlide:hover{background-color:var(--color-background-accented);cursor:pointer}.go-Carousel:hover .go-Carousel-prevSlide,.go-Carousel:hover .go-Carousel-nextSlide,.go-Carousel:focus-within .go-Carousel-prevSlide,.go-Carousel:focus-within .go-Carousel-nextSlide{opacity:1}.go-Carousel-dots{display:flex;font-size:.4375rem;gap:.5rem}.go-Carousel-dot{background-color:var(--color-border);border-radius:2rem;height:.4375rem;margin-top:1rem;width:.4375rem}.go-Carousel-dot--active,.go-Carousel-dot:hover{background-color:var(--color-text-subtle);outline:.125rem solid var(--color-text)}.go-Carousel-dot:focus{outline:.063rem solid var(--color-text)!important}.go-Carousel-dot--active:focus{outline:.188rem solid var(--color-text)!important}.go-Carousel-obscured{border:0;clip:rect(0 0 0 0);height:.0625rem;margin:-.0625rem;overflow:hidden;padding:0;position:absolute;width:.0625rem}.go-Chip{background:var(--color-button);border:.0625rem solid var(--color-button);border-radius:1.25rem;color:var(--color-button-text);font-size:.75rem;padding:.125rem .625rem}.go-Chip--accented{background:var(--color-button-accented);border:.0625rem solid var(--color-button-accented);color:var(--color-button-accented-text)}.go-Chip--inverted{background:var(--color-button-inverted);border:var(--border);color:var(--color-text)}.go-Chip--highlighted{background:var(--color-background-highlighted-link);border-color:var(--color-background-highlighted-link);color:var(--color-brand-primary)}.go-Chip--alert{background:var(--pink);border:.0625rem solid var(--pink);color:var(--color-text-inverted)}.go-Chip--vuln{background:var(--pink-light);border:.0625rem solid var(--pink-light);color:var(--color-text-inverted)}.go-Chip--subtle{background-color:var(--color-background-accented);border-color:transparent;color:var(--color-text-subtle)}.go-Clipboard{position:relative}.go-Clipboard:before{background-color:var(--color-background-inverted);border-radius:var(--border-radius);color:var(--color-text-inverted);content:attr(data-tooltip);display:block;font-size:.9em;left:calc(100% + .125rem);padding:.25rem .3rem;position:absolute;text-transform:uppercase;top:.125rem;white-space:nowrap;z-index:1000}.go-Clipboard:after{border-bottom:.25rem solid transparent;border-left:0;border-right:.25rem solid var(--color-background-inverted);border-top:.25rem solid transparent;content:"";display:block;position:absolute;right:-.125rem;top:.5625rem;z-index:1000}.go-Clipboard:not([data-tooltip]):before,.go-Clipboard:not([data-tooltip]):after,.go-Clipboard[data-tooltip=""]:before,.go-Clipboard[data-tooltip=""]:after{display:none}:root{--gray-1: #202224;--gray-2: #3e4042;--gray-3: #555759;--gray-4: #6e7072;--gray-5: #848688;--gray-6: #aaacae;--gray-7: #c6c8ca;--gray-8: #dcdee0;--gray-9: #f0f1f2;--gray-10: #f8f8f8;--turq-light: #5dc9e2;--turq-med: #50b7e0;--turq-dark: #007d9c;--turq-bright: #00769c;--blue: #bfeaf4;--blue-light: #f2fafd;--black: #000;--green: #3a6e11;--green-light: #5fda64;--pink: #c85e7a;--pink-light: #fdecf1;--purple: #542c7d;--slate: #253443;--white: #fff;--yellow: #fceea5;--yellow-light: #fff8cc;--color-brand-primary: var(--turq-dark);--color-background: var(--white);--color-background-inverted: var(--slate);--color-background-accented: var(--gray-10);--color-background-highlighted: var(--blue);--color-background-highlighted-link: var(--blue-light);--color-background-info: var(--gray-9);--color-background-warning: var(--yellow-light);--color-background-alert: var(--pink-light);--color-border: var(--gray-7);--color-text: var(--gray-1);--color-text-subtle: var(--gray-4);--color-text-link: var(--turq-dark);--color-text-inverted: var(--white);--color-code-comment: var(--green);--color-bright-text-link: var(--turq-bright);--color-input: var(--color-background);--color-input-text: var(--color-text);--color-button: var(--turq-dark);--color-button-disabled: var(--gray-9);--color-button-text: var(--white);--color-button-text-disabled: var(--gray-3);--color-button-inverted: var(--color-background);--color-button-inverted-disabled: var(--color-background);--color-button-inverted-text: var(--color-brand-primary);--color-button-inverted-text-disabled: var(--color-text-subtle);--color-button-accented: var(--yellow);--color-button-accented-disabled: var(--gray-9);--color-button-accented-text: var(--gray-1);--color-button-accented-text-disabled: var(--gray-3)}[data-theme=dark]{--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light);--color-bright-text-link: var(--turq-med)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--color-brand-primary: var(--turq-med);--color-background: var(--gray-1);--color-background-accented: var(--gray-2);--color-background-highlighted: var(--gray-2);--color-background-highlighted-link: var(--gray-2);--color-background-info: var(--gray-3);--color-background-warning: var(--yellow);--color-background-alert: var(--pink);--color-border: var(--gray-4);--color-text: var(--gray-9);--color-text-link: var(--turq-med);--color-text-subtle: var(--gray-7);--color-code-comment: var(--green-light)}}.go-Footer{background-color:var(--color-background-inverted);color:var(--color-text-inverted);font-size:.875rem;width:100%}[data-local=true] .go-Footer{display:none}.go-Footer-links{display:flex;flex-wrap:wrap;justify-content:space-between;margin:auto;max-width:75.75rem;padding:2rem 1.5rem 2.625rem}.go-Footer-linkColumn{flex:0 0 9.5rem}.go-Footer .go-Footer-link{color:var(--color-text-inverted);display:flex;flex:1;font-size:.875rem;line-height:2rem}.go-Footer .go-Footer-link--primary{font-size:1.125rem;line-height:1.75rem;margin-bottom:.5rem;margin-top:.75rem}.go-Footer-listItem p{color:var(--color-text-inverted);font-size:.875rem}.go-Footer-bottom{align-items:center;border-top:var(--border);display:flex;margin:0 1.5rem;min-height:4.125rem}.go-Footer-gopher{align-self:flex-end;height:3.147rem;width:5rem}.go-Footer-listRow{display:flex;flex:1;flex-wrap:wrap;list-style:none;margin:0;padding:0;text-align:center}.go-Footer-listItem{align-items:center;display:flex;flex:1 100%;justify-content:center;margin:.4rem 0;padding:0 1rem}.go-Footer-listItem a:link,.go-Footer-listItem a:visited{color:var(--color-text-inverted)}.go-Footer-listItem .go-Button--text{background-color:transparent;font-size:1rem;margin:-.5rem 0}.go-Footer-listItem [data-value]{display:none}[data-theme=auto] .go-Footer-listItem [data-value=auto],:root:not([data-theme]) .go-Footer-listItem [data-value=auto]{display:initial}[data-theme=dark] .go-Footer-listItem [data-value=dark],[data-theme=light] .go-Footer-listItem [data-value=light]{display:initial}.go-Footer-toggleTheme,.go-Footer-keyboard{margin:0 0 .5rem}.go-Footer-googleLogo{align-self:flex-end;height:1.5rem;margin-bottom:1.3rem;text-align:right}.go-Footer-googleLogoImg{height:1.5rem;width:4.529rem}@media only screen and (min-width: 52rem){.go-Footer-listItem{flex:initial}.go-Footer-listItem+.go-Footer-listItem{border-left:var(--border)}.go-Footer-toggleTheme{margin:0 0 0 -.5rem}.go-Footer-keyboard{margin:0}}select:focus:not([disabled]),input:focus:not([disabled]){border-color:var(--color-brand-primary);box-shadow:var(--focus-box-shadow);outline:transparent;z-index:2}input::placeholder{color:var(--color-text-subtle)}.go-Form{align-items:start;display:flex;flex-direction:column;gap:1rem}.go-Label{display:flex;flex-direction:column;gap:.5rem}.go-Label--inline{align-items:center;flex-direction:row}.go-Label legend{margin-bottom:.5rem}.go-Label--inline legend{float:left;margin-bottom:0}.go-Input,.go-Select{background:var(--color-input);border:var(--border);border-radius:var(--border-radius);color:var(--color-input-text)}.go-Input{padding:.4063rem .5rem}.go-Select{appearance:none;background:url(/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg) right no-repeat;background-color:var(--color-background);background-position:right center;border-radius:var(--border-radius);margin:0;padding:.3438rem 1.25rem .3438rem .5rem}.go-InputGroup{display:flex}.go-InputGroup .go-Input{flex:1}.go-InputGroup>:not(:first-child,:last-child){border-radius:0;margin-left:-.0625rem}.go-InputGroup>:first-child{border-bottom-right-radius:0;border-top-right-radius:0}.go-InputGroup>:last-child{border-bottom-left-radius:0;border-top-left-radius:0;margin-left:-.0625rem}.go-InputGroup>*:hover,.go-InputGroup>*:focus{z-index:1}.go-ShortcutKey{display:flex;position:relative}.go-ShortcutKey .go-Input{flex-grow:1}.go-ShortcutKey:after{align-self:center;background-color:var(--color-background-accented);border-radius:.5rem;color:var(--gray-6);content:attr(data-shortcut);content:attr(data-shortcut) / attr(data-shortcut-alt);display:none;font-size:.75rem;padding:.0625rem 0;position:absolute;right:.75rem;text-align:center;width:1.5rem;z-index:1}@media only screen and (min-width: 52rem){.go-ShortcutKey:after{display:initial}}.go-GopherMessage img{display:block;height:15rem;margin:0 auto;padding:1.25rem 0;width:15rem}.go-GopherMessage p{font-weight:600;margin:auto;text-align:center}.go-Banner{background-color:var(--gray-1);display:none}.go-Banner-inner{align-items:center;display:flex;justify-content:space-between;margin:0 auto;min-height:2.5rem;padding:.5rem var(--gutter)}.Site--wide .go-Banner-inner{max-width:98rem}.go-Banner--full .go-Banner-inner{max-width:unset}.go-Banner-message{color:var(--white);margin-right:1.25rem}.go-Banner-action:link,.go-Banner-action:visited{color:var(--white);text-decoration:underline;white-space:nowrap}@media only screen and (min-width: 52rem){.go-Banner{display:block}}.go-Header{background:#007d9c;border-bottom:none;box-shadow:0 .0625rem .125rem #ababab4d;top:0;width:100%;z-index:20}.go-Header-inner{margin:0 auto;padding:0 var(--gutter)}.Site--wide .go-Header-inner{max-width:98rem}.go-Header--full .go-Header-inner{max-width:initial}.go-Header-nav{align-items:center;display:flex;height:3.5rem;justify-content:space-between}.go-Header-rightContent{align-items:center;display:flex;height:100%;justify-content:flex-end;width:100%}.go-Header-rightContent form{flex-grow:1}.go-Header-inner--dark{border-bottom:none;color:var(--white)}.go-Header-logo{display:block;height:2rem;margin-right:2.25rem;width:5.125rem}.go-Header-logo--hidden{display:none}.go-Header-menuItem{display:none;position:relative}.go-Header-menu{align-items:stretch;display:flex;height:100%;list-style:none;margin:0;padding:0}[data-local=true] .go-Header-menu{display:none}.go-Header-submenu{background:transparent;background-color:var(--color-background);border:.0625rem solid #007d9d;border-width:0 .0625rem .0625rem;color:var(--color-text);display:none;flex-flow:column wrap;list-style-type:none;margin-top:3.5rem;opacity:0;padding:1.5rem 1.5rem 0;position:absolute;transition:all .2s ease;visibility:hidden}.go-Header-menuItem:hover>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu,.go-Header-menuItem:focus-within>.js-desktop-menu-hover:not(.forced-closed)~.go-Header-submenu{display:flex;opacity:1;visibility:visible}.go-Header-menuItem .go-Header-submenuItem a:link,.go-Header-menuItem .go-Header-submenuItem a:visited{align-items:baseline;border-bottom:none;color:var(--color-text-link);display:inline-flex;font-weight:400;margin:0;margin-bottom:-.125rem;padding:0}.go-Header-menuItem .go-Icon{filter:brightness(0%) saturate(100%) invert(100%);font-size:1.25rem}.go-Header-menuItem .go-Header-submenuItem .go-Icon,.go-NavigationDrawer-listItem .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg) brightness(71%) contrast(177%)}.go-Header-submenu .go-Header-submenuItem i{font-size:.75rem;margin-left:.25rem;transform:translateY(.1rem)}.go-Header-menu .go-Header-submenu--why{left:-.0625rem;width:18.5rem}.go-Header-menu .go-Header-submenu--docs{height:20.78rem;left:-12rem;width:37.25rem}.go-Header-menu .go-Header-submenu--community{height:18.4rem;right:-.0625rem;width:37.25rem}.go-Header-socialIcons{display:flex;flex-wrap:wrap}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon{display:inline-flex;flex:0 1 auto;width:auto}.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child){margin-right:.75rem}@media only screen and (min-width: 65rem){.go-Header-menuItem{align-items:stretch;display:inline-flex;flex:none}.go-Header-menu{justify-content:flex-end}.go-Header-navOpen{display:none}}.go-Header-menuItem .js-desktop-menu-hover img{pointer-events:none}.go-Header-menuItem a:link,.go-Header-menuItem a:visited{align-items:center;border-bottom:.1875rem solid transparent;border-top:.1875rem solid transparent;color:var(--color-text);display:inline-flex;padding:0 1.5rem;text-align:center;text-decoration:none;width:100%}.go-Header-menuItem--active a:link,.go-Header-menuItem--active a:visited{border-bottom-color:var(--turq-med);font-weight:700}.go-Header-menuItem a:hover{border-bottom-color:var(--white)}.go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--white);border-color:var(--white);color:var(--color-text-link)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover .go-Icon,:root:not([data-theme="light"]) .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover .go-Icon{filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg) brightness(83%) contrast(157%)}:root:not([data-theme="light"]) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}.go-NavigationDrawer-listItem>div:not(.go-NavigationDrawer),.go-NavigationDrawer-listItem a:link,.go-NavigationDrawer-listItem a:visited{display:block;margin:0 1rem;padding:.5rem}.go-NavigationDrawer-listItem>span{color:var(--gray-2)}.go-Header-inner--dark .go-Header-menuItem a:link,.go-Header-inner--dark .go-Header-menuItem a:visited{color:var(--white)}.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav>a i{float:right}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem{color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded{background-color:var(--white);color:var(--color-text-link)}.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited{align-items:baseline;color:var(--color-text-link);display:inline-flex;margin-bottom:-.125rem;width:auto}.go-Header-submenu .go-Header-submenuItem a:link,.go-Header-submenu .go-Header-submenuItem a:visited{border-bottom:none;font-weight:400;margin:0;padding:0}.go-Header-submenu .go-Header-submenuItem a:focus{text-decoration:underline!important}.go-Header-inner--dark .go-Header-menuItem:hover>a:not(.forced-closed).js-desktop-menu-hover,.go-Header-inner--dark .go-Header-menuItem:focus-within>a:not(.forced-closed).js-desktop-menu-hover{background:var(--color-background);border-color:var(--color-background)}.go-Header-submenu p{max-width:15.5rem}.go-Header-submenu a:link:hover,.go-Header-submenu a:visited:hover{border-bottom:.125rem solid var(--turq-dark);text-decoration:none}.go-Header-submenu a:link:hover>*,.go-Header-submenu a:visited:hover>*{text-decoration:none}.go-Header-submenu .go-Header-submenuItem{line-height:1;padding-bottom:1.5rem}.go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle);font-size:.875rem;margin-top:.55rem}.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p{color:var(--color-text-subtle)}.go-Header-navOpen{background:no-repeat center/2rem url(/images/menu-24px.svg);border:none;height:2.5rem;margin-left:1rem;width:2.5rem}.go-Header-navOpen--hidden{display:none}.go-Header-navOpen--white{background:no-repeat center/2rem url(/static/shared/icon/menu_gm_grey_24dp.svg);filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}.go-SearchForm--expanded{flex-grow:1}.go-SearchForm-form{display:none}.go-SearchForm-form:after{right:2.75rem}.go-SearchForm--expanded .go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{appearance:none;background:none;font-size:1.5rem}.go-SearchForm--expanded .go-SearchForm-expandSearch{display:none}@media only screen and (min-width: 32rem){.go-Header-rightContent{width:100%}.go-SearchForm{flex:1}.go-SearchForm-form{display:flex}.go-SearchForm-expandSearch{display:none}.go-Header-logo--hidden{display:initial}}.go-NavigationDrawer{background:var(--color-background);height:100%;left:auto;max-width:27rem;position:fixed;right:0;top:0;transform:translate(100%);transition:transform .1s ease-in-out;width:85%;z-index:30}@media only screen and (min-width: 65rem){.go-NavigationDrawer{display:none}}.go-NavigationDrawer.is-active{transform:translate(0)}.go-NavigationDrawer-header{border-bottom:.0625rem solid #eee;margin-bottom:.5rem}.go-NavigationDrawer-submenuItem{width:100%}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header{align-items:center;color:var(--color-text-link);display:flex;font-size:1.375rem;justify-content:flex-start;min-height:4.0625rem;padding:.5rem .5rem .5rem 1.5rem}.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header>a{display:flex;margin-left:0}.go-NavigationDrawer-logo{display:block;height:2rem;margin:1rem;width:5.125rem}.go-NavigationDrawer-list{list-style:none;margin:0;padding:0}.go-NavigationDrawer-listItem{color:var(--color-text-subtle);font-size:1.125rem;margin:0 .5rem}.go-NavigationDrawer-listItem--active{background-color:var(--blue);border-radius:.4rem}.go-NavigationDrawer-listItem .material-icons{color:var(--color-brand-primary);display:inline-block;margin-right:.5rem;text-decoration:none;vertical-align:sub}@media only screen and (max-width: 57.7rem){.go-NavigationDrawer-listItem .go-Header-socialIcons{padding:.5rem 0}.go-NavigationDrawer-listItem a.go-Header-socialIcon{display:inline-block;margin:0;padding:0 .5rem}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg) brightness(80%) contrast(157%)}}}.go-NavigationDrawer-scrim{display:none;height:100%;left:0;position:fixed;top:0;width:100%;z-index:20}.go-NavigationDrawer.is-active+.go-NavigationDrawer-scrim{background-color:var(--gray-1);display:block;opacity:.32}.skip-to-content-link{background:var(--color-background);border-radius:.375rem;clip:rect(0 0 0 0);color:var(--color-text);font-weight:500;left:8%;margin:.313rem;overflow:hidden;position:absolute;top:.75rem}.skip-to-content-link:focus{clip:unset;z-index:1}.depsdev-Icon{height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon{filter:none;height:1.125em;vertical-align:text-bottom;width:auto}.go-Icon--accented{filter:brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%) contrast(101%)}.go-Icon--inverted{filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%);@media (forced-colors: active) and (prefers-color-scheme: light){filter:brightness(500%) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}}[data-theme=dark] .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}[data-theme=dark] .go-Icon--accented{filter:brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%) contrast(88%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Icon:not(.go-Icon--accented){filter:brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg) brightness(103%) contrast(107%)}:root:not([data-theme="light"]) .go-Icon--accented{filter:brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%) contrast(101%)}}.go-Message{color:var(--color-text);font-size:.875rem;line-height:1.5rem;padding:.25rem .5rem;width:100%}.go-Message--notice{background-color:var(--color-background-info)}.go-Message--warning{background-color:var(--color-background-warning);color:var(--gray-1)}.go-Message--alert{background-color:var(--color-background-alert)}.go-Message>.go-Icon{vertical-align:text-top}[data-theme=dark] .go-Message a:not(:hover){color:var(--color-text);text-decoration:underline}[data-theme=dark] .go-Message--warning .go-Icon{filter:none}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .go-Message--warning .go-Icon{filter:none}}dialog{position:absolute;left:0;right:0;width:-moz-fit-content;width:-webkit-fit-content;width:fit-content;height:-moz-fit-content;height:-webkit-fit-content;height:fit-content;margin:auto;border:solid;padding:1em;background:white;color:#000;display:block}dialog:not([open]){display:none}dialog+.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.1)}._dialog_overlay{position:fixed;inset:0}dialog.fixed{position:fixed;top:50%;transform:translateY(-50%)}.go-Modal{background:var(--color-background);border:var(--border);border-radius:var(--border-radius);bottom:0;box-shadow:var(--box-shadow);color:var(--color-text);display:flex;flex-direction:column;gap:1rem;max-height:100%;max-width:100%;position:fixed;top:0}.go-Modal>form{display:contents}.go-Modal--small{width:20rem}.go-Modal--md{width:30rem}.go-Modal--lg{width:40rem}.go-Modal-header{display:flex;justify-content:space-between}.go-Modal-header h2{font-size:1.15rem;line-height:1.25rem}.go-Modal-body{flex-grow:1;min-height:2rem;min-width:18rem}.go-Modal-actions{text-align:right}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Modal{padding-bottom:0}}}.go-Tree{--js-tree-height: 0;display:flex;flex-direction:column}.go-Tree ul{list-style:none;padding-left:0}.go-Tree li:last-of-type{padding-bottom:.25rem}.go-Tree a+ul{display:none}.go-Tree a[aria-expanded=true]+ul[role=group]{display:block}.go-Tree a[aria-level="1"]+ul[role=group]{max-height:calc(100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem);overflow-y:auto;padding:.5rem .25rem 0}.go-Tree a{color:var(--color-text-subtle);display:block;line-height:1.5rem;overflow:hidden;padding:.125rem 0 .125rem 1.25rem;position:relative;text-overflow:ellipsis;user-select:none;white-space:nowrap}.go-Tree>li>a,.go-Tree a[aria-level="1"]{display:block;font-size:1rem;font-weight:500;line-height:2.5rem;padding:0 1rem}.go-Tree a:focus,.go-Tree a:hover{text-decoration:underline;z-index:1}.go-Tree a[aria-selected=true]{color:var(--color-text);font-weight:500}.go-Tree a[aria-level="1"][aria-selected=true],.go-Tree a[aria-level="1"][aria-expanded=true]{background-color:var(--color-background-accented)}.go-Tree a[aria-level="3"][aria-expanded=true]{margin-bottom:.375em}.go-Tree a[aria-level="2"]{margin-bottom:.25rem;position:relative}.go-Tree a[aria-level="3"]{padding-left:2.5rem}.go-Tree a[aria-level="4"]{border-left:.125rem solid var(--color-background-accented);margin-left:2.5rem;padding-left:.5rem}.go-Tree a[aria-selected=true][aria-level="2"]:not([aria-expanded]):before,.go-Tree a[aria-selected=true][aria-level="3"]:not([aria-expanded]):before{background-color:var(--color-brand-primary);border-radius:50%;content:"";display:block;height:.3125rem;left:.4688rem;position:absolute;top:.75rem;width:.3125rem}.go-Tree a[aria-expanded][aria-owns][aria-level="2"]:before,.go-Tree a[aria-expanded][aria-owns][aria-level="3"]:before{border-bottom:.25rem solid transparent;border-left:.25rem solid var(--color-border);border-right:0;border-top:.25rem solid transparent;content:"";display:block;height:0;left:.5rem;position:absolute;top:.625rem;transition:transform .1s linear;width:0}.go-Tree a[aria-expanded=true][aria-level="2"]:before,.go-Tree a[aria-expanded=true][aria-level="3"]:before{transform:rotate(90deg)}.go-Tree a[aria-expanded][aria-level="3"]:not([empty]):before,.go-Tree a[aria-selected][aria-level="3"]:not([empty]):before{left:1.5rem;top:.75rem}.go-Tree a[aria-selected=true][aria-level="4"]{border-left:.125rem solid var(--color-brand-primary)}.go-TabNav{margin:0 0 .5rem}.go-TabNav ul{display:flex;gap:2rem}.go-TabNav li{border-bottom:.25rem transparent solid;display:flex;font-size:1rem;height:2.375rem;padding:0 .25rem}.go-TabNav li[aria-current],.go-TabNav li:hover{border-color:var(--color-brand-primary)}.go-TabNav a{align-items:center;color:var(--color-text-subtle);display:inline-flex}.go-TabNav li:hover a{text-decoration:none}.go-TabNav li[aria-current] a{color:var(--color-text)}.go-Tooltip{border-radius:var(--border-radius);cursor:pointer;display:inline-block;position:relative}.go-Tooltip>summary{list-style:none}.go-Tooltip>summary::-webkit-details-marker,.go-Tooltip>summary::marker{display:none}.go-Tooltip>summary>img{vertical-align:text-bottom}.go-Tooltip p{background:var(--color-background) 80%;border:var(--border);border-radius:var(--border-radius);color:var(--color-text);font-size:.75rem;letter-spacing:.0187rem;line-height:1rem;padding:.5rem;position:absolute;top:1.5rem;white-space:normal;width:12rem;z-index:100}:root{--gutter: 1.5rem;--gap: 1rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem );--border: .0625rem solid var(--color-border);--border-radius: .25rem;--box-shadow: 0 0 .375rem 0 rgb(0 0 0 / 25%);--focus-box-shadow: 0 0 .0625rem .0625rem rgb(0 112 210 / 60%)}[data-theme=dark]{--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--box-shadow: 0 .3125rem .9375rem rgb(0 0 0 / 45%)}}@media (min-width: 50rem){:root{--gap: 2rem;--scroll-margin: calc( var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem )}}*:target{scroll-margin-top:var(--scroll-margin)}body{background-color:var(--color-background);display:flex;flex-direction:column;min-height:100vh;min-width:23.5rem;-webkit-overflow-scrolling:touch}.go-Container{display:flex;flex-direction:column;flex-grow:1;height:100%;margin-bottom:5rem}.go-Content{display:flex;flex-flow:column;gap:1rem;margin:0 auto;max-width:63rem;min-height:32rem;padding:2rem var(--gutter);width:100%}.go-Content--center{justify-content:center;margin:auto}.JumpDialog-body{height:12rem;overflow-y:auto}.JumpDialog-list{display:flex;flex-direction:column}.JumpDialog-input{width:100%}.JumpDialog a{padding:.25rem;text-decoration:none}.JumpDialog .JumpDialog-active{background-color:var(--color-brand-primary);color:var(--white)}.ShortcutsDialog-key{text-align:right}.ShortcutsDialog table{padding:0 1rem}.ShortcutsDialog td{padding-bottom:.5rem;padding-left:.5rem}.ShortcutsDialog-theme span{display:none}[data-theme=light] .ShortcutsDialog-themeLight,[data-theme=dark] .ShortcutsDialog-themeDark,[data-theme=""] .ShortcutsDialog-themeAuto,[data-theme=auto] .ShortcutsDialog-themeAuto{display:initial}.Cookie-notice{align-items:center;background-color:var(--color-background);border-top:var(--border);bottom:0;color:var(--color-text);display:none;gap:1rem;justify-content:center;left:0;padding:1rem;position:fixed;right:0;z-index:100}.Cookie-notice--visible{display:flex}
 /*!
  * http://meyerweb.com/eric/tools/css/reset/
  * v2.0 | 20110126
diff --git a/static/frontend/frontend.min.css.map b/static/frontend/frontend.min.css.map
index 9001aef..91155eb 100644
--- a/static/frontend/frontend.min.css.map
+++ b/static/frontend/frontend.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["../shared/reset.css", "../shared/typography/typography.css", "../shared/button/button.css", "../shared/breadcrumb/breadcrumb.css", "../shared/carousel/carousel.css", "../shared/chip/chip.css", "../shared/clipboard/clipboard.css", "../shared/color/color.css", "../shared/footer/footer.css", "../shared/form/form.css", "../shared/gopher/gopher.css", "../shared/header/header.css", "../shared/icon/icon.css", "../shared/message/message.css", "../../third_party/dialog-polyfill/dialog-polyfill.css", "../shared/modal/modal.css", "../shared/outline/tree.css", "../shared/tabnav/tabnav.css", "../shared/tooltip/tooltip.css", "../shared/shared.css", "_modals.css", "frontend.css"],
   "sourcesContent": ["/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/*!\n * http://meyerweb.com/eric/tools/css/reset/\n * v2.0 | 20110126\n * License: none (public domain)\n */\n\nhtml,\nbody,\nbutton,\ndiv,\nspan,\napplet,\nobject,\niframe,\nh1,\nh2,\nh3,\nh4,\nh5,\nh6,\nhr,\ninput,\np,\nblockquote,\npre,\na,\nabbr,\nacronym,\naddress,\nbig,\ncite,\ncode,\ndel,\ndfn,\ndialog,\nem,\nimg,\nins,\nkbd,\nq,\ns,\nsamp,\nsmall,\nstrike,\nstrong,\nsub,\nsup,\ntt,\nvar,\nb,\nu,\ni,\ncenter,\ndl,\ndt,\ndd,\nol,\nul,\nli,\nfieldset,\nform,\nlabel,\nlegend,\ntable,\ncaption,\ntbody,\ntfoot,\nthead,\ntr,\nth,\ntd,\narticle,\naside,\ncanvas,\ndetails,\nembed,\nfigure,\nfigcaption,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\noutput,\nruby,\nsection,\nsummary,\ntime,\nmark,\naudio,\nvideo {\n  border: 0;\n  font: inherit;\n  font-size: 100%;\n  margin: 0;\n  padding: 0;\n  vertical-align: baseline;\n}\n\n/* HTML5 display-role reset for older browsers */\narticle,\naside,\ndetails,\nfigcaption,\nfigure,\nfooter,\nheader,\nhgroup,\nmenu,\nnav,\nsection {\n  display: block;\n}\n\nbody {\n  line-height: 1;\n}\n\nol,\nul {\n  list-style: none;\n}\n\nblockquote,\nq {\n  quotes: none;\n}\n\nblockquote::before,\nblockquote::after,\nq::before,\nq::after {\n  content: '';\n  content: none;\n}\n\ntable {\n  border-collapse: collapse;\n  border-spacing: 0;\n}\n\n*,\n::before,\n::after {\n  box-sizing: border-box;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbody {\n  color: var(--color-text);\n  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif,\n    'Apple Color Emoji', 'Segoe UI Emoji';\n  font-size: 1rem;\n  line-height: normal;\n}\n\nh1 {\n  font-size: 1.5rem;\n}\n\nh2 {\n  font-size: 1.375rem;\n}\n\nh3 {\n  font-size: 1.25rem;\n}\n\nh4 {\n  font-size: 1.125rem;\n}\n\nh5 {\n  font-size: 1rem;\n}\n\nh6 {\n  font-size: 0.875rem;\n}\n\nh1,\nh2,\nh3,\nh4 {\n  font-weight: 600;\n  line-height: 1.25em;\n  word-break: break-word;\n}\n\nh5,\nh6 {\n  font-weight: 500;\n  line-height: 1.3em;\n  word-break: break-word;\n}\n\nhr {\n  border: none;\n  border-bottom: var(--border);\n  margin: 0;\n  width: 100%;\n}\n\np {\n  font-size: 1rem;\n  line-height: 1.5rem;\n  max-width: 60rem;\n}\n\nstrong {\n  font-weight: 600;\n}\n\n.go-textSubtle {\n  color: var(--color-text-subtle);\n}\n\n.go-textTitle {\n  font-size: 1.125rem;\n  font-weight: 600;\n  line-height: 1.25rem;\n}\n\n.go-textLabel {\n  font-size: 0.875rem;\n  font-weight: 600;\n  line-height: 1rem;\n}\n\n.go-textPagination {\n  font-size: 0.875rem;\n  line-height: 1rem;\n}\n\ncode,\npre,\ntextarea.code {\n  font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;\n  font-size: 0.875rem;\n  line-height: 1.5em;\n}\n\npre,\ntextarea.code {\n  background-color: var(--color-background-accented);\n  border: var(--border);\n  border-radius: var(--border-radius);\n  color: var(--color-text);\n  overflow-x: auto;\n  padding: 0.625rem;\n  tab-size: 4;\n  white-space: pre;\n}\n\nbutton,\ninput,\nselect,\ntextarea {\n  font: inherit;\n}\n\na,\na:link,\na:visited {\n  color: var(--color-brand-primary);\n  text-decoration: none;\n}\n\na:hover,\na:focus {\n  color: var(--color-brand-primary);\n  text-decoration: underline;\n}\n\na:hover > * {\n  text-decoration: underline;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nbutton:focus:not([disabled]) {\n  border-color: var(--color-brand-primary);\n  box-shadow: var(--focus-box-shadow);\n  outline: transparent;\n}\n\n.go-Button {\n  align-items: center;\n  background-color: var(--color-button);\n  border: 0.0625rem solid transparent;\n  border-radius: var(--border-radius);\n  color: var(--color-button-text);\n  cursor: pointer;\n  display: inline-flex;\n  font-weight: 500;\n  gap: 0.25rem;\n}\n\n.go-Button:not(.go-Button--inline) {\n  padding: 0.5rem;\n}\n\n.go-Button--accented {\n  background-color: var(--color-button-accented);\n  color: var(--color-button-accented-text);\n}\n\n.go-Button--inverted,\n.go-Button--text,\n.go-Button--inline {\n  background-color: var(--color-button-inverted);\n  color: var(--color-button-inverted-text);\n}\n\n.go-Button--inline {\n  background-color: transparent;\n}\n\n.go-Button--inverted {\n  border: var(--border);\n}\n\n.go-Button:hover {\n  box-shadow: var(--focus-box-shadow);\n  filter: contrast(0.95);\n}\n\n.go-Button--inline:hover {\n  box-shadow: none;\n  text-decoration: underline var(--color-button-inverted-text);\n}\n\n.go-Button:focus {\n  filter: contrast(0.95);\n}\n\n.go-Button--inverted:focus {\n  border-color: var(--color-button-inverted-text);\n}\n\n.go-Button:active {\n  box-shadow: none;\n  filter: contrast(0.85);\n}\n\n.go-Button:disabled {\n  background-color: var(--color-button-disabled);\n  box-shadow: none;\n  color: var(--color-button-text-disabled);\n  cursor: initial;\n  filter: none;\n  text-decoration: none;\n}\n\n.go-Button--accented:disabled {\n  background-color: var(--color-button-accented-disabled);\n  color: var(--color-button-accented-text-disabled);\n}\n\n.go-Button--inverted:disabled,\n.go-Button--text:disabled,\n.go-Button--inline:disabled {\n  background-color: var(--color-button-inverted-disabled);\n  color: var(--color-button-inverted-text-disabled);\n}\n\n.go-Button--inline:disabled {\n  background-color: transparent;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Breadcrumb ol {\n  line-height: 1.5rem;\n  white-space: initial;\n}\n\n.go-Breadcrumb li {\n  align-items: center;\n  color: var(--color-text-subtle);\n  display: inline-flex;\n  font-size: 0.875rem;\n}\n\n.go-Breadcrumb li:not(:last-child)::after {\n  content: '>';\n  padding: 0 0.5rem;\n}\n\n.go-Breadcrumb li:last-child > a {\n  color: var(--color-text-subtle);\n}\n\n.go-Breadcrumb li > .go-Clipboard {\n  margin: 0 0.5rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Carousel {\n  align-items: center;\n  display: flex;\n  flex-direction: column;\n  position: relative;\n  text-align: center;\n}\n\n.go-Carousel-slide {\n  margin: 0.5rem 3rem;\n}\n\n.go-Carousel-slide[aria-hidden] {\n  display: none;\n}\n\n.go-Carousel-prevSlide {\n  left: 0;\n}\n\n.go-Carousel-nextSlide {\n  right: 0;\n}\n\n.go-Carousel-prevSlide,\n.go-Carousel-nextSlide {\n  background-color: transparent;\n  border-radius: var(--border-radius);\n  font-size: 1.5rem;\n  height: 2.75rem;\n  margin-top: -0.7rem;\n  opacity: 0;\n  position: absolute;\n  top: 50%;\n  width: 2.75rem;\n}\n\n.go-Carousel-prevSlide:hover,\n.go-Carousel-nextSlide:hover {\n  background-color: var(--color-background-accented);\n  cursor: pointer;\n}\n\n.go-Carousel:hover .go-Carousel-prevSlide,\n.go-Carousel:hover .go-Carousel-nextSlide,\n.go-Carousel:focus-within .go-Carousel-prevSlide,\n.go-Carousel:focus-within .go-Carousel-nextSlide {\n  opacity: 1;\n}\n\n.go-Carousel-dots {\n  display: flex;\n  font-size: 0.4375rem;\n  gap: 0.5rem;\n}\n\n.go-Carousel-dot {\n  background-color: var(--color-border);\n  border-radius: 2rem;\n  height: 0.4375rem;\n  margin-top: 1rem;\n  width: 0.4375rem;\n}\n\n.go-Carousel-dot--active,\n.go-Carousel-dot:hover {\n  background-color: var(--color-text-subtle);\n  outline: 0.125rem solid var(--color-text);\n}\n\n.go-Carousel-dot:focus {\n  outline: 0.063rem solid var(--color-text) !important;\n}\n\n.go-Carousel-dot--active:focus {\n  outline: 0.188rem solid var(--color-text) !important;\n}\n\n.go-Carousel-obscured {\n  border: 0;\n  clip: rect(0 0 0 0);\n  height: 0.0625rem;\n  margin: -0.0625rem;\n  overflow: hidden;\n  padding: 0;\n  position: absolute;\n  width: 0.0625rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Chip {\n  background: var(--color-button);\n  border: 0.0625rem solid var(--color-button);\n  border-radius: 1.25rem;\n  color: var(--color-button-text);\n  font-size: 0.75rem;\n  padding: 0.125rem 0.625rem;\n}\n\n.go-Chip--accented {\n  background: var(--color-button-accented);\n  border: 0.0625rem solid var(--color-button-accented);\n  color: var(--color-button-accented-text);\n}\n\n.go-Chip--inverted {\n  background: var(--color-button-inverted);\n  border: var(--border);\n  color: var(--color-text);\n}\n\n.go-Chip--highlighted {\n  background: var(--color-background-highlighted-link);\n  border-color: var(--color-background-highlighted-link);\n  color: var(--color-brand-primary);\n}\n\n.go-Chip--alert {\n  background: var(--pink);\n  border: 0.0625rem solid var(--pink);\n  color: var(--color-text-inverted);\n}\n\n.go-Chip--vuln {\n  background: var(--pink-light);\n  border: 0.0625rem solid var(--pink-light);\n  color: var(--color-text-inverted);\n}\n\n.go-Chip--subtle {\n  background-color: var(--color-background-accented);\n  border-color: transparent;\n  color: var(--color-text-subtle);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Clipboard {\n  position: relative;\n}\n\n.go-Clipboard::before {\n  background-color: var(--color-background-inverted);\n  border-radius: var(--border-radius);\n  color: var(--color-text-inverted);\n  content: attr(data-tooltip);\n  display: block;\n  font-size: 0.9em;\n  left: calc(100% + 0.125rem);\n  padding: 0.25rem 0.3rem;\n  position: absolute;\n  text-transform: uppercase;\n  top: 0.125rem;\n  white-space: nowrap;\n  z-index: 1000;\n}\n\n.go-Clipboard::after {\n  border-bottom: 0.25rem solid transparent;\n  border-left: 0;\n  border-right: 0.25rem solid var(--color-background-inverted);\n  border-top: 0.25rem solid transparent;\n  content: '';\n  display: block;\n  position: absolute;\n  right: -0.125rem;\n  top: 0.5625rem;\n  z-index: 1000;\n}\n\n.go-Clipboard:not([data-tooltip])::before,\n.go-Clipboard:not([data-tooltip])::after,\n.go-Clipboard[data-tooltip='']::before,\n.go-Clipboard[data-tooltip='']::after {\n  display: none;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n:root {\n  /* Colors */\n  --gray-1: #202224;\n  --gray-2: #3e4042;\n  --gray-3: #555759;\n  --gray-4: #6e7072;\n  --gray-5: #848688;\n  --gray-6: #aaacae;\n  --gray-7: #c6c8ca;\n  --gray-8: #dcdee0;\n  --gray-9: #f0f1f2;\n  --gray-10: #f8f8f8;\n  --turq-light: #5dc9e2;\n  --turq-med: #50b7e0;\n  --turq-dark: #007d9c;\n  --turq-bright: #00769c;\n  --blue: #bfeaf4;\n  --blue-light: #f2fafd;\n  --black: #000;\n  --green: #3a6e11;\n  --green-light: #5fda64;\n  --pink: #c85e7a;\n  --pink-light: #fdecf1;\n  --purple: #542c7d;\n  --slate: #253443; /* Footer background. */\n  --white: #fff;\n  --yellow: #fceea5;\n  --yellow-light: #fff8cc;\n\n  /* Color Intents */\n  --color-brand-primary: var(--turq-dark);\n  --color-background: var(--white);\n  --color-background-inverted: var(--slate);\n  --color-background-accented: var(--gray-10);\n  --color-background-highlighted: var(--blue);\n  --color-background-highlighted-link: var(--blue-light);\n  --color-background-info: var(--gray-9);\n  --color-background-warning: var(--yellow-light);\n  --color-background-alert: var(--pink-light);\n  --color-border: var(--gray-7);\n  --color-text: var(--gray-1);\n  --color-text-subtle: var(--gray-4);\n  --color-text-link: var(--turq-dark);\n  --color-text-inverted: var(--white);\n  --color-code-comment: var(--green);\n  --color-bright-text-link: var(--turq-bright);\n\n  /* Interactive Colors */\n  --color-input: var(--color-background);\n  --color-input-text: var(--color-text);\n  --color-button: var(--turq-dark);\n  --color-button-disabled: var(--gray-9);\n  --color-button-text: var(--white);\n  --color-button-text-disabled: var(--gray-3);\n  --color-button-inverted: var(--color-background);\n  --color-button-inverted-disabled: var(--color-background);\n  --color-button-inverted-text: var(--color-brand-primary);\n  --color-button-inverted-text-disabled: var(--color-text-subtle);\n  --color-button-accented: var(--yellow);\n  --color-button-accented-disabled: var(--gray-9);\n  --color-button-accented-text: var(--gray-1);\n  --color-button-accented-text-disabled: var(--gray-3);\n}\n\n[data-theme='dark'] {\n  --color-brand-primary: var(--turq-med);\n  --color-background: var(--gray-1);\n  --color-background-accented: var(--gray-2);\n  --color-background-highlighted: var(--gray-2);\n  --color-background-highlighted-link: var(--gray-2);\n  --color-background-info: var(--gray-3);\n  --color-background-warning: var(--yellow);\n  --color-background-alert: var(--pink);\n  --color-border: var(--gray-4);\n  --color-text: var(--gray-9);\n  --color-text-link: var(--turq-med);\n  --color-text-subtle: var(--gray-7);\n  --color-code-comment: var(--green-light);\n  --color-bright-text-link: var(--turq-med);\n}\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light']) {\n    --color-brand-primary: var(--turq-med);\n    --color-background: var(--gray-1);\n    --color-background-accented: var(--gray-2);\n    --color-background-highlighted: var(--gray-2);\n    --color-background-highlighted-link: var(--gray-2);\n    --color-background-info: var(--gray-3);\n    --color-background-warning: var(--yellow);\n    --color-background-alert: var(--pink);\n    --color-border: var(--gray-4);\n    --color-text: var(--gray-9);\n    --color-text-link: var(--turq-med);\n    --color-text-subtle: var(--gray-7);\n    --color-code-comment: var(--green-light);\n  }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Footer {\n  background-color: var(--color-background-inverted);\n  color: var(--color-text-inverted);\n  font-size: 0.875rem;\n  width: 100%;\n}\n\n[data-local='true'] .go-Footer {\n  display: none;\n}\n\n.go-Footer-links {\n  display: flex;\n  flex-wrap: wrap;\n  justify-content: space-between;\n  margin: auto;\n  max-width: 75.75rem;\n  padding: 2rem 1.5rem 2.625rem;\n}\n\n.go-Footer-linkColumn {\n  flex: 0 0 9.5rem;\n}\n\n.go-Footer .go-Footer-link {\n  color: var(--color-text-inverted);\n  display: flex;\n  flex: 1;\n  font-size: 0.875rem;\n  line-height: 2rem;\n}\n\n.go-Footer .go-Footer-link--primary {\n  font-size: 1.125rem;\n  line-height: 1.75rem;\n  margin-bottom: 0.5rem;\n  margin-top: 0.75rem;\n}\n\n.go-Footer-listItem p {\n  color: var(--color-text-inverted);\n  font-size: 0.875rem;\n}\n\n.go-Footer-bottom {\n  align-items: center;\n  border-top: var(--border);\n  display: flex;\n  margin: 0 1.5rem;\n  min-height: 4.125rem;\n}\n\n.go-Footer-gopher {\n  align-self: flex-end;\n  height: 3.147rem;\n  width: 5rem;\n}\n\n.go-Footer-listRow {\n  display: flex;\n  flex: 1;\n  flex-wrap: wrap;\n  list-style: none;\n  margin: 0;\n  padding: 0;\n  text-align: center;\n}\n\n.go-Footer-listItem {\n  align-items: center;\n  display: flex;\n  flex: 1 100%;\n  justify-content: center;\n  margin: 0.4rem 0;\n  padding: 0 1rem;\n}\n\n.go-Footer-listItem a:link,\n.go-Footer-listItem a:visited {\n  color: var(--color-text-inverted);\n}\n\n.go-Footer-listItem .go-Button--text {\n  background-color: transparent;\n  font-size: 1rem;\n  margin: -0.5rem 0;\n}\n\n.go-Footer-listItem [data-value] {\n  display: none;\n}\n\n[data-theme='auto'] .go-Footer-listItem [data-value='auto'],\n:root:not([data-theme]) .go-Footer-listItem [data-value='auto'] {\n  display: initial;\n}\n\n[data-theme='dark'] .go-Footer-listItem [data-value='dark'] {\n  display: initial;\n}\n\n[data-theme='light'] .go-Footer-listItem [data-value='light'] {\n  display: initial;\n}\n\n.go-Footer-toggleTheme,\n.go-Footer-keyboard {\n  margin: 0 0 0.5rem;\n}\n\n.go-Footer-googleLogo {\n  align-self: flex-end;\n  height: 1.5rem;\n  margin-bottom: 1.3rem;\n  text-align: right;\n}\n\n.go-Footer-googleLogoImg {\n  height: 1.5rem;\n  width: 4.529rem;\n}\n\n@media only screen and (min-width: 52rem) {\n  .go-Footer-listItem {\n    flex: initial;\n  }\n\n  .go-Footer-listItem + .go-Footer-listItem {\n    border-left: var(--border);\n  }\n\n  .go-Footer-toggleTheme {\n    margin: 0 0 0 -0.5rem;\n  }\n\n  .go-Footer-keyboard {\n    margin: 0;\n  }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nselect:focus:not([disabled]),\ninput:focus:not([disabled]) {\n  border-color: var(--color-brand-primary);\n  box-shadow: var(--focus-box-shadow);\n  outline: transparent;\n  z-index: 2;\n}\n\ninput::placeholder {\n  color: var(--color-text-subtle);\n}\n\n.go-Form {\n  align-items: start;\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n}\n\n.go-Label {\n  display: flex;\n  flex-direction: column;\n  gap: 0.5rem;\n}\n\n.go-Label--inline {\n  align-items: center;\n  flex-direction: row;\n}\n\n.go-Label legend {\n  margin-bottom: 0.5rem;\n}\n\n.go-Label--inline legend {\n  float: left;\n  margin-bottom: 0;\n}\n\n.go-Input,\n.go-Select {\n  background: var(--color-input);\n  border: var(--border);\n  border-radius: var(--border-radius);\n  color: var(--color-input-text);\n}\n\n.go-Input {\n  padding: 0.4063rem 0.5rem;\n}\n\n.go-Select {\n  appearance: none;\n  background: url('/static/shared/icon/arrow_drop_down_gm_grey_24dp.svg') right no-repeat;\n  background-color: var(--color-background);\n  background-position: right center;\n  border-radius: var(--border-radius);\n  margin: 0;\n  padding: 0.3438rem 1.25rem 0.3438rem 0.5rem;\n}\n\n.go-InputGroup {\n  display: flex;\n}\n\n.go-InputGroup .go-Input {\n  flex: 1;\n}\n\n.go-InputGroup > :not(:first-child, :last-child) {\n  border-radius: 0;\n  margin-left: -0.0625rem;\n}\n\n.go-InputGroup > :first-child {\n  border-bottom-right-radius: 0;\n  border-top-right-radius: 0;\n}\n\n.go-InputGroup > :last-child {\n  border-bottom-left-radius: 0;\n  border-top-left-radius: 0;\n  margin-left: -0.0625rem;\n}\n\n.go-InputGroup > *:hover,\n.go-InputGroup > *:focus {\n  z-index: 1;\n}\n\n.go-ShortcutKey {\n  display: flex;\n  position: relative;\n}\n\n.go-ShortcutKey .go-Input {\n  flex-grow: 1;\n}\n\n.go-ShortcutKey::after {\n  align-self: center;\n  background-color: var(--color-background-accented);\n  border-radius: 0.5rem;\n  color: var(--gray-6);\n  content: attr(data-shortcut);\n  content: attr(data-shortcut) / attr(data-shortcut-alt);\n  display: none;\n  font-size: 0.75rem;\n  padding: 0.0625rem 0;\n  position: absolute;\n  right: 0.75rem;\n  text-align: center;\n  width: 1.5rem;\n  z-index: 1;\n}\n@media only screen and (min-width: 52rem) {\n  .go-ShortcutKey::after {\n    display: initial;\n  }\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-GopherMessage img {\n  display: block;\n  height: 15rem;\n  margin: 0 auto;\n  padding: 1.25rem 0;\n  width: 15rem;\n}\n\n.go-GopherMessage p {\n  font-weight: 600;\n  margin: auto;\n  text-align: center;\n}\n", "/* stylelint-disable no-descending-specificity */\n\n/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Banner {\n  background-color: var(--gray-1);\n\n  /**\n   * Only show on wide viewports so the\n   * text never wraps or gets cut off.\n   */\n  display: none;\n}\n\n.go-Banner-inner {\n  align-items: center;\n  display: flex;\n  justify-content: space-between;\n  margin: 0 auto;\n  min-height: 2.5rem;\n  padding: 0.5rem var(--gutter);\n}\n\n.Site--wide .go-Banner-inner {\n  max-width: 98rem;\n}\n\n.go-Banner--full .go-Banner-inner {\n  max-width: unset;\n}\n\n.go-Banner-message {\n  color: var(--white);\n  margin-right: 1.25rem;\n}\n\n.go-Banner-action:link,\n.go-Banner-action:visited {\n  color: var(--white);\n  text-decoration: underline;\n  white-space: nowrap;\n}\n@media only screen and (min-width: 52rem) {\n  .go-Banner {\n    display: block;\n  }\n}\n\n.go-Header {\n  background: #007d9c;\n  border-bottom: none;\n  box-shadow: 0 0.0625rem 0.125rem rgb(171 171 171 / 30%);\n  top: 0;\n  width: 100%;\n  z-index: 20;\n}\n\n.go-Header-inner {\n  margin: 0 auto;\n  padding: 0 var(--gutter);\n}\n\n.Site--wide .go-Header-inner {\n  max-width: 98rem;\n}\n\n.go-Header--full .go-Header-inner {\n  max-width: initial;\n}\n\n.go-Header-nav {\n  align-items: center;\n  display: flex;\n  height: 3.5rem;\n  justify-content: space-between;\n}\n\n.go-Header-rightContent {\n  align-items: center;\n  display: flex;\n  height: 100%;\n  justify-content: flex-end;\n  width: 100%;\n}\n\n.go-Header-rightContent form {\n  flex-grow: 1;\n}\n\n.go-Header-inner--dark {\n  border-bottom: none;\n  color: var(--white);\n}\n\n.go-Header-logo {\n  display: block;\n  height: 2rem;\n  margin-right: 2.25rem;\n  width: 5.125rem;\n}\n\n.go-Header-logo--hidden {\n  display: none;\n}\n\n.go-Header-menuItem {\n  display: none;\n  position: relative;\n}\n\n.go-Header-menu {\n  align-items: stretch;\n  display: flex;\n  height: 100%;\n  list-style: none;\n  margin: 0;\n  padding: 0;\n}\n\n[data-local='true'] .go-Header-menu {\n  display: none;\n}\n\n.go-Header-submenu {\n  background: transparent;\n  background-color: var(--color-background);\n  border: 0.0625rem solid #007d9d;\n  border-width: 0 0.0625rem 0.0625rem;\n  color: var(--color-text);\n  display: none;\n  flex-flow: column wrap;\n  list-style-type: none;\n  margin-top: 3.5rem;\n  opacity: 0;\n  padding: 1.5rem 1.5rem 0;\n  position: absolute;\n  transition: all 0.2s ease;\n  visibility: hidden;\n}\n\n.go-Header-menuItem:hover > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu,\n.go-Header-menuItem:focus-within > .js-desktop-menu-hover:not(.forced-closed) ~ .go-Header-submenu {\n  display: flex;\n  opacity: 1;\n  visibility: visible;\n}\n\n.go-Header-menuItem .go-Header-submenuItem a:link,\n.go-Header-menuItem .go-Header-submenuItem a:visited {\n  align-items: baseline;\n  border-bottom: none;\n  color: var(--color-text-link);\n  display: inline-flex;\n  font-weight: 400;\n  margin: 0;\n  margin-bottom: -0.125rem;\n  padding: 0;\n}\n\n.go-Header-menuItem .go-Icon {\n  filter: brightness(0%) saturate(100%) invert(100%);\n  font-size: 1.25rem;\n}\n\n.go-Header-menuItem .go-Header-submenuItem .go-Icon,\n.go-NavigationDrawer-listItem .go-Icon {\n  filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(162deg)\n    brightness(71%) contrast(177%);\n}\n\n.go-Header-submenu .go-Header-submenuItem i {\n  font-size: 0.75rem;\n  margin-left: 0.25rem;\n  transform: translateY(0.1rem); /* to get bottom alignment w/ text  */\n}\n\n.go-Header-menu .go-Header-submenu--why {\n  left: -0.0625rem;\n  width: 18.5rem;\n}\n\n.go-Header-menu .go-Header-submenu--docs {\n  height: 20.78rem;\n  left: -12rem;\n  width: 37.25rem;\n}\n\n.go-Header-menu .go-Header-submenu--community {\n  height: 18.4rem;\n  right: -0.0625rem;\n  width: 37.25rem;\n}\n\n.go-Header-socialIcons {\n  display: flex;\n  flex-wrap: wrap;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon {\n  display: inline-flex;\n  flex: 0 1 auto;\n  width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a.go-Header-socialIcon:not(:last-child) {\n  margin-right: 0.75rem;\n}\n@media only screen and (min-width: 65rem) {\n  .go-Header-menuItem {\n    align-items: stretch;\n    display: inline-flex;\n    flex: none;\n  }\n\n  .go-Header-menu {\n    justify-content: flex-end;\n  }\n\n  .go-Header-navOpen {\n    display: none;\n  }\n}\n\n.go-Header-menuItem .js-desktop-menu-hover img {\n  pointer-events: none;\n}\n\n.go-Header-menuItem a:link,\n.go-Header-menuItem a:visited {\n  align-items: center;\n  border-bottom: 0.1875rem solid transparent;\n  border-top: 0.1875rem solid transparent; /* To ensure the text remains centered. */\n  color: var(--color-text);\n  display: inline-flex;\n  padding: 0 1.5rem;\n  text-align: center;\n  text-decoration: none;\n  width: 100%;\n}\n\n.go-Header-menuItem--active a:link,\n.go-Header-menuItem--active a:visited {\n  border-bottom-color: var(--turq-med);\n  font-weight: bold;\n}\n\n.go-Header-menuItem a:hover {\n  border-bottom-color: var(--white);\n}\n\n.go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-menuItem:focus-within > a:not(.forced-closed).js-desktop-menu-hover {\n  background: var(--white);\n  border-color: var(--white);\n  color: var(--color-text-link);\n}\n\n/* Need to get around icon.css color management */\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light'])\n    .go-Header-menuItem:hover\n    > a:not(.forced-closed).js-desktop-menu-hover\n    .go-Icon,\n  :root:not([data-theme='light'])\n    .go-Header-menuItem:focus-within\n    > a:not(.forced-closed).js-desktop-menu-hover\n    .go-Icon {\n    filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(158deg)\n      brightness(83%) contrast(157%);\n  }\n\n  :root:not([data-theme='light']) .go-Header-submenuItem .go-Icon:not(.go-Icon--accented) {\n    filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n      brightness(80%) contrast(157%);\n  }\n}\n\n.go-NavigationDrawer-listItem > div:not(.go-NavigationDrawer),\n.go-NavigationDrawer-listItem a:link,\n.go-NavigationDrawer-listItem a:visited {\n  display: block;\n  margin: 0 1rem;\n  padding: 0.5rem;\n}\n\n.go-NavigationDrawer-listItem > span {\n  color: var(--gray-2);\n}\n\n.go-Header-inner--dark .go-Header-menuItem a:link,\n.go-Header-inner--dark .go-Header-menuItem a:visited {\n  color: var(--white);\n}\n\n.go-NavigationDrawer-listItem.go-NavigationDrawer-hasSubnav > a i {\n  float: right;\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenuItem {\n  color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .js-desktop-menu-hover.is-expanded {\n  background-color: var(--white);\n  color: var(--color-text-link);\n}\n\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:link,\n.go-Header-inner--dark .go-Header-menuItem .go-Header-submenu a:visited {\n  align-items: baseline;\n  color: var(--color-text-link);\n  display: inline-flex;\n  margin-bottom: -0.125rem;\n  width: auto;\n}\n\n.go-Header-submenu .go-Header-submenuItem a:link,\n.go-Header-submenu .go-Header-submenuItem a:visited {\n  border-bottom: none;\n  font-weight: 400;\n  margin: 0;\n  padding: 0;\n}\n\n.go-Header-submenu .go-Header-submenuItem a:focus {\n  text-decoration: underline !important;\n}\n\n.go-Header-inner--dark .go-Header-menuItem:hover > a:not(.forced-closed).js-desktop-menu-hover,\n.go-Header-inner--dark\n  .go-Header-menuItem:focus-within\n  > a:not(.forced-closed).js-desktop-menu-hover {\n  background: var(--color-background);\n  border-color: var(--color-background);\n}\n\n.go-Header-submenu p {\n  max-width: 15.5rem;\n}\n\n.go-Header-submenu a:link:hover,\n.go-Header-submenu a:visited:hover {\n  border-bottom: 0.125rem solid var(--turq-dark);\n  text-decoration: none;\n}\n\n.go-Header-submenu a:link:hover > *,\n.go-Header-submenu a:visited:hover > * {\n  text-decoration: none;\n}\n\n.go-Header-submenu .go-Header-submenuItem {\n  line-height: 1;\n  padding-bottom: 1.5rem;\n}\n\n.go-Header-submenu .go-Header-submenuItem p {\n  color: var(--color-text-subtle);\n  font-size: 0.875rem;\n  margin-top: 0.55rem;\n}\n\n.go-Header-inner--dark .go-Header-submenu .go-Header-submenuItem p {\n  color: var(--color-text-subtle);\n}\n\n.go-Header-navOpen {\n  background: no-repeat center/2rem url('/images/menu-24px.svg');\n  border: none;\n  height: 2.5rem;\n  margin-left: 1rem;\n  width: 2.5rem;\n}\n\n.go-Header-navOpen--hidden {\n  display: none;\n}\n\n.go-Header-navOpen--white {\n  background: no-repeat center/2rem url('/static/shared/icon/menu_gm_grey_24dp.svg');\n  filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n    brightness(103%) contrast(107%);\n}\n\n.go-SearchForm--expanded {\n  flex-grow: 1;\n}\n\n.go-SearchForm-form {\n  display: none;\n}\n\n.go-SearchForm-form::after {\n  right: 2.75rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-form {\n  display: flex;\n}\n\n.go-SearchForm-expandSearch {\n  appearance: none;\n  background: none;\n  font-size: 1.5rem;\n}\n\n.go-SearchForm--expanded .go-SearchForm-expandSearch {\n  display: none;\n}\n\n@media only screen and (min-width: 32rem) {\n  .go-Header-rightContent {\n    width: 100%;\n  }\n\n  .go-SearchForm {\n    flex: 1;\n  }\n\n  .go-SearchForm-form {\n    display: flex;\n  }\n\n  .go-SearchForm-expandSearch {\n    display: none;\n  }\n\n  .go-Header-logo--hidden {\n    display: initial;\n  }\n}\n\n.go-NavigationDrawer {\n  background: var(--color-background);\n  height: 100%;\n  left: auto;\n  max-width: 27rem;\n  position: fixed;\n  right: 0;\n  top: 0;\n  transform: translateX(100%);\n  transition: transform 100ms ease-in-out;\n  width: 85%;\n  z-index: 30;\n}\n@media only screen and (min-width: 65rem) {\n  .go-NavigationDrawer {\n    display: none;\n  }\n}\n\n.go-NavigationDrawer.is-active {\n  transform: translateX(0);\n}\n\n.go-NavigationDrawer-header {\n  border-bottom: 0.0625rem solid #eee;\n  margin-bottom: 0.5rem;\n}\n\n.go-NavigationDrawer-submenuItem {\n  width: 100%;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header {\n  align-items: center;\n  color: var(--color-text-link);\n  display: flex;\n  font-size: 1.375rem;\n  justify-content: flex-start;\n  min-height: 4.0625rem;\n  padding: 0.5rem;\n  padding-left: 1.5rem;\n}\n\n.go-NavigationDrawer-submenuItem .go-NavigationDrawer-header > a {\n  display: flex;\n  margin-left: 0;\n}\n\n.go-NavigationDrawer-logo {\n  display: block;\n  height: 2rem;\n  margin: 1rem;\n  width: 5.125rem;\n}\n\n.go-NavigationDrawer-list {\n  list-style: none;\n  margin: 0;\n  padding: 0;\n}\n\n.go-NavigationDrawer-listItem {\n  color: var(--color-text-subtle);\n  font-size: 1.125rem;\n  margin: 0 0.5rem;\n}\n\n.go-NavigationDrawer-listItem--active {\n  background-color: var(--blue);\n  border-radius: 0.4rem;\n}\n\n.go-NavigationDrawer-listItem .material-icons {\n  color: var(--color-brand-primary);\n  display: inline-block;\n  margin-right: 0.5rem;\n  text-decoration: none;\n  vertical-align: sub;\n}\n@media only screen and (max-width: 57.7rem) {\n  .go-NavigationDrawer-listItem .go-Header-socialIcons {\n    padding: 0.5rem 0;\n  }\n\n  .go-NavigationDrawer-listItem a.go-Header-socialIcon {\n    display: inline-block;\n    margin: 0;\n    padding: 0 0.5rem;\n  }\n\n  @media (prefers-color-scheme: dark) {\n    :root:not([data-theme='light']) .go-NavigationDrawer-listItem .go-Icon:not(.go-Icon--accented) {\n      filter: brightness(0) saturate(100%) invert(60%) sepia(97%) saturate(125%) hue-rotate(163deg)\n        brightness(80%) contrast(157%);\n    }\n  }\n}\n\n.go-NavigationDrawer-scrim {\n  display: none;\n  height: 100%;\n  left: 0;\n  position: fixed;\n  top: 0;\n  width: 100%;\n  z-index: 20;\n}\n\n.go-NavigationDrawer.is-active + .go-NavigationDrawer-scrim {\n  background-color: var(--gray-1);\n  display: block;\n  opacity: 0.32;\n}\n\n.skip-to-content-link {\n  background: var(--color-background);\n  border-radius: 0.375rem;\n  clip: rect(0 0 0 0);\n  color: var(--color-text);\n  font-weight: 500;\n  left: 8%;\n  margin: 0.313rem;\n  overflow: hidden;\n  position: absolute;\n  top: 0.75rem;\n}\n\n.skip-to-content-link:focus {\n  clip: unset;\n  z-index: 1;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.depsdev-Icon {\n  height: 1.125em;\n  vertical-align: text-bottom;\n  width: auto;\n}\n\n.go-Icon {\n  filter: none;\n  height: 1.125em;\n  vertical-align: text-bottom;\n  width: auto;\n}\n\n.go-Icon--accented {\n  filter: brightness(0) invert(45%) sepia(94%) saturate(6735%) hue-rotate(176deg) brightness(94%)\n    contrast(101%);\n}\n\n.go-Icon--inverted {\n  filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n    brightness(103%) contrast(107%);\n  @media (forced-colors: active) and (prefers-color-scheme: light) {\n    filter: brightness(500%) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n      brightness(103%) contrast(107%);\n  }\n}\n\n[data-theme='dark'] .go-Icon:not(.go-Icon--accented) {\n  filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n    brightness(103%) contrast(107%);\n}\n\n[data-theme='dark'] .go-Icon--accented {\n  filter: brightness(0) invert(69%) sepia(46%) saturate(466%) hue-rotate(153deg) brightness(90%)\n    contrast(88%);\n}\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light']) .go-Icon:not(.go-Icon--accented) {\n    filter: brightness(0) saturate(100%) invert(100%) sepia(97%) saturate(13%) hue-rotate(245deg)\n      brightness(103%) contrast(107%);\n  }\n\n  :root:not([data-theme='light']) .go-Icon--accented {\n    filter: brightness(0) invert(57%) sepia(63%) saturate(4864%) hue-rotate(160deg) brightness(100%)\n      contrast(101%);\n  }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Message {\n  color: var(--color-text);\n  font-size: 0.875rem;\n  line-height: 1.5rem;\n  padding: 0.25rem 0.5rem;\n  width: 100%;\n}\n\n.go-Message--notice {\n  background-color: var(--color-background-info);\n}\n\n.go-Message--warning {\n  background-color: var(--color-background-warning);\n  color: var(--gray-1);\n}\n\n.go-Message--alert {\n  background-color: var(--color-background-alert);\n}\n\n.go-Message > .go-Icon {\n  vertical-align: text-top;\n}\n\n[data-theme='dark'] .go-Message a:not(:hover) {\n  color: var(--color-text);\n  text-decoration: underline;\n}\n\n[data-theme='dark'] .go-Message--warning .go-Icon {\n  filter: none;\n}\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light']) .go-Message--warning .go-Icon {\n    filter: none;\n  }\n}\n", "dialog {\n  position: absolute;\n  left: 0; right: 0;\n  width: -moz-fit-content;\n  width: -webkit-fit-content;\n  width: fit-content;\n  height: -moz-fit-content;\n  height: -webkit-fit-content;\n  height: fit-content;\n  margin: auto;\n  border: solid;\n  padding: 1em;\n  background: white;\n  color: black;\n  display: block;\n}\n\ndialog:not([open]) {\n  display: none;\n}\n\ndialog + .backdrop {\n  position: fixed;\n  top: 0; right: 0; bottom: 0; left: 0;\n  background: rgba(0,0,0,0.1);\n}\n\n._dialog_overlay {\n  position: fixed;\n  top: 0; right: 0; bottom: 0; left: 0;\n}\n\ndialog.fixed {\n  position: fixed;\n  top: 50%;\n  transform: translate(0, -50%);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../../../third_party/dialog-polyfill/dialog-polyfill.css');\n\n.go-Modal {\n  background: var(--color-background);\n  border: var(--border);\n  border-radius: var(--border-radius);\n  bottom: 0;\n  box-shadow: var(--box-shadow);\n  color: var(--color-text);\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n  max-height: 100%;\n  max-width: 100%;\n  position: fixed;\n  top: 0;\n}\n\n.go-Modal > form {\n  display: contents;\n}\n\n.go-Modal--small {\n  width: 20rem;\n}\n\n.go-Modal--md {\n  width: 30rem;\n}\n\n.go-Modal--lg {\n  width: 40rem;\n}\n\n.go-Modal-header {\n  display: flex;\n  justify-content: space-between;\n}\n\n.go-Modal-header h2 {\n  font-size: 1.15rem;\n  line-height: 1.25rem;\n}\n\n.go-Modal-body {\n  flex-grow: 1;\n  min-height: 2rem;\n  min-width: 18rem;\n}\n\n.go-Modal-actions {\n  text-align: right;\n}\n\n/* Safari only */\n@media not all and (min-resolution: 0.001dpcm) {\n  @supports (-webkit-appearance: none) {\n    .go-Modal {\n      padding-bottom: 0;\n    }\n  }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tree {\n  --js-tree-height: 0;\n\n  display: flex;\n  flex-direction: column;\n}\n\n.go-Tree ul {\n  list-style: none;\n  padding-left: 0;\n}\n\n.go-Tree li:last-of-type {\n  padding-bottom: 0.25rem;\n}\n\n.go-Tree a + ul {\n  display: none;\n}\n\n.go-Tree a[aria-expanded='true'] + ul[role='group'] {\n  display: block;\n}\n\n.go-Tree a[aria-level='1'] + ul[role='group'] {\n  max-height: calc(\n    100vh - var(--js-tree-height, 0) - var(--js-sticky-header-height, 3.5rem) - 5rem\n  );\n  overflow-y: auto;\n  padding: 0.5rem 0.25rem 0;\n}\n\n.go-Tree a {\n  color: var(--color-text-subtle);\n  display: block;\n  line-height: 1.5rem;\n  overflow: hidden;\n  padding: 0.125rem 0 0.125rem 1.25rem;\n  position: relative;\n  text-overflow: ellipsis;\n  user-select: none;\n  white-space: nowrap;\n}\n\n.go-Tree > li > a,\n.go-Tree a[aria-level='1'] {\n  display: block;\n  font-size: 1rem;\n  font-weight: 500;\n  line-height: 2.5rem;\n  padding: 0 1rem;\n}\n\n.go-Tree a:focus,\n.go-Tree a:hover {\n  text-decoration: underline;\n  z-index: 1;\n}\n\n.go-Tree a[aria-selected='true'] {\n  color: var(--color-text);\n  font-weight: 500;\n}\n\n.go-Tree a[aria-level='1'][aria-selected='true'],\n.go-Tree a[aria-level='1'][aria-expanded='true'] {\n  background-color: var(--color-background-accented);\n}\n\n.go-Tree a[aria-level='3'][aria-expanded='true'] {\n  margin-bottom: 0.375em;\n}\n\n.go-Tree a[aria-level='2'] {\n  margin-bottom: 0.25rem;\n  position: relative;\n}\n\n.go-Tree a[aria-level='3'] {\n  padding-left: 2.5rem;\n}\n\n.go-Tree a[aria-level='4'] {\n  border-left: 0.125rem solid var(--color-background-accented);\n  margin-left: 2.5rem;\n  padding-left: 0.5rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='2']:not([aria-expanded])::before,\n.go-Tree a[aria-selected='true'][aria-level='3']:not([aria-expanded])::before {\n  background-color: var(--color-brand-primary);\n  border-radius: 50%;\n  content: '';\n  display: block;\n  height: 0.3125rem;\n  left: 0.4688rem;\n  position: absolute;\n  top: 0.75rem;\n  width: 0.3125rem;\n}\n\n.go-Tree a[aria-expanded][aria-owns][aria-level='2']::before,\n.go-Tree a[aria-expanded][aria-owns][aria-level='3']::before {\n  border-bottom: 0.25rem solid transparent;\n  border-left: 0.25rem solid var(--color-border);\n  border-right: 0;\n  border-top: 0.25rem solid transparent;\n  content: '';\n  display: block;\n  height: 0;\n  left: 0.5rem;\n  position: absolute;\n  top: 0.625rem;\n  transition: transform 0.1s linear;\n  width: 0;\n}\n\n.go-Tree a[aria-expanded='true'][aria-level='2']::before,\n.go-Tree a[aria-expanded='true'][aria-level='3']::before {\n  transform: rotate(90deg);\n}\n\n.go-Tree a[aria-expanded][aria-level='3']:not([empty])::before,\n.go-Tree a[aria-selected][aria-level='3']:not([empty])::before {\n  left: 1.5rem;\n  top: 0.75rem;\n}\n\n.go-Tree a[aria-selected='true'][aria-level='4'] {\n  border-left: 0.125rem solid var(--color-brand-primary);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-TabNav {\n  margin: 0 0 0.5rem;\n}\n\n.go-TabNav ul {\n  display: flex;\n  gap: 2rem;\n}\n\n.go-TabNav li {\n  border-bottom: 0.25rem transparent solid;\n  display: flex;\n  font-size: 1rem;\n  height: 2.375rem;\n  padding: 0 0.25rem;\n}\n\n.go-TabNav li[aria-current] {\n  border-color: var(--color-brand-primary);\n}\n\n.go-TabNav li:hover {\n  border-color: var(--color-brand-primary);\n}\n\n.go-TabNav a {\n  align-items: center;\n  color: var(--color-text-subtle);\n  display: inline-flex;\n}\n\n.go-TabNav li:hover a {\n  text-decoration: none;\n}\n\n.go-TabNav li[aria-current] a {\n  color: var(--color-text);\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.go-Tooltip {\n  border-radius: var(--border-radius);\n  cursor: pointer;\n  display: inline-block;\n  position: relative;\n}\n\n.go-Tooltip > summary {\n  list-style: none;\n}\n\n.go-Tooltip > summary::-webkit-details-marker,\n.go-Tooltip > summary::marker {\n  display: none;\n}\n\n.go-Tooltip > summary > img {\n  vertical-align: text-bottom;\n}\n\n.go-Tooltip p {\n  background: var(--color-background) 80%;\n  border: var(--border);\n  border-radius: var(--border-radius);\n  color: var(--color-text);\n  font-size: 0.75rem;\n  letter-spacing: 0.0187rem;\n  line-height: 1rem;\n  padding: 0.5rem;\n  position: absolute;\n  top: 1.5rem;\n  white-space: normal;\n  width: 12rem;\n  z-index: 100;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('./reset.css');\n\n/**\n * Typography should be imported first in the list below to ensure expected\n * CSS rule inheritance on text elements.\n */\n@import url('./typography/typography.css');\n@import url('./button/button.css');\n@import url('./breadcrumb/breadcrumb.css');\n@import url('./carousel/carousel.css');\n@import url('./chip/chip.css');\n@import url('./clipboard/clipboard.css');\n@import url('./color/color.css');\n@import url('./footer/footer.css');\n@import url('./form/form.css');\n@import url('./gopher/gopher.css');\n@import url('./header/header.css');\n@import url('./icon/icon.css');\n@import url('./message/message.css');\n@import url('./modal/modal.css');\n@import url('./outline/tree.css');\n@import url('./tabnav/tabnav.css');\n@import url('./tooltip/tooltip.css');\n\n:root {\n  /* Padding at the left and right of the viewport. */\n  --gutter: 1.5rem;\n\n  /* Margin between containers in the grid layout. */\n  --gap: 1rem;\n\n  /* The margin placed above elements scrolled to by clicking hash links. */\n  --scroll-margin: calc(\n    var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 2rem\n  );\n\n  /* Default styles for page elements. */\n  --border: 0.0625rem solid var(--color-border);\n  --border-radius: 0.25rem;\n  --box-shadow: 0 0 0.375rem 0 rgb(0 0 0 / 25%);\n  --focus-box-shadow: 0 0 0.0625rem 0.0625rem rgb(0 112 210 / 60%);\n}\n\n[data-theme='dark'] {\n  --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n}\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light']) {\n    --box-shadow: 0 0.3125rem 0.9375rem rgb(0 0 0 / 45%);\n  }\n}\n@media (min-width: 50rem) {\n  :root {\n    --gap: 2rem;\n    --scroll-margin: calc(\n      var(--js-sticky-header-height, 3.5rem) + var(--js-sticky-nav-height, 0) + 1rem\n    );\n  }\n}\n\n*:target {\n  scroll-margin-top: var(--scroll-margin);\n}\n\nbody {\n  background-color: var(--color-background);\n  display: flex;\n  flex-direction: column;\n  min-height: 100vh;\n  min-width: 23.5rem;\n\n  /**\n   * This is used to programatically detect whether overflow needs to be altered\n   * to prevent jitter when focusing within fixed elements on iOS.\n   * It also must be set to 'touch' for the fix to work.\n   */\n  -webkit-overflow-scrolling: touch;\n}\n\n.go-Container {\n  display: flex;\n  flex-direction: column;\n  flex-grow: 1;\n  height: 100%;\n  margin-bottom: 5rem;\n}\n\n.go-Content {\n  display: flex;\n  flex-flow: column;\n  gap: 1rem;\n  margin: 0 auto;\n  max-width: 63rem;\n  min-height: 32rem;\n  padding: 2rem var(--gutter);\n  width: 100%;\n}\n\n.go-Content--center {\n  justify-content: center;\n  margin: auto;\n}\n", "/*!\n* Copyright 2021 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n.JumpDialog-body {\n  height: 12rem;\n  overflow-y: auto;\n}\n\n.JumpDialog-list {\n  display: flex;\n  flex-direction: column;\n}\n\n.JumpDialog-input {\n  width: 100%;\n}\n\n.JumpDialog a {\n  padding: 0.25rem;\n  text-decoration: none;\n}\n\n.JumpDialog .JumpDialog-active {\n  background-color: var(--color-brand-primary);\n  color: var(--white);\n}\n\n.ShortcutsDialog-key {\n  text-align: right;\n}\n\n.ShortcutsDialog table {\n  padding: 0 1rem;\n}\n\n.ShortcutsDialog td {\n  padding-bottom: 0.5rem;\n  padding-left: 0.5rem;\n}\n\n.ShortcutsDialog-theme span {\n  display: none;\n}\n\n[data-theme='light'] .ShortcutsDialog-themeLight {\n  display: initial;\n}\n\n[data-theme='dark'] .ShortcutsDialog-themeDark {\n  display: initial;\n}\n\n[data-theme=''] .ShortcutsDialog-themeAuto,\n[data-theme='auto'] .ShortcutsDialog-themeAuto {\n  display: initial;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../shared/shared.css');\n@import url('_modals.css');\n\n.Cookie-notice {\n  align-items: center;\n  background-color: var(--color-background);\n  border-top: var(--border);\n  bottom: 0;\n  color: var(--color-text);\n  display: none;\n  gap: 1rem;\n  justify-content: center;\n  left: 0;\n  padding: 1rem;\n  position: fixed;\n  right: 0;\n  z-index: 100;\n}\n\n.Cookie-notice--visible {\n  display: flex;\n}\n"],
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   "names": []
 }
diff --git a/static/frontend/homepage/homepage.min.css b/static/frontend/homepage/homepage.min.css
index 345602b..3b063f0 100644
--- a/static/frontend/homepage/homepage.min.css
+++ b/static/frontend/homepage/homepage.min.css
@@ -3,7 +3,7 @@
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file.
  */
-.go-SearchForm{display:none}.Homepage-logo{border-radius:var(--border-radius);display:block;height:10rem;margin:3.125rem auto;width:auto}[data-theme=dark] .Homepage-logo{mix-blend-mode:difference}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .Homepage-logo{mix-blend-mode:difference}}@media only screen and (min-width: 52rem){.Homepage{margin:2rem auto}.Homepage-logo{margin:3.5rem auto}}.Homepage-search{--border-radius: .5rem;height:3rem;margin:2.5rem auto 0;max-width:45.0625rem;position:relative;width:100%}.Homepage-search:before{background:url(/static/shared/icon/search_gm_grey_24dp.svg) left no-repeat;content:"";height:3rem;left:.75rem;position:absolute;width:1.5rem;z-index:3}.Homepage-search .go-Select,.Homepage-search .go-Input{padding-left:2.5rem}.Homepage-search--symbol .go-Input{border-bottom-right-radius:var(--border-radius);border-top-right-radius:var(--border-radius);padding-left:2.5rem}.Homepage-search .go-Button{justify-content:center;width:7.375rem}.Homepage-search--symbol .go-Button{display:none}@media only screen and (min-width: 30rem){.Homepage-search--symbol .go-Input{border-bottom-right-radius:0;border-top-right-radius:0}.Homepage-search--symbol .go-Button{display:inline-flex}}.Homepage-closeIcon{background:var(--color-input);border-bottom:var(--border);border-color:var(--color-brand-primary);border-left:0;border-top:var(--border);color:var(--color-button);cursor:pointer;display:inline-block;font-weight:700;padding-left:.5rem;padding-right:.5rem}.Homepage-closeIcon:hover,.Homepage-closeIcon:focus,.Homepage-closeIcon:focus-within,.Homepage-closeIcon:active{border-left:0!important}.Homepage-search--input:hover,.Homepage-search--input:focus,.Homepage-search--input:focus-within,.Homepage-search--input:active{border-right:0!important}input[type=search]::-webkit-search-decoration{display:none}.Homepage-tips{margin:auto;max-width:45.0625rem;width:100%}[data-local=true] .Homepage-tips{display:none}.Homepage-examples{align-items:center;display:flex;flex-direction:column;font-size:.875rem;gap:.5rem 1rem;justify-content:space-between;margin:0 auto;max-width:45.0625rem;white-space:nowrap;width:inherit}@media only screen and (min-width: 52rem){.Homepage-examples{flex-direction:row}}.Homepage-examplesTitle{color:var(--color-text-subtle);font-weight:500;text-transform:uppercase}.Homepage-examplesList{display:flex;flex-grow:1;flex-wrap:wrap;gap:.5rem 2rem}a.Homepage-helpLink{align-items:center;display:inline-flex;font-size:1em;font-weight:initial;margin-left:.5rem;white-space:nowrap}.Homepage-helpLink img{height:1rem;margin-left:.25rem;position:relative;top:.1875rem;width:1rem}.Homepage-modules{margin:auto;max-width:45.0625rem;width:100%}.Homepage-modules-header{color:var(--color-text);font-weight:700}.Homepage-modules ul{list-style:circle;padding:0 1.5rem}.Homepage-modules ul>li{font-size:1rem;line-height:1.75rem}.Questions{background:var(--color-background-accented);color:var(--color-text);display:flex;padding-bottom:1rem;padding-top:.5rem}.Questions-header{color:var(--color-text);font-weight:700;margin:1rem 0}.Questions-content{flex-grow:1;margin:0 auto;max-width:75.75rem;padding:0 1.5rem}.Questions-content a{color:var(--color-bright-text-link)}.Questions-content ul{list-style:none;padding-inline-start:0}.Questions-content ul>li{font-size:.875rem;line-height:1.75rem}
+.go-SearchForm{display:none}.Homepage-logo{border-radius:var(--border-radius);display:block;height:10rem;margin:3.125rem auto;width:auto}[data-theme=dark] .Homepage-logo{mix-blend-mode:difference}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .Homepage-logo{mix-blend-mode:difference}}@media only screen and (min-width: 52rem){.Homepage{margin:2rem auto}.Homepage-logo{margin:3.5rem auto}}.Homepage-search{--border-radius: .5rem;height:3rem;margin:2.5rem auto 0;max-width:45.0625rem;position:relative;width:100%}.Homepage-search:before{background:url(/static/shared/icon/search_gm_grey_24dp.svg) left no-repeat;content:"";height:3rem;left:.75rem;position:absolute;width:1.5rem;z-index:3}.Homepage-search .go-Select,.Homepage-search .go-Input{padding-left:2.5rem}.Homepage-search--symbol .go-Input{border-bottom-right-radius:var(--border-radius);border-top-right-radius:var(--border-radius);padding-left:2.5rem}.Homepage-search .go-Button{justify-content:center;width:7.375rem}.Homepage-search--symbol .go-Button{display:none}@media only screen and (min-width: 30rem){.Homepage-search--symbol .go-Input{border-bottom-right-radius:0;border-top-right-radius:0}.Homepage-search--symbol .go-Button{display:inline-flex}}.Homepage-closeIcon{background:var(--color-input);border-bottom:var(--border);border-color:var(--color-brand-primary);border-left:0;border-top:var(--border);color:var(--color-button);cursor:pointer;display:inline-block;font-weight:700;padding-left:.5rem;padding-right:.5rem}.Homepage-closeIcon:hover,.Homepage-closeIcon:focus,.Homepage-closeIcon:focus-within,.Homepage-closeIcon:active{border-left:0!important}.Homepage-search--input:hover,.Homepage-search--input:focus,.Homepage-search--input:focus-within,.Homepage-search--input:active{border-right:0!important}input[type=search]::-webkit-search-decoration{display:none}.Homepage-tips{margin:auto;max-width:45.0625rem;width:100%}[data-local=true] .Homepage-tips{display:none}.Homepage-examples{align-items:center;display:flex;flex-direction:column;font-size:.875rem;gap:.5rem 1rem;justify-content:space-between;margin:0 auto;max-width:45.0625rem;white-space:nowrap;width:inherit}@media only screen and (min-width: 52rem){.Homepage-examples{flex-direction:row}}.Homepage-examplesTitle{color:var(--color-text-subtle);font-weight:500;text-transform:uppercase}.Homepage-examplesList{display:flex;flex-grow:1;flex-wrap:wrap;gap:.5rem 2rem}a.Homepage-helpLink{align-items:center;display:inline-flex;font-size:1em;font-weight:initial;margin-left:.5rem;white-space:nowrap}.Homepage-helpLink img{height:1rem;margin-left:.25rem;position:relative;top:.1875rem;width:1rem}.Homepage-modules{margin:auto;max-width:45.0625rem;width:100%}.Homepage-modules-header{color:var(--color-text);font-weight:700}.Homepage-modules ul{list-style:circle;padding:0 1.5rem}.Homepage-modules ul>li{font-size:1rem;line-height:1.75rem}.Questions{background:var(--color-background-accented);color:var(--color-text);display:flex;padding-bottom:1rem;padding-top:.5rem}.Questions-header{color:var(--color-text);font-weight:700;margin:1rem 0}.Questions-content{flex-grow:1;margin:0 auto;max-width:75.75rem;padding:0 1.5rem}.Questions-content a{color:var(--color-bright-text-link)}.Questions-content ul{list-style:none;padding-inline-start:0}.Questions-content ul>li{font-size:.875rem;line-height:1.75rem}
 /*!
  * Copyright 2020 The Go Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style
diff --git a/static/frontend/homepage/homepage.min.css.map b/static/frontend/homepage/homepage.min.css.map
index 35a0605..2ac924b 100644
--- a/static/frontend/homepage/homepage.min.css.map
+++ b/static/frontend/homepage/homepage.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["homepage.css"],
   "sourcesContent": ["/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/* Hide the search form in the header. */\n.go-SearchForm {\n  display: none;\n}\n\n.Homepage-logo {\n  border-radius: var(--border-radius);\n  display: block;\n  height: 10rem;\n  margin: 3.125rem auto;\n  width: auto;\n}\n\n[data-theme='dark'] .Homepage-logo {\n  mix-blend-mode: difference;\n}\n@media (prefers-color-scheme: dark) {\n  :root:not([data-theme='light']) .Homepage-logo {\n    mix-blend-mode: difference;\n  }\n}\n@media only screen and (min-width: 52rem) {\n  .Homepage {\n    margin: 2rem auto;\n  }\n\n  .Homepage-logo {\n    margin: 3.5rem auto;\n  }\n}\n\n.Homepage-search {\n  --border-radius: 0.5rem;\n\n  height: 3rem;\n  margin: 2.5rem auto 0;\n  max-width: 45.0625rem;\n  position: relative;\n  width: 100%;\n}\n\n.Homepage-search::before {\n  background: url('/static/shared/icon/search_gm_grey_24dp.svg') left no-repeat;\n  content: '';\n  height: 3rem;\n  left: 0.75rem;\n  position: absolute;\n  width: 1.5rem;\n  z-index: 3;\n}\n\n.Homepage-search .go-Select {\n  padding-left: 2.5rem;\n}\n\n.Homepage-search .go-Input {\n  padding-left: 2.5rem;\n}\n\n.Homepage-search--symbol .go-Input {\n  border-bottom-right-radius: var(--border-radius);\n  border-top-right-radius: var(--border-radius);\n  padding-left: 2.5rem;\n}\n\n.Homepage-search .go-Button {\n  justify-content: center;\n  width: 7.375rem;\n}\n\n.Homepage-search--symbol .go-Button {\n  display: none;\n}\n@media only screen and (min-width: 30rem) {\n  .Homepage-search--symbol .go-Input {\n    border-bottom-right-radius: 0;\n    border-top-right-radius: 0;\n  }\n\n  .Homepage-search--symbol .go-Button {\n    display: inline-flex;\n  }\n}\n\n.Homepage-closeIcon {\n  background: var(--color-input);\n  border-bottom: var(--border);\n  border-color: var(--color-brand-primary);\n  border-left: 0;\n  border-top: var(--border);\n  color: var(--color-button);\n  cursor: pointer;\n  display: inline-block;\n  font-weight: bold;\n  padding-left: 0.5rem;\n  padding-right: 0.5rem;\n}\n\n.Homepage-closeIcon:hover,\n.Homepage-closeIcon:focus,\n.Homepage-closeIcon:focus-within,\n.Homepage-closeIcon:active {\n  border-left: 0 !important;\n}\n\n.Homepage-search--input:hover,\n.Homepage-search--input:focus,\n.Homepage-search--input:focus-within,\n.Homepage-search--input:active {\n  border-right: 0 !important;\n}\n\ninput[type='search']::-webkit-search-decoration {\n  display: none;\n}\n\n.Homepage-tips {\n  margin: auto;\n  max-width: 45.0625rem;\n  width: 100%;\n}\n\n[data-local='true'] .Homepage-tips {\n  display: none;\n}\n\n.Homepage-examples {\n  align-items: center;\n  display: flex;\n  flex-direction: column;\n  font-size: 0.875rem;\n  gap: 0.5rem 1rem;\n  justify-content: space-between;\n  margin: 0 auto;\n  max-width: 45.0625rem;\n  white-space: nowrap;\n  width: inherit;\n}\n@media only screen and (min-width: 52rem) {\n  .Homepage-examples {\n    flex-direction: row;\n  }\n}\n\n.Homepage-examplesTitle {\n  color: var(--color-text-subtle);\n  font-weight: 500;\n  text-transform: uppercase;\n}\n\n.Homepage-examplesList {\n  display: flex;\n  flex-grow: 1;\n  flex-wrap: wrap;\n  gap: 0.5rem 2rem;\n}\n\na.Homepage-helpLink {\n  align-items: center;\n  display: inline-flex;\n  font-size: 1em;\n  font-weight: initial;\n  margin-left: 0.5rem;\n  white-space: nowrap;\n}\n\n.Homepage-helpLink img {\n  height: 1rem;\n  margin-left: 0.25rem;\n  position: relative;\n  top: 0.1875rem;\n  width: 1rem;\n}\n\n.Homepage-modules {\n  margin: auto;\n  max-width: 45.0625rem;\n  width: 100%;\n}\n\n.Homepage-modules-header {\n  color: var(--color-text);\n  font-weight: bold;\n}\n\n.Homepage-modules ul {\n  list-style: circle;\n  padding: 0 1.5rem;\n}\n\n.Homepage-modules ul > li {\n  font-size: 1rem;\n  line-height: 1.75rem;\n}\n\n.Questions {\n  background: var(--color-background-accented);\n  color: var(--color-text);\n  display: flex;\n  padding-bottom: 1rem;\n  padding-top: 0.5rem;\n}\n\n.Questions-header {\n  color: var(--color-text);\n  font-weight: bold;\n  margin: 1rem 0;\n}\n\n.Questions-content {\n  flex-grow: 1;\n  margin: 0 auto;\n  max-width: 75.75rem;\n  padding: 0 1.5rem;\n}\n\n.Questions-content a {\n  color: var(--color-bright-text-link);\n}\n\n.Questions-content ul {\n  list-style: none;\n  padding-inline-start: 0;\n}\n\n.Questions-content ul > li {\n  font-size: 0.875rem;\n  line-height: 1.75rem;\n}\n"],
-  "mappings": ";;;;;AAOA,CAAC,cACC,QAAS,IACX,CAEA,CAAC,cACC,cAAe,IAAI,iBACnB,QAAS,MACT,OAAQ,MAdV,OAeU,SAAS,KACjB,MAAO,IACT,CAEA,CAAC,iBAAmB,CARnB,cASC,eAAgB,UAClB,CACA,OAAO,CAAC,oBAAoB,EAAE,MAC5B,KAAK,KAAK,CAAC,mBAAqB,CAZjC,cAaG,eAAgB,UAClB,CACF,CACA,OAAO,KAAK,OAAO,IAAI,CAAC,SAAS,EAAE,OACjC,CAAC,SA5BH,OA6BY,KAAK,IACf,CAEA,CArBD,cAXD,OAiCY,OAAO,IACjB,CACF,CAEA,CAAC,gBACC,iBAAiB,MAEjB,OAAQ,KAxCV,OAyCU,OAAO,KAAK,EACpB,UAAW,WACX,SAAU,SACV,MAAO,IACT,CAEA,CAVC,eAUe,QACd,WAAY,iDAAmD,KAAK,UACpE,QAAS,GACT,OAAQ,KACR,KAAM,OACN,SAAU,SACV,MAAO,OACP,QAAS,CACX,CAEA,CApBC,gBAoBgB,CAAC,UAIlB,CAxBC,gBAwBgB,CAAC,SAHhB,aAAc,MAChB,CAMA,CAAC,wBAAwB,CAJP,SAKhB,2BAA4B,IAAI,iBAChC,wBAAyB,IAAI,iBAC7B,aAAc,MAChB,CAEA,CAlCC,gBAkCgB,CAAC,UAChB,gBAAiB,OACjB,MAAO,QACT,CAEA,CAXC,wBAWwB,CALP,UAMhB,QAAS,IACX,CACA,OAAO,KAAK,OAAO,IAAI,CAAC,SAAS,EAAE,OACjC,CAfD,wBAe0B,CAnBT,SAoBd,2BAA4B,EAC5B,wBAAyB,CAC3B,CAEA,CApBD,wBAoB0B,CAdT,UAed,QAAS,WACX,CACF,CAEA,CAAC,mBACC,WAAY,IAAI,eAChB,cAAe,IAAI,UACnB,aAAc,IAAI,uBAClB,YAAa,EACb,WAAY,IAAI,UAChB,MAAO,IAAI,gBACX,OAAQ,QACR,QAAS,aACT,YAAa,IACb,aAAc,MACd,cAAe,KACjB,CAEA,CAdC,kBAckB,OACnB,CAfC,kBAekB,OACnB,CAhBC,kBAgBkB,cACnB,CAjBC,kBAiBkB,QACjB,YAAa,WACf,CAEA,CAAC,sBAAsB,OACvB,CADC,sBACsB,OACvB,CAFC,sBAEsB,cACvB,CAHC,sBAGsB,QACrB,aAAc,WAChB,CAEA,KAAK,CAAC,YAAc,4BAClB,QAAS,IACX,CAEA,CAAC,cA1HD,OA2HU,KACR,UAAW,WACX,MAAO,IACT,CAEA,CAAC,iBAAmB,CANnB,cAOC,QAAS,IACX,CAEA,CAAC,kBACC,YAAa,OACb,QAAS,KACT,eAAgB,OAChB,UAAW,QACX,IAAK,MAAO,KACZ,gBAAiB,cA1InB,OA2IU,EAAE,KACV,UAAW,WACX,YAAa,OACb,MAAO,OACT,CACA,OAAO,KAAK,OAAO,IAAI,CAAC,SAAS,EAAE,OACjC,CAbD,kBAcG,eAAgB,GAClB,CACF,CAEA,CAAC,uBACC,MAAO,IAAI,qBACX,YAAa,IACb,eAAgB,SAClB,CAEA,CAAC,sBACC,QAAS,KACT,UAAW,EACX,UAAW,KACX,IAAK,MAAO,IACd,CAEA,CAAC,CAAC,kBACA,YAAa,OACb,QAAS,YACT,UAAW,IACX,YAAa,QACb,YAAa,MACb,YAAa,MACf,CAEA,CATE,kBASiB,IACjB,OAAQ,KACR,YAAa,OACb,SAAU,SACV,IAAK,SACL,MAAO,IACT,CAEA,CAAC,iBApLD,OAqLU,KACR,UAAW,WACX,MAAO,IACT,CAEA,CAAC,wBACC,MAAO,IAAI,cACX,YAAa,GACf,CAEA,CAXC,iBAWiB,GAChB,WAAY,OAhMd,QAiMW,EAAE,MACb,CAEA,CAhBC,iBAgBiB,EAAG,CAAE,GACrB,UAAW,KACX,YAAa,OACf,CAEA,CAAC,UACC,WAAY,IAAI,6BAChB,MAAO,IAAI,cACX,QAAS,KACT,eAAgB,KAChB,YAAa,KACf,CAEA,CAAC,iBACC,MAAO,IAAI,cACX,YAAa,IAnNf,OAoNU,KAAK,CACf,CAEA,CAAC,kBACC,UAAW,EAxNb,OAyNU,EAAE,KACV,UAAW,SA1Nb,QA2NW,EAAE,MACb,CAEA,CAPC,kBAOkB,EACjB,MAAO,IAAI,yBACb,CAEA,CAXC,kBAWkB,GACjB,WAAY,KACZ,qBAAsB,CACxB,CAEA,CAhBC,kBAgBkB,EAAG,CAAE,GACtB,UAAW,QACX,YAAa,OACf",
+  "mappings": ";;;;;AAOA,eACE,aAGF,eACE,mCACA,cACA,aAdF,qBAgBE,WAGF,iCACE,0BAEF,oCACE,+CACE,2BAGJ,0CACE,UA5BF,iBAgCE,eAhCF,oBAqCA,iBACE,uBAEA,YAxCF,qBA0CE,qBACA,kBACA,WAGF,wBACE,2EACA,WACA,YACA,YACA,kBACA,aACA,UAGF,uDACE,oBAOF,mCACE,gDACA,6CACA,oBAGF,4BACE,uBACA,eAGF,oCACE,aAEF,0CACE,mCACE,6BACA,0BAGF,oCACE,qBAIJ,oBACE,8BACA,4BACA,wCACA,cACA,yBACA,0BACA,eACA,qBACA,gBACA,mBACA,oBAGF,gHAIE,wBAGF,gIAIE,yBAGF,8CACE,aAGF,eA1HA,YA4HE,qBACA,WAGF,iCACE,aAGF,mBACE,mBACA,aACA,sBACA,kBACA,eACA,8BA1IF,cA4IE,qBACA,mBACA,cAEF,0CACE,mBACE,oBAIJ,wBACE,+BACA,gBACA,yBAGF,uBACE,aACA,YACA,eACA,eAGF,oBACE,mBACA,oBACA,cACA,oBACA,kBACA,mBAGF,uBACE,YACA,mBACA,kBACA,aACA,WAGF,kBApLA,YAsLE,qBACA,WAGF,yBACE,wBACA,gBAGF,qBACE,kBAhMF,iBAoMA,wBACE,eACA,oBAGF,WACE,4CACA,wBACA,aACA,oBACA,kBAGF,kBACE,wBACA,gBAnNF,cAuNA,mBACE,YAxNF,cA0NE,mBA1NF,iBA8NA,qBACE,oCAGF,sBACE,gBACA,uBAGF,yBACE,kBACA",
   "names": []
 }
diff --git a/static/frontend/search-help/search-help.min.css.map b/static/frontend/search-help/search-help.min.css.map
index 8c59305..6bfed81 100644
--- a/static/frontend/search-help/search-help.min.css.map
+++ b/static/frontend/search-help/search-help.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["search-help.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.SearchHelp-list {\n  line-height: 1.5rem;\n  list-style: disc;\n  padding-left: 1.5rem;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,gBACC,YAAa,OACb,WAAY,KACZ,aAAc,MAChB",
+  "mappings": ";;;;;AAMA,iBACE,mBACA,gBACA",
   "names": []
 }
diff --git a/static/frontend/search/search.css b/static/frontend/search/search.css
index f961422..0f18255 100644
--- a/static/frontend/search/search.css
+++ b/static/frontend/search/search.css
@@ -93,10 +93,7 @@
   color: var(--color-text-subtle);
   display: flex;
   flex-direction: column;
-  gap: 1rem;
-  justify-content: space-between;
-  line-height: 1.5rem;
-  margin: -0.25rem 0 0.25rem;
+  gap: 0.3rem;
 }
 @media only screen and (min-width: 64rem) {
   .SearchResults-summary {
@@ -105,11 +102,6 @@
   }
 }
 
-.SearchResults-summary h1 {
-  font-size: inherit;
-  font-weight: inherit;
-}
-
 .SearchResults-emptyContentMessage {
   text-align: center;
 }
diff --git a/static/frontend/search/search.js b/static/frontend/search/search.js
index 7f4bdb8..34ab314 100644
--- a/static/frontend/search/search.js
+++ b/static/frontend/search/search.js
@@ -1,4 +1,4 @@
-var s=document.querySelector(".js-siteHeader"),o=document.createElement("div");s?.prepend(o);var c=new IntersectionObserver(([t])=>{if(t.intersectionRatio<1)for(let e of document.querySelectorAll('[class^="SearchResults-header"'))e.setAttribute("data-fixed","true");else for(let e of document.querySelectorAll('[class^="SearchResults-header"'))e.removeAttribute("data-fixed")},{threshold:1,rootMargin:`${3.5*16*3}px`});c.observe(o);var r=document.querySelector(".js-searchHeader");r?.addEventListener("dblclick",t=>{let e=t.target;(e===r||e===r.lastElementChild)&&(window.getSelection()?.removeAllRanges(),window.scrollTo({top:0,behavior:"smooth"}))});
+var o=document.querySelector(".js-siteHeader"),n=document.createElement("div");o==null||o.prepend(n);var c=new IntersectionObserver(([r])=>{if(r.intersectionRatio<1)for(let e of document.querySelectorAll('[class^="SearchResults-header"'))e.setAttribute("data-fixed","true");else for(let e of document.querySelectorAll('[class^="SearchResults-header"'))e.removeAttribute("data-fixed")},{threshold:1,rootMargin:`${3.5*16*3}px`});c.observe(n);var t=document.querySelector(".js-searchHeader");t==null||t.addEventListener("dblclick",r=>{var s;let e=r.target;(e===t||e===t.lastElementChild)&&((s=window.getSelection())==null||s.removeAllRanges(),window.scrollTo({top:0,behavior:"smooth"}))});
 /**
  * @license
  * Copyright 2020 The Go Authors. All rights reserved.
diff --git a/static/frontend/search/search.js.map b/static/frontend/search/search.js.map
index fcc2363..113ad5a 100644
--- a/static/frontend/search/search.js.map
+++ b/static/frontend/search/search.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["search.ts"],
   "sourcesContent": ["/**\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nconst headerHeight = 3.5;\n\n// Append a div above the site header to use for the sticky header transition.\nconst siteHeader = document.querySelector('.js-siteHeader');\nconst headerSentinel = document.createElement('div');\nsiteHeader?.prepend(headerSentinel);\n\n/**\n * headerObserver watches the headerSentinel. When the headerSentinel is out of view a\n * callback function transitions the search results header in to the sticky position.\n */\nconst headerObserver = new IntersectionObserver(\n  ([e]) => {\n    if (e.intersectionRatio < 1) {\n      for (const x of document.querySelectorAll('[class^=\"SearchResults-header\"')) {\n        x.setAttribute('data-fixed', 'true');\n      }\n    } else {\n      for (const x of document.querySelectorAll('[class^=\"SearchResults-header\"')) {\n        x.removeAttribute('data-fixed');\n      }\n    }\n  },\n  { threshold: 1, rootMargin: `${headerHeight * 16 * 3}px` }\n);\nheaderObserver.observe(headerSentinel);\n\n// Add an event listener to scroll to the top of the page when the whitespace on the\n// header is double clicked.\nconst searchHeader = document.querySelector('.js-searchHeader');\nsearchHeader?.addEventListener('dblclick', e => {\n  const target = e.target;\n  if (target === searchHeader || target === searchHeader.lastElementChild) {\n    window.getSelection()?.removeAllRanges();\n    window.scrollTo({ top: 0, behavior: 'smooth' });\n  }\n});\n\nexport {};\n"],
-  "mappings": "AAUA,IAAMA,EAAa,SAAS,cAAc,gBAAgB,EACpDC,EAAiB,SAAS,cAAc,KAAK,EACnDD,GAAY,QAAQC,CAAc,EAMlC,IAAMC,EAAiB,IAAI,qBACzB,CAAC,CAACC,CAAC,IAAM,CACP,GAAIA,EAAE,kBAAoB,EACxB,QAAWC,KAAK,SAAS,iBAAiB,gCAAgC,EACxEA,EAAE,aAAa,aAAc,MAAM,MAGrC,SAAWA,KAAK,SAAS,iBAAiB,gCAAgC,EACxEA,EAAE,gBAAgB,YAAY,CAGpC,EACA,CAAE,UAAW,EAAG,WAAY,GAAG,IAAe,GAAK,CAAC,IAAK,CAC3D,EACAF,EAAe,QAAQD,CAAc,EAIrC,IAAMI,EAAe,SAAS,cAAc,kBAAkB,EAC9DA,GAAc,iBAAiB,WAAYF,GAAK,CAC9C,IAAMG,EAASH,EAAE,QACbG,IAAWD,GAAgBC,IAAWD,EAAa,oBACrD,OAAO,aAAa,GAAG,gBAAgB,EACvC,OAAO,SAAS,CAAE,IAAK,EAAG,SAAU,QAAS,CAAC,EAElD,CAAC",
-  "names": ["siteHeader", "headerSentinel", "headerObserver", "e", "x", "searchHeader", "target"]
+  "mappings": "AAUA,IAAMA,EAAa,SAAS,cAAc,gBAAgB,EACpDC,EAAiB,SAAS,cAAc,KAAK,EACnDD,GAAA,MAAAA,EAAY,QAAQC,GAMpB,IAAMC,EAAiB,IAAI,qBACzB,CAAC,CAACC,CAAC,IAAM,CACP,GAAIA,EAAE,kBAAoB,EACxB,QAAWC,KAAK,SAAS,iBAAiB,gCAAgC,EACxEA,EAAE,aAAa,aAAc,MAAM,MAGrC,SAAWA,KAAK,SAAS,iBAAiB,gCAAgC,EACxEA,EAAE,gBAAgB,YAAY,CAGpC,EACA,CAAE,UAAW,EAAG,WAAY,GAAG,IAAe,GAAK,KAAM,CAC3D,EACAF,EAAe,QAAQD,CAAc,EAIrC,IAAMI,EAAe,SAAS,cAAc,kBAAkB,EAC9DA,GAAA,MAAAA,EAAc,iBAAiB,WAAYF,GAAK,CArChD,IAAAG,EAsCE,IAAMC,EAASJ,EAAE,QACbI,IAAWF,GAAgBE,IAAWF,EAAa,qBACrDC,EAAA,OAAO,aAAa,IAApB,MAAAA,EAAuB,kBACvB,OAAO,SAAS,CAAE,IAAK,EAAG,SAAU,QAAS,CAAC,EAElD",
+  "names": ["siteHeader", "headerSentinel", "headerObserver", "e", "x", "searchHeader", "_a", "target"]
 }
diff --git a/static/frontend/search/search.min.css b/static/frontend/search/search.min.css
index 7cbe498..295d67f 100644
--- a/static/frontend/search/search.min.css
+++ b/static/frontend/search/search.min.css
@@ -3,5 +3,5 @@
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file.
  */
-.go-SearchForm{display:none}.SearchSnippet-sub .go-Chip:hover{background-color:var(--color-background-highlighted)}.SearchResults{font-size:.875rem;padding-top:.75rem}.SearchResults-header{margin:.5rem 0 0}.SearchResults-header[data-fixed]{background-color:var(--color-background-accented);border-bottom:var(--border);height:3.5rem;position:sticky;top:0}.SearchResults-headerContent{align-items:center;display:flex;gap:.5rem;height:100%;margin:auto;max-width:63rem;padding:.5rem var(--gutter)}.SearchResults-headerLogo{--logo-height: 1.75rem;--logo-width: calc(var(--logo-height) / .3768);align-items:center;display:flex;margin-right:-.5rem;opacity:0;transition:opacity .25s ease-in-out,width .25s ease-out;visibility:hidden;width:0}.SearchResults-headerLogo[data-fixed]{margin-right:.5rem;opacity:1;visibility:visible;width:var(--logo-width)}.SearchResults-headerLogo img{height:var(--logo-height);margin:-1rem 0;width:var(--logo-width)}.SearchResults-search{flex-grow:1;max-width:31.5rem}.SearchResults-search:after{right:2.75rem}.SearchResults-tabs{border-bottom:var(--border)}[data-local=true] .SearchResults-tabs{display:none}.SearchResults-tabs nav{margin:auto;max-width:63rem;padding:0 var(--gutter)}.SearchResults-summary{color:var(--color-text-subtle);display:flex;flex-direction:column;gap:1rem;justify-content:space-between;line-height:1.5rem;margin:-.25rem 0 .25rem}@media only screen and (min-width: 64rem){.SearchResults-summary{align-items:baseline;flex-direction:row}}.SearchResults-summary h1{font-size:inherit;font-weight:inherit}.SearchResults-emptyContentMessage{text-align:center}.SearchResults-divider{margin-bottom:2.5rem}.SearchSnippet{display:flex;flex-direction:column;gap:.375rem;padding:0 0 2.75rem}.SearchSnippet h2{font-size:1.25rem;font-weight:400}.SearchSnippet:last-of-type{padding:0 0 1rem}.SearchSnippet-synopsis{-webkit-box-orient:vertical;display:box;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis}.SearchSnippet-infoLabel{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-top:-.0625rem}.SearchSnippet-sub{align-items:center;display:flex;flex-wrap:wrap;gap:.5rem}.SearchSnippet-symbolCode{font-size:.75rem;margin:.25rem 0}.SearchSnippet-sub a[data-hidden]{display:none}.SearchSnippet-sub a{color:var(--color-text-subtle)}.SearchSnippet-sub a:hover{color:var(--color-brand-primary)}.SearchSnippet-headerContainer{align-items:center;display:flex;flex-wrap:wrap;gap:.5rem}.SearchSnippet-header-path{color:var(--color-text-subtle)}.SearchSnippet-symbolKind{color:var(--color-text)}.SearchPagination{height:1.5rem}
+.go-SearchForm{display:none}.SearchSnippet-sub .go-Chip:hover{background-color:var(--color-background-highlighted)}.SearchResults{font-size:.875rem;padding-top:.75rem}.SearchResults-header{margin:.5rem 0 0}.SearchResults-header[data-fixed]{background-color:var(--color-background-accented);border-bottom:var(--border);height:3.5rem;position:sticky;top:0}.SearchResults-headerContent{align-items:center;display:flex;gap:.5rem;height:100%;margin:auto;max-width:63rem;padding:.5rem var(--gutter)}.SearchResults-headerLogo{--logo-height: 1.75rem;--logo-width: calc(var(--logo-height) / .3768);align-items:center;display:flex;margin-right:-.5rem;opacity:0;transition:opacity .25s ease-in-out,width .25s ease-out;visibility:hidden;width:0}.SearchResults-headerLogo[data-fixed]{margin-right:.5rem;opacity:1;visibility:visible;width:var(--logo-width)}.SearchResults-headerLogo img{height:var(--logo-height);margin:-1rem 0;width:var(--logo-width)}.SearchResults-search{flex-grow:1;max-width:31.5rem}.SearchResults-search:after{right:2.75rem}.SearchResults-tabs{border-bottom:var(--border)}[data-local=true] .SearchResults-tabs{display:none}.SearchResults-tabs nav{margin:auto;max-width:63rem;padding:0 var(--gutter)}.SearchResults-summary{color:var(--color-text-subtle);display:flex;flex-direction:column;gap:.3rem}@media only screen and (min-width: 64rem){.SearchResults-summary{align-items:baseline;flex-direction:row}}.SearchResults-emptyContentMessage{text-align:center}.SearchResults-divider{margin-bottom:2.5rem}.SearchSnippet{display:flex;flex-direction:column;gap:.375rem;padding:0 0 2.75rem}.SearchSnippet h2{font-size:1.25rem;font-weight:400}.SearchSnippet:last-of-type{padding:0 0 1rem}.SearchSnippet-synopsis{-webkit-box-orient:vertical;display:box;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis}.SearchSnippet-infoLabel{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-top:-.0625rem}.SearchSnippet-sub{align-items:center;display:flex;flex-wrap:wrap;gap:.5rem}.SearchSnippet-symbolCode{font-size:.75rem;margin:.25rem 0}.SearchSnippet-sub a[data-hidden]{display:none}.SearchSnippet-sub a{color:var(--color-text-subtle)}.SearchSnippet-sub a:hover{color:var(--color-brand-primary)}.SearchSnippet-headerContainer{align-items:center;display:flex;flex-wrap:wrap;gap:.5rem}.SearchSnippet-header-path{color:var(--color-text-subtle)}.SearchSnippet-symbolKind{color:var(--color-text)}.SearchPagination{height:1.5rem}
 /*# sourceMappingURL=search.min.css.map */
diff --git a/static/frontend/search/search.min.css.map b/static/frontend/search/search.min.css.map
index 22b7c1f..7c4e757 100644
--- a/static/frontend/search/search.min.css.map
+++ b/static/frontend/search/search.min.css.map
@@ -1,7 +1,7 @@
 {
   "version": 3,
   "sources": ["search.css"],
-  "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/* Hide the search form in the header. */\n.go-SearchForm {\n  display: none;\n}\n\n.SearchSnippet-sub .go-Chip:hover {\n  background-color: var(--color-background-highlighted);\n}\n\n.SearchResults {\n  font-size: 0.875rem;\n  padding-top: 0.75rem;\n}\n\n.SearchResults-header {\n  margin: 0.5rem 0 0;\n}\n\n.SearchResults-header[data-fixed] {\n  background-color: var(--color-background-accented);\n  border-bottom: var(--border);\n  height: 3.5rem;\n  position: sticky;\n  top: 0;\n}\n\n.SearchResults-headerContent {\n  align-items: center;\n  display: flex;\n  gap: 0.5rem;\n  height: 100%;\n  margin: auto;\n  max-width: 63rem;\n  padding: 0.5rem var(--gutter);\n}\n\n.SearchResults-headerLogo {\n  --logo-height: 1.75rem;\n  --logo-width: calc(var(--logo-height) / 0.3768);\n\n  align-items: center;\n  display: flex;\n  margin-right: -0.5rem;\n  opacity: 0;\n  transition: opacity 0.25s ease-in-out, width 0.25s ease-out;\n  visibility: hidden;\n  width: 0;\n}\n\n.SearchResults-headerLogo[data-fixed] {\n  margin-right: 0.5rem;\n  opacity: 1;\n  visibility: visible;\n  width: var(--logo-width);\n}\n\n.SearchResults-headerLogo img {\n  height: var(--logo-height);\n  margin: -1rem 0;\n  width: var(--logo-width);\n}\n\n.SearchResults-search {\n  flex-grow: 1;\n  max-width: 31.5rem;\n}\n\n.SearchResults-search::after {\n  right: 2.75rem;\n}\n\n.SearchResults-tabs {\n  border-bottom: var(--border);\n}\n\n[data-local='true'] .SearchResults-tabs {\n  display: none;\n}\n\n.SearchResults-tabs nav {\n  margin: auto;\n  max-width: 63rem;\n  padding: 0 var(--gutter);\n}\n\n.SearchResults-summary {\n  color: var(--color-text-subtle);\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n  justify-content: space-between;\n  line-height: 1.5rem;\n  margin: -0.25rem 0 0.25rem;\n}\n@media only screen and (min-width: 64rem) {\n  .SearchResults-summary {\n    align-items: baseline;\n    flex-direction: row;\n  }\n}\n\n.SearchResults-summary h1 {\n  font-size: inherit;\n  font-weight: inherit;\n}\n\n.SearchResults-emptyContentMessage {\n  text-align: center;\n}\n\n.SearchResults-divider {\n  margin-bottom: 2.5rem;\n}\n\n.SearchSnippet {\n  display: flex;\n  flex-direction: column;\n  gap: 0.375rem;\n  padding: 0 0 2.75rem;\n}\n\n.SearchSnippet h2 {\n  font-size: 1.25rem;\n  font-weight: 400;\n}\n\n.SearchSnippet:last-of-type {\n  padding: 0 0 1rem;\n}\n\n.SearchSnippet-synopsis {\n  -webkit-box-orient: vertical;\n  display: box;\n  -webkit-line-clamp: 2;\n  overflow: hidden;\n  text-overflow: ellipsis;\n}\n\n.SearchSnippet-infoLabel {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem 1rem;\n  margin-top: -0.0625rem;\n}\n\n.SearchSnippet-sub {\n  align-items: center;\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem;\n}\n\n.SearchSnippet-symbolCode {\n  font-size: 0.75rem;\n  margin: 0.25rem 0;\n}\n\n.SearchSnippet-sub a[data-hidden] {\n  display: none;\n}\n\n.SearchSnippet-sub a {\n  color: var(--color-text-subtle);\n}\n\n.SearchSnippet-sub a:hover {\n  color: var(--color-brand-primary);\n}\n\n.SearchSnippet-headerContainer {\n  align-items: center;\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem;\n}\n\n.SearchSnippet-header-path {\n  color: var(--color-text-subtle);\n}\n\n.SearchSnippet-symbolKind {\n  color: var(--color-text);\n}\n\n.SearchPagination {\n  height: 1.5rem;\n}\n"],
-  "mappings": ";;;;;AAOA,CAAC,cACC,QAAS,IACX,CAEA,CAAC,kBAAkB,CAAC,OAAO,OACzB,iBAAkB,IAAI,+BACxB,CAEA,CAAC,cACC,UAAW,QACX,YAAa,MACf,CAEA,CAAC,qBApBD,OAqBU,MAAO,EAAE,CACnB,CAEA,CAJC,oBAIoB,CAAC,YACpB,iBAAkB,IAAI,6BACtB,cAAe,IAAI,UACnB,OAAQ,OACR,SAAU,OACV,IAAK,CACP,CAEA,CAAC,4BACC,YAAa,OACb,QAAS,KACT,IAAK,MACL,OAAQ,KApCV,OAqCU,KACR,UAAW,MACX,QAAS,MAAO,IAAI,SACtB,CAEA,CAAC,yBACC,eAAe,QACf,cAAc,KAAK,IAAI,eAAe,EAAE,OAExC,YAAa,OACb,QAAS,KACT,aAAc,OACd,QAAS,EACT,WAAY,QAAQ,KAAM,WAAW,CAAE,MAAM,KAAM,SACnD,WAAY,OACZ,MAAO,CACT,CAEA,CAbC,wBAawB,CAAC,YACxB,aAAc,MACd,QAAS,EACT,WAAY,QACZ,MAAO,IAAI,aACb,CAEA,CApBC,yBAoByB,IACxB,OAAQ,IAAI,eA/Dd,OAgEU,MAAM,EACd,MAAO,IAAI,aACb,CAEA,CAAC,qBACC,UAAW,EACX,UAAW,OACb,CAEA,CALC,oBAKoB,OACnB,MAAO,OACT,CAEA,CAAC,mBACC,cAAe,IAAI,SACrB,CAEA,CAAC,iBAAmB,CAJnB,mBAKC,QAAS,IACX,CAEA,CARC,mBAQmB,IArFpB,OAsFU,KACR,UAAW,MACX,QAAS,EAAE,IAAI,SACjB,CAEA,CAAC,sBACC,MAAO,IAAI,qBACX,QAAS,KACT,eAAgB,OAChB,IAAK,KACL,gBAAiB,cACjB,YAAa,OAjGf,OAkGU,QAAS,EAAE,MACrB,CACA,OAAO,KAAK,OAAO,IAAI,CAAC,SAAS,EAAE,OACjC,CAVD,sBAWG,YAAa,SACb,eAAgB,GAClB,CACF,CAEA,CAhBC,sBAgBsB,GACrB,UAAW,QACX,YAAa,OACf,CAEA,CAAC,kCACC,WAAY,MACd,CAEA,CAAC,sBACC,cAAe,MACjB,CAEA,CAAC,cACC,QAAS,KACT,eAAgB,OAChB,IAAK,QA3HP,QA4HW,EAAE,EAAE,OACf,CAEA,CAPC,cAOc,GACb,UAAW,QACX,YAAa,GACf,CAEA,CAZC,aAYa,cApId,QAqIW,EAAE,EAAE,IACf,CAEA,CAAC,uBACC,mBAAoB,SACpB,QAAS,IACT,mBAAoB,EACpB,SAAU,OACV,cAAe,QACjB,CAEA,CAAC,wBACC,QAAS,KACT,UAAW,KACX,IAAK,MAAO,KACZ,WAAY,SACd,CAEA,CA5IC,kBA6IC,YAAa,OACb,QAAS,KACT,UAAW,KACX,IAAK,KACP,CAEA,CAAC,yBACC,UAAW,OA/Jb,OAgKU,OAAQ,CAClB,CAEA,CAxJC,kBAwJkB,CAAC,CAAC,aACnB,QAAS,IACX,CAEA,CA5JC,kBA4JkB,EACjB,MAAO,IAAI,oBACb,CAEA,CAhKC,kBAgKkB,CAAC,OAClB,MAAO,IAAI,sBACb,CAEA,CAAC,8BACC,YAAa,OACb,QAAS,KACT,UAAW,KACX,IAAK,KACP,CAEA,CAAC,0BACC,MAAO,IAAI,oBACb,CAEA,CAAC,yBACC,MAAO,IAAI,aACb,CAEA,CAAC,iBACC,OAAQ,MACV",
+  "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/* Hide the search form in the header. */\n.go-SearchForm {\n  display: none;\n}\n\n.SearchSnippet-sub .go-Chip:hover {\n  background-color: var(--color-background-highlighted);\n}\n\n.SearchResults {\n  font-size: 0.875rem;\n  padding-top: 0.75rem;\n}\n\n.SearchResults-header {\n  margin: 0.5rem 0 0;\n}\n\n.SearchResults-header[data-fixed] {\n  background-color: var(--color-background-accented);\n  border-bottom: var(--border);\n  height: 3.5rem;\n  position: sticky;\n  top: 0;\n}\n\n.SearchResults-headerContent {\n  align-items: center;\n  display: flex;\n  gap: 0.5rem;\n  height: 100%;\n  margin: auto;\n  max-width: 63rem;\n  padding: 0.5rem var(--gutter);\n}\n\n.SearchResults-headerLogo {\n  --logo-height: 1.75rem;\n  --logo-width: calc(var(--logo-height) / 0.3768);\n\n  align-items: center;\n  display: flex;\n  margin-right: -0.5rem;\n  opacity: 0;\n  transition: opacity 0.25s ease-in-out, width 0.25s ease-out;\n  visibility: hidden;\n  width: 0;\n}\n\n.SearchResults-headerLogo[data-fixed] {\n  margin-right: 0.5rem;\n  opacity: 1;\n  visibility: visible;\n  width: var(--logo-width);\n}\n\n.SearchResults-headerLogo img {\n  height: var(--logo-height);\n  margin: -1rem 0;\n  width: var(--logo-width);\n}\n\n.SearchResults-search {\n  flex-grow: 1;\n  max-width: 31.5rem;\n}\n\n.SearchResults-search::after {\n  right: 2.75rem;\n}\n\n.SearchResults-tabs {\n  border-bottom: var(--border);\n}\n\n[data-local='true'] .SearchResults-tabs {\n  display: none;\n}\n\n.SearchResults-tabs nav {\n  margin: auto;\n  max-width: 63rem;\n  padding: 0 var(--gutter);\n}\n\n.SearchResults-summary {\n  color: var(--color-text-subtle);\n  display: flex;\n  flex-direction: column;\n  gap: 0.3rem;\n}\n@media only screen and (min-width: 64rem) {\n  .SearchResults-summary {\n    align-items: baseline;\n    flex-direction: row;\n  }\n}\n\n.SearchResults-emptyContentMessage {\n  text-align: center;\n}\n\n.SearchResults-divider {\n  margin-bottom: 2.5rem;\n}\n\n.SearchSnippet {\n  display: flex;\n  flex-direction: column;\n  gap: 0.375rem;\n  padding: 0 0 2.75rem;\n}\n\n.SearchSnippet h2 {\n  font-size: 1.25rem;\n  font-weight: 400;\n}\n\n.SearchSnippet:last-of-type {\n  padding: 0 0 1rem;\n}\n\n.SearchSnippet-synopsis {\n  -webkit-box-orient: vertical;\n  display: box;\n  -webkit-line-clamp: 2;\n  overflow: hidden;\n  text-overflow: ellipsis;\n}\n\n.SearchSnippet-infoLabel {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem 1rem;\n  margin-top: -0.0625rem;\n}\n\n.SearchSnippet-sub {\n  align-items: center;\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem;\n}\n\n.SearchSnippet-symbolCode {\n  font-size: 0.75rem;\n  margin: 0.25rem 0;\n}\n\n.SearchSnippet-sub a[data-hidden] {\n  display: none;\n}\n\n.SearchSnippet-sub a {\n  color: var(--color-text-subtle);\n}\n\n.SearchSnippet-sub a:hover {\n  color: var(--color-brand-primary);\n}\n\n.SearchSnippet-headerContainer {\n  align-items: center;\n  display: flex;\n  flex-wrap: wrap;\n  gap: 0.5rem;\n}\n\n.SearchSnippet-header-path {\n  color: var(--color-text-subtle);\n}\n\n.SearchSnippet-symbolKind {\n  color: var(--color-text);\n}\n\n.SearchPagination {\n  height: 1.5rem;\n}\n"],
+  "mappings": ";;;;;AAOA,eACE,aAGF,kCACE,qDAGF,eACE,kBACA,mBAGF,sBApBA,iBAwBA,kCACE,kDACA,4BACA,cACA,gBACA,MAGF,6BACE,mBACA,aACA,UACA,YApCF,YAsCE,gBACA,4BAGF,0BACE,uBACA,+CAEA,mBACA,aACA,oBACA,UACA,wDACA,kBACA,QAGF,sCACE,mBACA,UACA,mBACA,wBAGF,8BACE,0BA/DF,eAiEE,wBAGF,sBACE,YACA,kBAGF,4BACE,cAGF,oBACE,4BAGF,sCACE,aAGF,wBArFA,YAuFE,gBACA,wBAGF,uBACE,+BACA,aACA,sBACA,UAEF,0CACE,uBACE,qBACA,oBAIJ,mCACE,kBAGF,uBACE,qBAGF,eACE,aACA,sBACA,YAnHF,oBAuHA,kBACE,kBACA,gBAGF,4BA5HA,iBAgIA,wBACE,4BACA,YACA,qBACA,gBACA,uBAGF,yBACE,aACA,eACA,eACA,qBAGF,mBACE,mBACA,aACA,eACA,UAGF,0BACE,iBAvJF,gBA2JA,kCACE,aAGF,qBACE,+BAGF,2BACE,iCAGF,+BACE,mBACA,aACA,eACA,UAGF,2BACE,+BAGF,0BACE,wBAGF,kBACE",
   "names": []
 }
diff --git a/static/frontend/search/search.tmpl b/static/frontend/search/search.tmpl
index 1251ba3..235105b 100644
--- a/static/frontend/search/search.tmpl
+++ b/static/frontend/search/search.tmpl
@@ -40,11 +40,9 @@
 {{end}}
 
 {{define "search_symbol"}}
-  <div class="SearchResults-summary">
-    <h1>
+  <div class="SearchResults-summary" role="heading" aria-level="1">
       Showing <strong>{{len $.Results}}</strong> matching {{.SearchModeSymbol}}s.
       <a href="/search-help">Search help</a>
-    </h1>
   </div>
   {{if eq (len .Results) 0}}
     {{template "search_no_results" .}}
@@ -89,10 +87,8 @@
 {{end}}
 
 {{define "search_package"}}
-  <div class="SearchResults-summary">
-    <h1>
-      Showing <strong>{{len .Results}}</strong> modules with matching packages. <a href="/search-help">Search help</a>
-    </h1>
+  <div class="SearchResults-summary" role="heading" aria-level="1">
+    Showing <strong>{{len .Results}}</strong> modules with matching packages. <a href="/search-help">Search help</a>
   </div>
   {{if eq (len .Results) 0}}
     {{template "search_no_results" .}}
diff --git a/static/frontend/styleguide/styleguide.js b/static/frontend/styleguide/styleguide.js
index c27a51e..1f82f80 100644
--- a/static/frontend/styleguide/styleguide.js
+++ b/static/frontend/styleguide/styleguide.js
@@ -1,4 +1,4 @@
-var d=class{constructor(e){this.el=e;this.setActive=e=>{this.activeIndex=(e+this.slides.length)%this.slides.length,this.el.setAttribute("data-slide-index",String(this.activeIndex));for(let t of this.dots)t.classList.remove("go-Carousel-dot--active");this.dots[this.activeIndex].classList.add("go-Carousel-dot--active");for(let t of this.slides)t.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number(e.getAttribute("data-slide-index")??0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,t]of this.slides.entries())e!==this.activeIndex&&t.setAttribute("aria-hidden","true")}initArrows(){let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
+var h=class{constructor(e){this.el=e;this.setActive=e=>{this.activeIndex=(e+this.slides.length)%this.slides.length,this.el.setAttribute("data-slide-index",String(this.activeIndex));for(let t of this.dots)t.classList.remove("go-Carousel-dot--active");this.dots[this.activeIndex].classList.add("go-Carousel-dot--active");for(let t of this.slides)t.setAttribute("aria-hidden","true");this.slides[this.activeIndex].removeAttribute("aria-hidden"),this.liveRegion.textContent="Slide "+(this.activeIndex+1)+" of "+this.slides.length};var t;this.slides=Array.from(e.querySelectorAll(".go-Carousel-slide")),this.dots=[],this.liveRegion=document.createElement("div"),this.activeIndex=Number((t=e.getAttribute("data-slide-index"))!=null?t:0),this.initSlides(),this.initArrows(),this.initDots(),this.initLiveRegion()}initSlides(){for(let[e,t]of this.slides.entries())e!==this.activeIndex&&t.setAttribute("aria-hidden","true")}initArrows(){var t,i;let e=document.createElement("ul");e.classList.add("go-Carousel-arrows"),e.innerHTML=`
       <li>
         <button class="go-Carousel-prevSlide" aria-label="Go to previous slide">
           <img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_left_gm_grey_24dp.svg" alt="">
@@ -9,21 +9,21 @@
           <img class="go-Icon" height="24" width="24" src="/static/shared/icon/arrow_right_gm_grey_24dp.svg" alt="">
         </button>
       </li>
-    `,e.querySelector(".go-Carousel-prevSlide")?.addEventListener("click",()=>this.setActive(this.activeIndex-1)),e.querySelector(".go-Carousel-nextSlide")?.addEventListener("click",()=>this.setActive(this.activeIndex+1)),this.el.append(e)}initDots(){let e=document.createElement("ul");e.classList.add("go-Carousel-dots");for(let t=0;t<this.slides.length;t++){let i=document.createElement("li"),s=document.createElement("button");s.classList.add("go-Carousel-dot"),t===this.activeIndex&&s.classList.add("go-Carousel-dot--active"),s.innerHTML=`<span class="go-Carousel-obscured">Slide ${t+1}</span>`,s.addEventListener("click",()=>this.setActive(t)),i.append(s),e.append(i),this.dots.push(s)}this.el.append(e)}initLiveRegion(){this.liveRegion.setAttribute("aria-live","polite"),this.liveRegion.setAttribute("aria-atomic","true"),this.liveRegion.setAttribute("class","go-Carousel-obscured"),this.liveRegion.textContent=`Slide ${this.activeIndex+1} of ${this.slides.length}`,this.el.appendChild(this.liveRegion)}};var c=class{constructor(e){this.el=e;this.el.addEventListener("change",t=>{let i=t.target,s=i.value;i.value.startsWith("/")||(s="/"+s),window.location.href=s})}};function h(r){let e=document.createElement("label");e.classList.add("go-Label"),e.setAttribute("aria-label","Menu");let t=document.createElement("select");t.classList.add("go-Select","js-selectNav"),e.appendChild(t);let i=document.createElement("optgroup");i.label="Outline",t.appendChild(i);let s={},l;for(let n of r.treeitems){if(Number(n.depth)>4)continue;n.groupTreeitem?(l=s[n.groupTreeitem.label],l||(l=s[n.groupTreeitem.label]=document.createElement("optgroup"),l.label=n.groupTreeitem.label,t.appendChild(l))):l=i;let a=document.createElement("option");a.label=n.label,a.textContent=n.label,a.value=n.el.href.replace(window.location.origin,"").replace("/",""),l.appendChild(a)}return r.addObserver(n=>{let a=n.el.hash,m=t.querySelector(`[value$="${a}"]`)?.value;m&&(t.value=m)},50),e}var o=class{constructor(e){this.el=e;this.handleResize=()=>{this.el.style.setProperty("--js-tree-height","100vh"),this.el.style.setProperty("--js-tree-height",this.el.clientHeight+"px")};this.treeitems=[],this.firstChars=[],this.firstTreeitem=null,this.lastTreeitem=null,this.observerCallbacks=[],this.init()}init(){this.handleResize(),window.addEventListener("resize",this.handleResize),this.findTreeItems(),this.updateVisibleTreeitems(),this.observeTargets(),this.firstTreeitem&&(this.firstTreeitem.el.tabIndex=0)}observeTargets(){this.addObserver(i=>{this.expandTreeitem(i),this.setSelected(i)});let e=new Map,t=new IntersectionObserver(i=>{for(let s of i)e.set(s.target.id,s.isIntersecting||s.intersectionRatio===1);for(let[s,l]of e)if(l){let n=this.treeitems.find(a=>a.el?.href.endsWith(`#${s}`));if(n)for(let a of this.observerCallbacks)a(n);break}},{threshold:1,rootMargin:"-60px 0px 0px 0px"});for(let i of this.treeitems.map(s=>s.el.getAttribute("href")))if(i){let s=i.replace(window.location.origin,"").replace("/","").replace("#",""),l=document.getElementById(s);l&&t.observe(l)}}addObserver(e,t=200){this.observerCallbacks.push(p(e,t))}setFocusToNextItem(e){let t=null;for(let i=e.index+1;i<this.treeitems.length;i++){let s=this.treeitems[i];if(s.isVisible){t=s;break}}t&&this.setFocusToItem(t)}setFocusToPreviousItem(e){let t=null;for(let i=e.index-1;i>-1;i--){let s=this.treeitems[i];if(s.isVisible){t=s;break}}t&&this.setFocusToItem(t)}setFocusToParentItem(e){e.groupTreeitem&&this.setFocusToItem(e.groupTreeitem)}setFocusToFirstItem(){this.firstTreeitem&&this.setFocusToItem(this.firstTreeitem)}setFocusToLastItem(){this.lastTreeitem&&this.setFocusToItem(this.lastTreeitem)}setSelected(e){for(let t of this.el.querySelectorAll('[aria-expanded="true"]'))t!==e.el&&(t.nextElementSibling?.contains(e.el)||t.setAttribute("aria-expanded","false"));for(let t of this.el.querySelectorAll("[aria-selected]"))t!==e.el&&t.setAttribute("aria-selected","false");e.el.setAttribute("aria-selected","true"),this.updateVisibleTreeitems(),this.setFocusToItem(e,!1)}expandTreeitem(e){let t=e;for(;t;)t.isExpandable&&t.el.setAttribute("aria-expanded","true"),t=t.groupTreeitem;this.updateVisibleTreeitems()}expandAllSiblingItems(e){for(let t of this.treeitems)t.groupTreeitem===e.groupTreeitem&&t.isExpandable&&this.expandTreeitem(t)}collapseTreeitem(e){let t=null;e.isExpanded()?t=e:t=e.groupTreeitem,t&&(t.el.setAttribute("aria-expanded","false"),this.updateVisibleTreeitems(),this.setFocusToItem(t))}setFocusByFirstCharacter(e,t){let i,s;t=t.toLowerCase(),i=e.index+1,i===this.treeitems.length&&(i=0),s=this.getIndexFirstChars(i,t),s===-1&&(s=this.getIndexFirstChars(0,t)),s>-1&&this.setFocusToItem(this.treeitems[s])}findTreeItems(){let e=(t,i)=>{let s=i,l=t.firstElementChild;for(;l;)(l.tagName==="A"||l.tagName==="SPAN")&&(s=new u(l,this,i),this.treeitems.push(s),this.firstChars.push(s.label.substring(0,1).toLowerCase())),l.firstElementChild&&e(l,s),l=l.nextElementSibling};e(this.el,null),this.treeitems.map((t,i)=>t.index=i)}updateVisibleTreeitems(){this.firstTreeitem=this.treeitems[0];for(let e of this.treeitems){let t=e.groupTreeitem;for(e.isVisible=!0;t&&t.el!==this.el;)t.isExpanded()||(e.isVisible=!1),t=t.groupTreeitem;e.isVisible&&(this.lastTreeitem=e)}}setFocusToItem(e,t=!0){e.el.tabIndex=0,t&&e.el.focus();for(let i of this.treeitems)i!==e&&(i.el.tabIndex=-1)}getIndexFirstChars(e,t){for(let i=e;i<this.firstChars.length;i++)if(this.treeitems[i].isVisible&&t===this.firstChars[i])return i;return-1}},u=class{constructor(e,t,i){e.tabIndex=-1,this.el=e,this.groupTreeitem=i,this.label=e.textContent?.trim()??"",this.tree=t,this.depth=(i?.depth||0)+1,this.index=0;let s=e.parentElement;s?.tagName.toLowerCase()==="li"&&s?.setAttribute("role","none"),e.setAttribute("aria-level",this.depth+""),e.getAttribute("aria-label")&&(this.label=e?.getAttribute("aria-label")?.trim()??""),this.isExpandable=!1,this.isVisible=!1,this.isInGroup=!!i;let l=e.nextElementSibling;for(;l;){if(l.tagName.toLowerCase()=="ul"){let n=`${i?.label??""} nav group ${this.label}`.replace(/[\W_]+/g,"_");e.setAttribute("aria-owns",n),e.setAttribute("aria-expanded","false"),l.setAttribute("role","group"),l.setAttribute("id",n),this.isExpandable=!0;break}l=l.nextElementSibling}this.init()}init(){this.el.tabIndex=-1,this.el.getAttribute("role")||this.el.setAttribute("role","treeitem"),this.el.addEventListener("keydown",this.handleKeydown.bind(this)),this.el.addEventListener("click",this.handleClick.bind(this)),this.el.addEventListener("focus",this.handleFocus.bind(this)),this.el.addEventListener("blur",this.handleBlur.bind(this))}isExpanded(){return this.isExpandable?this.el.getAttribute("aria-expanded")==="true":!1}isSelected(){return this.el.getAttribute("aria-selected")==="true"}handleClick(e){e.target!==this.el&&e.target!==this.el.firstElementChild||(this.isExpandable&&(this.isExpanded()&&this.isSelected()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),e.stopPropagation()),this.tree.setSelected(this))}handleFocus(){let e=this.el;this.isExpandable&&(e=e.firstElementChild??e),e.classList.add("focus")}handleBlur(){let e=this.el;this.isExpandable&&(e=e.firstElementChild??e),e.classList.remove("focus")}handleKeydown(e){if(e.altKey||e.ctrlKey||e.metaKey)return;let t=!1;switch(e.key){case" ":case"Enter":this.isExpandable?(this.isExpanded()&&this.isSelected()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),t=!0):e.stopPropagation(),this.tree.setSelected(this);break;case"ArrowUp":this.tree.setFocusToPreviousItem(this),t=!0;break;case"ArrowDown":this.tree.setFocusToNextItem(this),t=!0;break;case"ArrowRight":this.isExpandable&&(this.isExpanded()?this.tree.setFocusToNextItem(this):this.tree.expandTreeitem(this)),t=!0;break;case"ArrowLeft":this.isExpandable&&this.isExpanded()?(this.tree.collapseTreeitem(this),t=!0):this.isInGroup&&(this.tree.setFocusToParentItem(this),t=!0);break;case"Home":this.tree.setFocusToFirstItem(),t=!0;break;case"End":this.tree.setFocusToLastItem(),t=!0;break;default:e.key.length===1&&e.key.match(/\S/)&&(e.key=="*"?this.tree.expandAllSiblingItems(this):this.tree.setFocusByFirstCharacter(this,e.key),t=!0);break}t&&(e.stopPropagation(),e.preventDefault())}};function p(r,e){let t;return(...i)=>{let s=()=>{t=null,r(...i)};t&&clearTimeout(t),t=setTimeout(s,e)}}window.addEventListener("load",()=>{let r=document.querySelector(".js-tree");if(r){let t=new o(r),i=h(t);document.querySelector(".js-mainNavMobile")?.appendChild(i)}let e=document.querySelector(".Outline .js-tree");if(e){let t=new o(e),i=h(t);document.querySelector(".Outline .js-select")?.appendChild(i)}for(let t of document.querySelectorAll(".js-toggleTheme"))t.addEventListener("click",i=>{let s=i.currentTarget.getAttribute("data-value");document.documentElement.setAttribute("data-theme",String(s))});for(let t of document.querySelectorAll(".js-toggleLayout"))t.addEventListener("click",i=>{let s=i.currentTarget.getAttribute("data-value");document.documentElement.setAttribute("data-layout",String(s))});for(let t of document.querySelectorAll(".js-selectNav"))new c(t);for(let t of document.querySelectorAll(".js-carousel"))new d(t)});customElements.define("go-color",class extends HTMLElement{constructor(){super(),this.style.setProperty("display","contents");let r=this.id;this.removeAttribute("id"),this.innerHTML=`
-        <div style="--color: var(${r});" class="GoColor-circle"></div>
+    `,(t=e.querySelector(".go-Carousel-prevSlide"))==null||t.addEventListener("click",()=>this.setActive(this.activeIndex-1)),(i=e.querySelector(".go-Carousel-nextSlide"))==null||i.addEventListener("click",()=>this.setActive(this.activeIndex+1)),this.el.append(e)}initDots(){let e=document.createElement("ul");e.classList.add("go-Carousel-dots");for(let t=0;t<this.slides.length;t++){let i=document.createElement("li"),s=document.createElement("button");s.classList.add("go-Carousel-dot"),t===this.activeIndex&&s.classList.add("go-Carousel-dot--active"),s.innerHTML=`<span class="go-Carousel-obscured">Slide ${t+1}</span>`,s.addEventListener("click",()=>this.setActive(t)),i.append(s),e.append(i),this.dots.push(s)}this.el.append(e)}initLiveRegion(){this.liveRegion.setAttribute("aria-live","polite"),this.liveRegion.setAttribute("aria-atomic","true"),this.liveRegion.setAttribute("class","go-Carousel-obscured"),this.liveRegion.textContent=`Slide ${this.activeIndex+1} of ${this.slides.length}`,this.el.appendChild(this.liveRegion)}};var u=class{constructor(e){this.el=e;this.el.addEventListener("change",t=>{let i=t.target,s=i.value;i.value.startsWith("/")||(s="/"+s),window.location.href=s})}};function m(l){let e=document.createElement("label");e.classList.add("go-Label"),e.setAttribute("aria-label","Menu");let t=document.createElement("select");t.classList.add("go-Select","js-selectNav"),e.appendChild(t);let i=document.createElement("optgroup");i.label="Outline",t.appendChild(i);let s={},r;for(let n of l.treeitems){if(Number(n.depth)>4)continue;n.groupTreeitem?(r=s[n.groupTreeitem.label],r||(r=s[n.groupTreeitem.label]=document.createElement("optgroup"),r.label=n.groupTreeitem.label,t.appendChild(r))):r=i;let a=document.createElement("option");a.label=n.label,a.textContent=n.label,a.value=n.el.href.replace(window.location.origin,"").replace("/",""),r.appendChild(a)}return l.addObserver(n=>{var d;let a=n.el.hash,o=(d=t.querySelector(`[value$="${a}"]`))==null?void 0:d.value;o&&(t.value=o)},50),e}var c=class{constructor(e){this.el=e;this.handleResize=()=>{this.el.style.setProperty("--js-tree-height","100vh"),this.el.style.setProperty("--js-tree-height",this.el.clientHeight+"px")};this.treeitems=[],this.firstChars=[],this.firstTreeitem=null,this.lastTreeitem=null,this.observerCallbacks=[],this.init()}init(){this.handleResize(),window.addEventListener("resize",this.handleResize),this.findTreeItems(),this.updateVisibleTreeitems(),this.observeTargets(),this.firstTreeitem&&(this.firstTreeitem.el.tabIndex=0)}observeTargets(){this.addObserver(i=>{this.expandTreeitem(i),this.setSelected(i)});let e=new Map,t=new IntersectionObserver(i=>{for(let s of i)e.set(s.target.id,s.isIntersecting||s.intersectionRatio===1);for(let[s,r]of e)if(r){let n=this.treeitems.find(a=>{var o;return(o=a.el)==null?void 0:o.href.endsWith(`#${s}`)});if(n)for(let a of this.observerCallbacks)a(n);break}},{threshold:1,rootMargin:"-60px 0px 0px 0px"});for(let i of this.treeitems.map(s=>s.el.getAttribute("href")))if(i){let s=i.replace(window.location.origin,"").replace("/","").replace("#",""),r=document.getElementById(s);r&&t.observe(r)}}addObserver(e,t=200){this.observerCallbacks.push(g(e,t))}setFocusToNextItem(e){let t=null;for(let i=e.index+1;i<this.treeitems.length;i++){let s=this.treeitems[i];if(s.isVisible){t=s;break}}t&&this.setFocusToItem(t)}setFocusToPreviousItem(e){let t=null;for(let i=e.index-1;i>-1;i--){let s=this.treeitems[i];if(s.isVisible){t=s;break}}t&&this.setFocusToItem(t)}setFocusToParentItem(e){e.groupTreeitem&&this.setFocusToItem(e.groupTreeitem)}setFocusToFirstItem(){this.firstTreeitem&&this.setFocusToItem(this.firstTreeitem)}setFocusToLastItem(){this.lastTreeitem&&this.setFocusToItem(this.lastTreeitem)}setSelected(e){var t;for(let i of this.el.querySelectorAll('[aria-expanded="true"]'))i!==e.el&&((t=i.nextElementSibling)!=null&&t.contains(e.el)||i.setAttribute("aria-expanded","false"));for(let i of this.el.querySelectorAll("[aria-selected]"))i!==e.el&&i.setAttribute("aria-selected","false");e.el.setAttribute("aria-selected","true"),this.updateVisibleTreeitems(),this.setFocusToItem(e,!1)}expandTreeitem(e){let t=e;for(;t;)t.isExpandable&&t.el.setAttribute("aria-expanded","true"),t=t.groupTreeitem;this.updateVisibleTreeitems()}expandAllSiblingItems(e){for(let t of this.treeitems)t.groupTreeitem===e.groupTreeitem&&t.isExpandable&&this.expandTreeitem(t)}collapseTreeitem(e){let t=null;e.isExpanded()?t=e:t=e.groupTreeitem,t&&(t.el.setAttribute("aria-expanded","false"),this.updateVisibleTreeitems(),this.setFocusToItem(t))}setFocusByFirstCharacter(e,t){let i,s;t=t.toLowerCase(),i=e.index+1,i===this.treeitems.length&&(i=0),s=this.getIndexFirstChars(i,t),s===-1&&(s=this.getIndexFirstChars(0,t)),s>-1&&this.setFocusToItem(this.treeitems[s])}findTreeItems(){let e=(t,i)=>{let s=i,r=t.firstElementChild;for(;r;)(r.tagName==="A"||r.tagName==="SPAN")&&(s=new p(r,this,i),this.treeitems.push(s),this.firstChars.push(s.label.substring(0,1).toLowerCase())),r.firstElementChild&&e(r,s),r=r.nextElementSibling};e(this.el,null),this.treeitems.map((t,i)=>t.index=i)}updateVisibleTreeitems(){this.firstTreeitem=this.treeitems[0];for(let e of this.treeitems){let t=e.groupTreeitem;for(e.isVisible=!0;t&&t.el!==this.el;)t.isExpanded()||(e.isVisible=!1),t=t.groupTreeitem;e.isVisible&&(this.lastTreeitem=e)}}setFocusToItem(e,t=!0){e.el.tabIndex=0,t&&e.el.focus();for(let i of this.treeitems)i!==e&&(i.el.tabIndex=-1)}getIndexFirstChars(e,t){for(let i=e;i<this.firstChars.length;i++)if(this.treeitems[i].isVisible&&t===this.firstChars[i])return i;return-1}},p=class{constructor(e,t,i){var n,a,o,d,f;e.tabIndex=-1,this.el=e,this.groupTreeitem=i,this.label=(a=(n=e.textContent)==null?void 0:n.trim())!=null?a:"",this.tree=t,this.depth=((i==null?void 0:i.depth)||0)+1,this.index=0;let s=e.parentElement;(s==null?void 0:s.tagName.toLowerCase())==="li"&&(s==null||s.setAttribute("role","none")),e.setAttribute("aria-level",this.depth+""),e.getAttribute("aria-label")&&(this.label=(d=(o=e==null?void 0:e.getAttribute("aria-label"))==null?void 0:o.trim())!=null?d:""),this.isExpandable=!1,this.isVisible=!1,this.isInGroup=!!i;let r=e.nextElementSibling;for(;r;){if(r.tagName.toLowerCase()=="ul"){let b=`${(f=i==null?void 0:i.label)!=null?f:""} nav group ${this.label}`.replace(/[\W_]+/g,"_");e.setAttribute("aria-owns",b),e.setAttribute("aria-expanded","false"),r.setAttribute("role","group"),r.setAttribute("id",b),this.isExpandable=!0;break}r=r.nextElementSibling}this.init()}init(){this.el.tabIndex=-1,this.el.getAttribute("role")||this.el.setAttribute("role","treeitem"),this.el.addEventListener("keydown",this.handleKeydown.bind(this)),this.el.addEventListener("click",this.handleClick.bind(this)),this.el.addEventListener("focus",this.handleFocus.bind(this)),this.el.addEventListener("blur",this.handleBlur.bind(this))}isExpanded(){return this.isExpandable?this.el.getAttribute("aria-expanded")==="true":!1}isSelected(){return this.el.getAttribute("aria-selected")==="true"}handleClick(e){e.target!==this.el&&e.target!==this.el.firstElementChild||(this.isExpandable&&(this.isExpanded()&&this.isSelected()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),e.stopPropagation()),this.tree.setSelected(this))}handleFocus(){var t;let e=this.el;this.isExpandable&&(e=(t=e.firstElementChild)!=null?t:e),e.classList.add("focus")}handleBlur(){var t;let e=this.el;this.isExpandable&&(e=(t=e.firstElementChild)!=null?t:e),e.classList.remove("focus")}handleKeydown(e){if(e.altKey||e.ctrlKey||e.metaKey)return;let t=!1;switch(e.key){case" ":case"Enter":this.isExpandable?(this.isExpanded()&&this.isSelected()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),t=!0):e.stopPropagation(),this.tree.setSelected(this);break;case"ArrowUp":this.tree.setFocusToPreviousItem(this),t=!0;break;case"ArrowDown":this.tree.setFocusToNextItem(this),t=!0;break;case"ArrowRight":this.isExpandable&&(this.isExpanded()?this.tree.setFocusToNextItem(this):this.tree.expandTreeitem(this)),t=!0;break;case"ArrowLeft":this.isExpandable&&this.isExpanded()?(this.tree.collapseTreeitem(this),t=!0):this.isInGroup&&(this.tree.setFocusToParentItem(this),t=!0);break;case"Home":this.tree.setFocusToFirstItem(),t=!0;break;case"End":this.tree.setFocusToLastItem(),t=!0;break;default:e.key.length===1&&e.key.match(/\S/)&&(e.key=="*"?this.tree.expandAllSiblingItems(this):this.tree.setFocusByFirstCharacter(this,e.key),t=!0);break}t&&(e.stopPropagation(),e.preventDefault())}};function g(l,e){let t;return(...i)=>{let s=()=>{t=null,l(...i)};t&&clearTimeout(t),t=setTimeout(s,e)}}window.addEventListener("load",()=>{var t,i;let l=document.querySelector(".js-tree");if(l){let s=new c(l),r=m(s);(t=document.querySelector(".js-mainNavMobile"))==null||t.appendChild(r)}let e=document.querySelector(".Outline .js-tree");if(e){let s=new c(e),r=m(s);(i=document.querySelector(".Outline .js-select"))==null||i.appendChild(r)}for(let s of document.querySelectorAll(".js-toggleTheme"))s.addEventListener("click",r=>{let n=r.currentTarget.getAttribute("data-value");document.documentElement.setAttribute("data-theme",String(n))});for(let s of document.querySelectorAll(".js-toggleLayout"))s.addEventListener("click",r=>{let n=r.currentTarget.getAttribute("data-value");document.documentElement.setAttribute("data-layout",String(n))});for(let s of document.querySelectorAll(".js-selectNav"))new u(s);for(let s of document.querySelectorAll(".js-carousel"))new h(s)});customElements.define("go-color",class extends HTMLElement{constructor(){var e;super(),this.style.setProperty("display","contents");let l=this.id;this.removeAttribute("id"),this.innerHTML=`
+        <div style="--color: var(${l});" class="GoColor-circle"></div>
         <span>
-          <div id="${r}" class="go-textLabel GoColor-title">${r.replace("--color-","").replaceAll("-"," ")}</div>
-          <pre class="StringifyElement-markup">var(${r})</pre>
+          <div id="${l}" class="go-textLabel GoColor-title">${l.replace("--color-","").replaceAll("-"," ")}</div>
+          <pre class="StringifyElement-markup">var(${l})</pre>
         </span>
-      `,this.querySelector("pre")?.addEventListener("click",()=>{navigator.clipboard.writeText(`var(${r})`)})}});customElements.define("go-icon",class extends HTMLElement{constructor(){super(),this.style.setProperty("display","contents");let r=this.getAttribute("name");this.innerHTML=`<p id="icon-${r}" class="go-textLabel GoIcon-title">${r.replaceAll("_"," ")}</p>
+      `,(e=this.querySelector("pre"))==null||e.addEventListener("click",()=>{navigator.clipboard.writeText(`var(${l})`)})}});customElements.define("go-icon",class extends HTMLElement{constructor(){super(),this.style.setProperty("display","contents");let l=this.getAttribute("name");this.innerHTML=`<p id="icon-${l}" class="go-textLabel GoIcon-title">${l.replaceAll("_"," ")}</p>
         <stringify-el>
-          <img class="go-Icon" height="24" width="24" src="/static/shared/icon/${r}_gm_grey_24dp.svg" alt="">
+          <img class="go-Icon" height="24" width="24" src="/static/shared/icon/${l}_gm_grey_24dp.svg" alt="">
         </stringify-el>
-      `}});customElements.define("clone-el",class extends HTMLElement{constructor(){super(),this.style.setProperty("display","contents");let r=this.getAttribute("selector");if(!r)return;let e="    "+document.querySelector(r)?.outerHTML;this.innerHTML=`
+      `}});customElements.define("clone-el",class extends HTMLElement{constructor(){var t;super(),this.style.setProperty("display","contents");let l=this.getAttribute("selector");if(!l)return;let e="    "+((t=document.querySelector(l))==null?void 0:t.outerHTML);this.innerHTML=`
         <stringify-el collapsed>${e}</stringify-el>
-      `}});customElements.define("stringify-el",class extends HTMLElement{constructor(){super(),this.style.setProperty("display","contents");let r=this.innerHTML,e=this.id?` id="${this.id}"`:"";this.removeAttribute("id");let t='<pre class="StringifyElement-markup">'+b(f(r))+"</pre>";this.hasAttribute("collapsed")&&(t=`<details class="StringifyElement-details"><summary>Markup</summary>${t}</details>`),this.innerHTML=`<span${e}>${r}</span>${t}`,this.querySelector("pre")?.addEventListener("click",()=>{navigator.clipboard.writeText(r)})}});function f(r){return r.split(`
+      `}});customElements.define("stringify-el",class extends HTMLElement{constructor(){var i;super(),this.style.setProperty("display","contents");let l=this.innerHTML,e=this.id?` id="${this.id}"`:"";this.removeAttribute("id");let t='<pre class="StringifyElement-markup">'+v(T(l))+"</pre>";this.hasAttribute("collapsed")&&(t=`<details class="StringifyElement-details"><summary>Markup</summary>${t}</details>`),this.innerHTML=`<span${e}>${l}</span>${t}`,(i=this.querySelector("pre"))==null||i.addEventListener("click",()=>{navigator.clipboard.writeText(l)})}});function T(l){return l.split(`
 `).reduce((e,t)=>{if(e.result.length===0){let i=t.indexOf("<");e.start=i===-1?0:i}return t=t.slice(e.start),t&&e.result.push(t),e},{result:[],start:0}).result.join(`
-`)}function b(r){return r?.replaceAll("<","&lt;")?.replaceAll(">","&gt;")}
+`)}function v(l){var e;return(e=l==null?void 0:l.replaceAll("<","&lt;"))==null?void 0:e.replaceAll(">","&gt;")}
 /**
  * @license
  * Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/styleguide/styleguide.js.map b/static/frontend/styleguide/styleguide.js.map
index 8627072..a933ff7 100644
--- a/static/frontend/styleguide/styleguide.js.map
+++ b/static/frontend/styleguide/styleguide.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["../../shared/carousel/carousel.ts", "../../shared/outline/select.ts", "../../shared/outline/tree.ts", "styleguide.ts"],
   "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Carousel Controller adds event listeners, accessibility enhancements, and\n * control elements to a carousel component.\n */\nexport class CarouselController {\n  /**\n   * slides is a collection of slides in the carousel.\n   */\n  private slides: HTMLLIElement[];\n  /**\n   * dots is a collection of dot navigation controls, added to the carousel\n   * by this controller.\n   */\n  private dots: HTMLElement[];\n  /**\n   * liveRegion is a visually hidden element that notifies assitive devices\n   * of visual changes to the carousel. They are added to the carousel by\n   * this controller.\n   */\n  private liveRegion: HTMLElement;\n  /**\n   * activeIndex is the 0-index of the currently active slide.\n   */\n  private activeIndex: number;\n\n  constructor(private el: HTMLElement) {\n    this.slides = Array.from(el.querySelectorAll('.go-Carousel-slide'));\n    this.dots = [];\n    this.liveRegion = document.createElement('div');\n    this.activeIndex = Number(el.getAttribute('data-slide-index') ?? 0);\n\n    this.initSlides();\n    this.initArrows();\n    this.initDots();\n    this.initLiveRegion();\n  }\n\n  private initSlides() {\n    for (const [i, v] of this.slides.entries()) {\n      if (i === this.activeIndex) continue;\n      v.setAttribute('aria-hidden', 'true');\n    }\n  }\n\n  private initArrows() {\n    const arrows = document.createElement('ul');\n    arrows.classList.add('go-Carousel-arrows');\n    arrows.innerHTML = `\n      <li>\n        <button class=\"go-Carousel-prevSlide\" aria-label=\"Go to previous slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_left_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n      <li>\n        <button class=\"go-Carousel-nextSlide\" aria-label=\"Go to next slide\">\n          <img class=\"go-Icon\" height=\"24\" width=\"24\" src=\"/static/shared/icon/arrow_right_gm_grey_24dp.svg\" alt=\"\">\n        </button>\n      </li>\n    `;\n    arrows\n      .querySelector('.go-Carousel-prevSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex - 1));\n    arrows\n      .querySelector('.go-Carousel-nextSlide')\n      ?.addEventListener('click', () => this.setActive(this.activeIndex + 1));\n    this.el.append(arrows);\n  }\n\n  private initDots() {\n    const dots = document.createElement('ul');\n    dots.classList.add('go-Carousel-dots');\n    for (let i = 0; i < this.slides.length; i++) {\n      const li = document.createElement('li');\n      const button = document.createElement('button');\n      button.classList.add('go-Carousel-dot');\n      if (i === this.activeIndex) {\n        button.classList.add('go-Carousel-dot--active');\n      }\n      button.innerHTML = `<span class=\"go-Carousel-obscured\">Slide ${i + 1}</span>`;\n      button.addEventListener('click', () => this.setActive(i));\n      li.append(button);\n      dots.append(li);\n      this.dots.push(button);\n    }\n    this.el.append(dots);\n  }\n\n  private initLiveRegion() {\n    this.liveRegion.setAttribute('aria-live', 'polite');\n    this.liveRegion.setAttribute('aria-atomic', 'true');\n    this.liveRegion.setAttribute('class', 'go-Carousel-obscured');\n    this.liveRegion.textContent = `Slide ${this.activeIndex + 1} of ${this.slides.length}`;\n    this.el.appendChild(this.liveRegion);\n  }\n\n  private setActive = (index: number) => {\n    this.activeIndex = (index + this.slides.length) % this.slides.length;\n    this.el.setAttribute('data-slide-index', String(this.activeIndex));\n    for (const d of this.dots) {\n      d.classList.remove('go-Carousel-dot--active');\n    }\n    this.dots[this.activeIndex].classList.add('go-Carousel-dot--active');\n    for (const s of this.slides) {\n      s.setAttribute('aria-hidden', 'true');\n    }\n    this.slides[this.activeIndex].removeAttribute('aria-hidden');\n    this.liveRegion.textContent = 'Slide ' + (this.activeIndex + 1) + ' of ' + this.slides.length;\n  };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n  constructor(private el: Element) {\n    this.el.addEventListener('change', e => {\n      const target = e.target as HTMLSelectElement;\n      let href = target.value;\n      if (!target.value.startsWith('/')) {\n        href = '/' + href;\n      }\n      window.location.href = href;\n    });\n  }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n  const label = document.createElement('label');\n  label.classList.add('go-Label');\n  label.setAttribute('aria-label', 'Menu');\n  const select = document.createElement('select');\n  select.classList.add('go-Select', 'js-selectNav');\n  label.appendChild(select);\n  const outline = document.createElement('optgroup');\n  outline.label = 'Outline';\n  select.appendChild(outline);\n  const groupMap: Record<string, HTMLOptGroupElement> = {};\n  let group: HTMLOptGroupElement;\n  for (const t of tree.treeitems) {\n    if (Number(t.depth) > 4) continue;\n    if (t.groupTreeitem) {\n      group = groupMap[t.groupTreeitem.label];\n      if (!group) {\n        group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n        group.label = t.groupTreeitem.label;\n        select.appendChild(group);\n      }\n    } else {\n      group = outline;\n    }\n    const o = document.createElement('option');\n    o.label = t.label;\n    o.textContent = t.label;\n    o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n    group.appendChild(o);\n  }\n  tree.addObserver(t => {\n    const hash = (t.el as HTMLAnchorElement).hash;\n    const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n    if (value) {\n      select.value = value;\n    }\n  }, 50);\n  return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * TreeNavController is the navigation tree component of the documentation page.\n * It adds accessiblity attributes to a tree, observes the heading elements\n * focus the topmost link for headings visible on the page, and implements the\n * WAI-ARIA Treeview Design Pattern with full\n * [keyboard support](https://www.w3.org/TR/wai-aria-practices/examples/treeview/treeview-2/treeview-2a.html#kbd_label).\n */\nexport class TreeNavController {\n  treeitems: TreeItem[];\n\n  /**\n   * firstChars is the first character of each treeitem in the same order\n   * as this.treeitems. We use this array to set focus by character when\n   * navigating the tree with a keyboard.\n   */\n  private firstChars: string[];\n  private firstTreeitem: TreeItem | null;\n  private lastTreeitem: TreeItem | null;\n  private observerCallbacks: ((t: TreeItem) => void)[];\n\n  constructor(private el: HTMLElement) {\n    this.treeitems = [];\n    this.firstChars = [];\n    this.firstTreeitem = null;\n    this.lastTreeitem = null;\n    this.observerCallbacks = [];\n    this.init();\n  }\n\n  private init(): void {\n    this.handleResize();\n    window.addEventListener('resize', this.handleResize);\n    this.findTreeItems();\n    this.updateVisibleTreeitems();\n    this.observeTargets();\n    if (this.firstTreeitem) {\n      this.firstTreeitem.el.tabIndex = 0;\n    }\n  }\n\n  private handleResize = (): void => {\n    this.el.style.setProperty('--js-tree-height', '100vh');\n    this.el.style.setProperty('--js-tree-height', this.el.clientHeight + 'px');\n  };\n\n  private observeTargets() {\n    this.addObserver(treeitem => {\n      this.expandTreeitem(treeitem);\n      this.setSelected(treeitem);\n      // TODO: Fix scroll issue in https://golang.org/issue/47450.\n      // treeitem.el.scrollIntoView({ block: 'nearest' });\n    });\n\n    const targets = new Map<string, boolean>();\n    const observer = new IntersectionObserver(\n      entries => {\n        for (const entry of entries) {\n          targets.set(entry.target.id, entry.isIntersecting || entry.intersectionRatio === 1);\n        }\n        for (const [id, isIntersecting] of targets) {\n          if (isIntersecting) {\n            const active = this.treeitems.find(t =>\n              (t.el as HTMLAnchorElement)?.href.endsWith(`#${id}`)\n            );\n            if (active) {\n              for (const fn of this.observerCallbacks) {\n                fn(active);\n              }\n            }\n            break;\n          }\n        }\n      },\n      {\n        threshold: 1.0,\n        rootMargin: '-60px 0px 0px 0px',\n      }\n    );\n\n    for (const href of this.treeitems.map(t => t.el.getAttribute('href'))) {\n      if (href) {\n        const id = href.replace(window.location.origin, '').replace('/', '').replace('#', '');\n        const target = document.getElementById(id);\n        if (target) {\n          observer.observe(target);\n        }\n      }\n    }\n  }\n\n  addObserver(fn: (t: TreeItem) => void, delay = 200): void {\n    this.observerCallbacks.push(debounce(fn, delay));\n  }\n\n  setFocusToNextItem(currentItem: TreeItem): void {\n    let nextItem = null;\n    for (let i = currentItem.index + 1; i < this.treeitems.length; i++) {\n      const ti = this.treeitems[i];\n      if (ti.isVisible) {\n        nextItem = ti;\n        break;\n      }\n    }\n    if (nextItem) {\n      this.setFocusToItem(nextItem);\n    }\n  }\n\n  setFocusToPreviousItem(currentItem: TreeItem): void {\n    let prevItem = null;\n    for (let i = currentItem.index - 1; i > -1; i--) {\n      const ti = this.treeitems[i];\n      if (ti.isVisible) {\n        prevItem = ti;\n        break;\n      }\n    }\n    if (prevItem) {\n      this.setFocusToItem(prevItem);\n    }\n  }\n\n  setFocusToParentItem(currentItem: TreeItem): void {\n    if (currentItem.groupTreeitem) {\n      this.setFocusToItem(currentItem.groupTreeitem);\n    }\n  }\n\n  setFocusToFirstItem(): void {\n    this.firstTreeitem && this.setFocusToItem(this.firstTreeitem);\n  }\n\n  setFocusToLastItem(): void {\n    this.lastTreeitem && this.setFocusToItem(this.lastTreeitem);\n  }\n\n  setSelected(currentItem: TreeItem): void {\n    for (const l1 of this.el.querySelectorAll('[aria-expanded=\"true\"]')) {\n      if (l1 === currentItem.el) continue;\n      if (!l1.nextElementSibling?.contains(currentItem.el)) {\n        l1.setAttribute('aria-expanded', 'false');\n      }\n    }\n    for (const l1 of this.el.querySelectorAll('[aria-selected]')) {\n      if (l1 !== currentItem.el) {\n        l1.setAttribute('aria-selected', 'false');\n      }\n    }\n    currentItem.el.setAttribute('aria-selected', 'true');\n    this.updateVisibleTreeitems();\n    this.setFocusToItem(currentItem, false);\n  }\n\n  expandTreeitem(treeitem: TreeItem): void {\n    let currentItem: TreeItem | null = treeitem;\n    while (currentItem) {\n      if (currentItem.isExpandable) {\n        currentItem.el.setAttribute('aria-expanded', 'true');\n      }\n      currentItem = currentItem.groupTreeitem;\n    }\n    this.updateVisibleTreeitems();\n  }\n\n  expandAllSiblingItems(currentItem: TreeItem): void {\n    for (const ti of this.treeitems) {\n      if (ti.groupTreeitem === currentItem.groupTreeitem && ti.isExpandable) {\n        this.expandTreeitem(ti);\n      }\n    }\n  }\n\n  collapseTreeitem(currentItem: TreeItem): void {\n    let groupTreeitem = null;\n\n    if (currentItem.isExpanded()) {\n      groupTreeitem = currentItem;\n    } else {\n      groupTreeitem = currentItem.groupTreeitem;\n    }\n\n    if (groupTreeitem) {\n      groupTreeitem.el.setAttribute('aria-expanded', 'false');\n      this.updateVisibleTreeitems();\n      this.setFocusToItem(groupTreeitem);\n    }\n  }\n\n  setFocusByFirstCharacter(currentItem: TreeItem, char: string): void {\n    let start: number, index: number;\n    char = char.toLowerCase();\n\n    // Get start index for search based on position of currentItem\n    start = currentItem.index + 1;\n    if (start === this.treeitems.length) {\n      start = 0;\n    }\n\n    // Check remaining slots in the menu\n    index = this.getIndexFirstChars(start, char);\n\n    // If not found in remaining slots, check from beginning\n    if (index === -1) {\n      index = this.getIndexFirstChars(0, char);\n    }\n\n    // If match was found...\n    if (index > -1) {\n      this.setFocusToItem(this.treeitems[index]);\n    }\n  }\n\n  private findTreeItems() {\n    const findItems = (el: HTMLElement, group: TreeItem | null) => {\n      let ti = group;\n      let curr = el.firstElementChild as HTMLElement;\n      while (curr) {\n        if (curr.tagName === 'A' || curr.tagName === 'SPAN') {\n          ti = new TreeItem(curr, this, group);\n          this.treeitems.push(ti);\n          this.firstChars.push(ti.label.substring(0, 1).toLowerCase());\n        }\n        if (curr.firstElementChild) {\n          findItems(curr, ti);\n        }\n        curr = curr.nextElementSibling as HTMLElement;\n      }\n    };\n    findItems(this.el as HTMLElement, null);\n    this.treeitems.map((ti, idx) => (ti.index = idx));\n  }\n\n  private updateVisibleTreeitems(): void {\n    this.firstTreeitem = this.treeitems[0];\n\n    for (const ti of this.treeitems) {\n      let parent = ti.groupTreeitem;\n      ti.isVisible = true;\n      while (parent && parent.el !== this.el) {\n        if (!parent.isExpanded()) {\n          ti.isVisible = false;\n        }\n        parent = parent.groupTreeitem;\n      }\n      if (ti.isVisible) {\n        this.lastTreeitem = ti;\n      }\n    }\n  }\n\n  private setFocusToItem(treeitem: TreeItem, focusEl = true) {\n    treeitem.el.tabIndex = 0;\n    if (focusEl) {\n      treeitem.el.focus();\n    }\n    for (const ti of this.treeitems) {\n      if (ti !== treeitem) {\n        ti.el.tabIndex = -1;\n      }\n    }\n  }\n\n  private getIndexFirstChars(startIndex: number, char: string): number {\n    for (let i = startIndex; i < this.firstChars.length; i++) {\n      if (this.treeitems[i].isVisible && char === this.firstChars[i]) {\n        return i;\n      }\n    }\n    return -1;\n  }\n}\n\nclass TreeItem {\n  el: HTMLElement;\n  groupTreeitem: TreeItem | null;\n  label: string;\n  isExpandable: boolean;\n  isVisible: boolean;\n  depth: number;\n  index: number;\n\n  private tree: TreeNavController;\n  private isInGroup: boolean;\n\n  constructor(el: HTMLElement, treeObj: TreeNavController, group: TreeItem | null) {\n    el.tabIndex = -1;\n    this.el = el;\n    this.groupTreeitem = group;\n    this.label = el.textContent?.trim() ?? '';\n    this.tree = treeObj;\n    this.depth = (group?.depth || 0) + 1;\n    this.index = 0;\n\n    const parent = el.parentElement;\n    if (parent?.tagName.toLowerCase() === 'li') {\n      parent?.setAttribute('role', 'none');\n    }\n    el.setAttribute('aria-level', this.depth + '');\n    if (el.getAttribute('aria-label')) {\n      this.label = el?.getAttribute('aria-label')?.trim() ?? '';\n    }\n\n    this.isExpandable = false;\n    this.isVisible = false;\n    this.isInGroup = !!group;\n\n    let curr = el.nextElementSibling;\n    while (curr) {\n      if (curr.tagName.toLowerCase() == 'ul') {\n        const groupId = `${group?.label ?? ''} nav group ${this.label}`.replace(/[\\W_]+/g, '_');\n        el.setAttribute('aria-owns', groupId);\n        el.setAttribute('aria-expanded', 'false');\n        curr.setAttribute('role', 'group');\n        curr.setAttribute('id', groupId);\n        this.isExpandable = true;\n        break;\n      }\n\n      curr = curr.nextElementSibling;\n    }\n    this.init();\n  }\n\n  private init() {\n    this.el.tabIndex = -1;\n    if (!this.el.getAttribute('role')) {\n      this.el.setAttribute('role', 'treeitem');\n    }\n    this.el.addEventListener('keydown', this.handleKeydown.bind(this));\n    this.el.addEventListener('click', this.handleClick.bind(this));\n    this.el.addEventListener('focus', this.handleFocus.bind(this));\n    this.el.addEventListener('blur', this.handleBlur.bind(this));\n  }\n\n  isExpanded() {\n    if (this.isExpandable) {\n      return this.el.getAttribute('aria-expanded') === 'true';\n    }\n\n    return false;\n  }\n\n  isSelected() {\n    return this.el.getAttribute('aria-selected') === 'true';\n  }\n\n  private handleClick(event: MouseEvent) {\n    // only process click events that directly happened on this treeitem\n    if (event.target !== this.el && event.target !== this.el.firstElementChild) {\n      return;\n    }\n    if (this.isExpandable) {\n      if (this.isExpanded() && this.isSelected()) {\n        this.tree.collapseTreeitem(this);\n      } else {\n        this.tree.expandTreeitem(this);\n      }\n      event.stopPropagation();\n    }\n    this.tree.setSelected(this);\n  }\n\n  private handleFocus() {\n    let el = this.el;\n    if (this.isExpandable) {\n      el = (el.firstElementChild as HTMLElement) ?? el;\n    }\n    el.classList.add('focus');\n  }\n\n  private handleBlur() {\n    let el = this.el;\n    if (this.isExpandable) {\n      el = (el.firstElementChild as HTMLElement) ?? el;\n    }\n    el.classList.remove('focus');\n  }\n\n  private handleKeydown(event: KeyboardEvent) {\n    if (event.altKey || event.ctrlKey || event.metaKey) {\n      return;\n    }\n\n    let captured = false;\n    switch (event.key) {\n      case ' ':\n      case 'Enter':\n        if (this.isExpandable) {\n          if (this.isExpanded() && this.isSelected()) {\n            this.tree.collapseTreeitem(this);\n          } else {\n            this.tree.expandTreeitem(this);\n          }\n          captured = true;\n        } else {\n          event.stopPropagation();\n        }\n        this.tree.setSelected(this);\n        break;\n\n      case 'ArrowUp':\n        this.tree.setFocusToPreviousItem(this);\n        captured = true;\n        break;\n\n      case 'ArrowDown':\n        this.tree.setFocusToNextItem(this);\n        captured = true;\n        break;\n\n      case 'ArrowRight':\n        if (this.isExpandable) {\n          if (this.isExpanded()) {\n            this.tree.setFocusToNextItem(this);\n          } else {\n            this.tree.expandTreeitem(this);\n          }\n        }\n        captured = true;\n        break;\n\n      case 'ArrowLeft':\n        if (this.isExpandable && this.isExpanded()) {\n          this.tree.collapseTreeitem(this);\n          captured = true;\n        } else {\n          if (this.isInGroup) {\n            this.tree.setFocusToParentItem(this);\n            captured = true;\n          }\n        }\n        break;\n\n      case 'Home':\n        this.tree.setFocusToFirstItem();\n        captured = true;\n        break;\n\n      case 'End':\n        this.tree.setFocusToLastItem();\n        captured = true;\n        break;\n\n      default:\n        if (event.key.length === 1 && event.key.match(/\\S/)) {\n          if (event.key == '*') {\n            this.tree.expandAllSiblingItems(this);\n          } else {\n            this.tree.setFocusByFirstCharacter(this, event.key);\n          }\n          captured = true;\n        }\n        break;\n    }\n\n    if (captured) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n  }\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction debounce<T extends (...args: any[]) => any>(func: T, wait: number) {\n  let timeout: ReturnType<typeof setTimeout> | null;\n  return (...args: Parameters<T>) => {\n    const later = () => {\n      timeout = null;\n      func(...args);\n    };\n    if (timeout) {\n      clearTimeout(timeout);\n    }\n    timeout = setTimeout(later, wait);\n  };\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. 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+  "names": ["CarouselController", "el", "index", "d", "s", "_a", "i", "v", "_b", "arrows", "dots", "li", "button", "SelectNavController", "el", "e", "target", "href", "makeSelectNav", "tree", "label", "select", "outline", "groupMap", "group", "t", "o", "_a", "hash", "value", "TreeNavController", "el", "treeitem", "targets", "observer", "entries", "entry", "id", "isIntersecting", "active", "t", "_a", "fn", "href", "target", "delay", "debounce", "currentItem", "nextItem", "ti", "prevItem", "l1", "groupTreeitem", "char", "start", "index", "findItems", "group", "curr", "TreeItem", "idx", "parent", "focusEl", "startIndex", "treeObj", "_b", "_c", "_d", "_e", "groupId", "event", "captured", "func", "wait", "timeout", "args", "later", "_a", "_b", "tree", "treeCtrl", "TreeNavController", "select", "makeSelectNav", "guideTree", "el", "e", "value", "SelectNavController", "CarouselController", "name", "selector", "html", "idAttr", "markup", "escape", "trim", "acc", "val", "start"]
 }
diff --git a/static/frontend/styleguide/styleguide.min.css.map b/static/frontend/styleguide/styleguide.min.css.map
index 4c26a35..ea84cfa 100644
--- a/static/frontend/styleguide/styleguide.min.css.map
+++ b/static/frontend/styleguide/styleguide.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["../unit/main/_meta.css", "styleguide.css"],
   "sourcesContent": ["/*!\n* Copyright 2019-2020 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n.UnitMeta {\n  display: grid;\n  gap: 1rem 2rem;\n  grid-template-columns: max-content auto;\n  white-space: nowrap;\n}\n\n.UnitMeta-details,\n.UnitMeta-links {\n  display: flex;\n  flex-flow: wrap;\n  flex-direction: row;\n  gap: 1rem 2rem;\n}\n\n.UnitMeta-repo {\n  align-items: center;\n  display: flex;\n  overflow: hidden;\n}\n\n.UnitMeta-repo a {\n  overflow: hidden;\n  text-overflow: ellipsis;\n}\n@media (min-width: 50rem) {\n  .UnitMeta {\n    grid-template-columns: max-content auto;\n  }\n\n  .UnitMeta-details,\n  .UnitMeta-links {\n    flex-direction: row;\n  }\n}\n@media (min-width: 112rem) {\n  :root[data-layout='responsive'] .UnitMeta {\n    grid-template-columns: 100%;\n  }\n\n  :root[data-layout='responsive'] .UnitMeta-details,\n  :root[data-layout='responsive'] .UnitMeta-links {\n    flex-direction: column;\n    white-space: nowrap;\n  }\n}\n\n.UnitMeta-detailsLearn {\n  width: 100%;\n}\n@media (min-width: 50rem) {\n  .UnitMeta-detailsLearn {\n    width: initial;\n  }\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('../unit/main/_meta.css');\n\n.StyleGuide {\n  background-color: var(--color-background);\n}\n\n.StyleGuide > section {\n  align-items: center;\n  display: grid;\n  gap: 1rem 2rem;\n  grid-template-columns: 100%;\n  margin-bottom: 1rem;\n}\n\n.StyleGuide > section > header {\n  border-bottom: var(--border);\n  grid-column: 1/-1;\n  margin-bottom: 1rem;\n  padding-bottom: 1rem;\n}\n\n.StyleGuide > section > h2 {\n  grid-column: 1/-1;\n  width: max-content;\n}\n\n.StyleGuide > section > hr {\n  grid-column: 1/-1;\n}\n\n.StyleGuide > section > h3 {\n  grid-column: 1/-1;\n  margin: 1rem 0;\n}\n\n.StyleGuide > section > p {\n  grid-column: 1/-1;\n}\n\n.StyleGuide .Color,\n.StyleGuide .ColorIntent {\n  grid-template-columns: repeat(auto-fit, 5rem [col-start] minmax(12rem, auto) [col-end]);\n}\n\n.StyleGuide .Outline {\n  align-items: flex-start;\n}\n\n.StyleGuide .Outline > span {\n  margin-top: 0.5rem;\n}\n@media (min-width: 80rem) {\n  .StyleGuide .Icon {\n    grid-template-columns: 10rem 8rem auto;\n  }\n\n  .StyleGuide .Typography,\n  .StyleGuide .Button,\n  .StyleGuide .Carousel,\n  .StyleGuide .Form,\n  .StyleGuide .Modal,\n  .StyleGuide .Message,\n  .StyleGuide .Breadcrumb,\n  .StyleGuide .Chip,\n  .StyleGuide .Tooltip,\n  .StyleGuide .Outline,\n  .StyleGuide .Clipboard {\n    grid-template-columns: 20rem auto;\n  }\n}\n@media (min-width: 112rem) {\n  .StyleGuide .Icon {\n    grid-template-columns: 10rem auto 50%;\n  }\n\n  .StyleGuide .Typography,\n  .StyleGuide .Button,\n  .StyleGuide .Carousel,\n  .StyleGuide .Form,\n  .StyleGuide .Modal,\n  .StyleGuide .Message,\n  .StyleGuide .Breadcrumb,\n  .StyleGuide .Chip,\n  .StyleGuide .Tooltip,\n  .StyleGuide .Outline,\n  .StyleGuide .Clipboard {\n    grid-template-columns: auto 50%;\n  }\n}\n\n.StringifyElement {\n  align-items: baseline;\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n  padding: 0.25rem;\n}\n\n.ElementMarkup > pre,\n.StringifyElement-markup {\n  color: var(--color-text-subtle);\n  font-size: 0.875rem;\n  margin-top: 0.5rem;\n  max-width: 100%;\n  padding-left: 2rem;\n  position: relative;\n}\n\n.ElementMarkup > pre::before,\n.StringifyElement-markup::before {\n  background: url('/static/shared/icon/content_copy_gm_grey_24dp.svg');\n  background-repeat: no-repeat;\n  background-size: contain;\n  content: ' ';\n  left: 0.5rem;\n  padding-left: 1rem;\n  position: absolute;\n  width: 1rem;\n}\n\n.StringifyElement-markup:active {\n  filter: contrast(0.9);\n}\n\n.StringifyElement-details {\n  color: var(--color-text-subtle);\n  font-size: 0.8125rem;\n  overflow-x: auto;\n}\n\n.GoColor-circle {\n  background-color: var(--color);\n  border: var(--border);\n  border-radius: 2rem;\n  height: 3rem;\n  margin: auto;\n  margin-bottom: 0.5rem;\n  width: 3rem;\n}\n\n.GoIcon-title,\n.GoColor-title {\n  text-transform: capitalize;\n}\n\n.go-Main-navDesktop a + ul {\n  text-transform: capitalize;\n}\n\n.MainHeader-toggle {\n  display: flex;\n}\n"],
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+  "mappings": ";;;;;AAMA,UACE,aACA,cACA,uCACA,mBAGF,kCAEE,aACA,eACA,mBACA,cAGF,eACE,mBACA,aACA,gBAGF,iBACE,gBACA,uBAEF,0BACE,UACE,uCAGF,kCAEE,oBAGJ,2BACE,wCACE,2BAGF,8FAEE,sBACA,oBAIJ,uBACE,WAEF,0BACE,uBACE,eClDJ,YACE,yCAGF,oBACE,mBACA,aACA,cACA,2BACA,mBAGF,2BACE,4BACA,iBACA,mBACA,oBAGF,uBACE,iBACA,kBAGF,uBACE,iBAGF,uBACE,iBArCF,cAyCA,sBACE,iBAGF,4CAEE,qFAGF,qBACE,uBAGF,0BACE,iBAEF,0BACE,kBACE,sCAGF,uOAWE,kCAGJ,2BACE,kBACE,qCAGF,uOAWE,gCAIJ,kBACE,qBACA,aACA,sBACA,SApGF,eAwGA,4CAEE,+BACA,kBACA,iBACA,eACA,kBACA,kBAGF,0DAEE,kEACA,4BACA,wBACA,YACA,WACA,kBACA,kBACA,WAGF,gCACE,oBAGF,0BACE,+BACA,mBACA,gBAGF,gBACE,8BACA,qBA1IF,mBA4IE,YA5IF,YA8IE,oBACA,WAGF,6BAEE,0BAGF,yBACE,0BAGF,mBACE",
   "names": []
 }
diff --git a/static/frontend/subrepo/subrepo.min.css.map b/static/frontend/subrepo/subrepo.min.css.map
index 4aad82e..20d1a64 100644
--- a/static/frontend/subrepo/subrepo.min.css.map
+++ b/static/frontend/subrepo/subrepo.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["subrepo.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.SubRepo-links {\n  line-height: 1.5rem;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,cACC,YAAa,MACf",
+  "mappings": ";;;;;AAMA,eACE",
   "names": []
 }
diff --git a/static/frontend/unit/importedby/importedby.min.css.map b/static/frontend/unit/importedby/importedby.min.css.map
index 9e5cb9d..ea88528 100644
--- a/static/frontend/unit/importedby/importedby.min.css.map
+++ b/static/frontend/unit/importedby/importedby.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["importedby.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.ImportedBy-heading {\n  margin-bottom: 1rem;\n}\n\n.ImportedBy-list {\n  list-style: none;\n  padding: 0;\n}\n\n.ImportedBy .Pagination-nav,\n.ImportedBy .Pagination-navInner {\n  justify-content: flex-start;\n}\n\n.ImportedBy-details {\n  margin: 0.5rem 0;\n}\n\n.ImportedBy-detailsContent {\n  margin-left: 2.5rem;\n}\n\n.ImportedBy-detailsIndent {\n  margin-bottom: 0.5rem;\n  margin-left: 1.1rem;\n  margin-top: 0.5rem;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,mBACC,cAAe,IACjB,CAEA,CAAC,gBACC,WAAY,KAXd,QAYW,CACX,CAEA,CAAC,WAAW,CAAC,eACb,CADC,WACW,CAAC,oBACX,gBAAiB,UACnB,CAEA,CAAC,mBApBD,OAqBU,MAAO,CACjB,CAEA,CAAC,0BACC,YAAa,MACf,CAEA,CAAC,yBACC,cAAe,MACf,YAAa,OACb,WAAY,KACd",
+  "mappings": ";;;;;AAMA,oBACE,mBAGF,iBACE,gBAXF,UAeA,6DAEE,2BAGF,oBApBA,eAwBA,2BACE,mBAGF,0BACE,oBACA,mBACA",
   "names": []
 }
diff --git a/static/frontend/unit/imports/imports.min.css.map b/static/frontend/unit/imports/imports.min.css.map
index eab9be7..050a960 100644
--- a/static/frontend/unit/imports/imports.min.css.map
+++ b/static/frontend/unit/imports/imports.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["imports.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Imports-listItem {\n  line-height: 1.125rem;\n}\n\n.Imports-list {\n  margin: 1rem 0;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,iBACC,YAAa,QACf,CAEA,CAAC,aAVD,OAWU,KAAK,CACf",
+  "mappings": ";;;;;AAMA,kBACE,qBAGF,cAVA",
   "names": []
 }
diff --git a/static/frontend/unit/licenses/licenses.min.css.map b/static/frontend/unit/licenses/licenses.min.css.map
index 7299a20..fba8c28 100644
--- a/static/frontend/unit/licenses/licenses.min.css.map
+++ b/static/frontend/unit/licenses/licenses.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["licenses.css"],
   "sourcesContent": ["/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.License {\n  margin-bottom: 1rem;\n}\n\n.License > h2 {\n  margin-bottom: 1rem;\n}\n\n.License > p {\n  margin-bottom: 0.5rem;\n}\n\n.License-contents {\n  border: var(--border);\n  border-radius: 0.1875rem;\n  font-size: 0.875rem;\n  line-height: 1.375rem;\n  margin: 0;\n  overflow-x: auto;\n  padding: 1.5rem;\n  tab-size: 4;\n}\n\n.License-source {\n  font-size: 0.875rem;\n  padding-top: 0.5rem;\n}\n\n.Disclaimer-link {\n  font-style: italic;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,QACC,cAAe,IACjB,CAEA,CAJC,OAIQ,CAAE,GACT,cAAe,IACjB,CAEA,CARC,OAQQ,CAAE,EACT,cAAe,KACjB,CAEA,CAAC,iBACC,OAAQ,IAAI,UAnBd,cAoBiB,SACf,UAAW,QACX,YAAa,SAtBf,OAuBU,EACR,WAAY,KAxBd,QAyBW,OACT,SAAU,CACZ,CAEA,CAAC,eACC,UAAW,QACX,YAAa,KACf,CAEA,CAAC,gBACC,WAAY,MACd",
+  "mappings": ";;;;;AAMA,SACE,mBAGF,YACE,mBAGF,WACE,oBAGF,kBACE,qBAnBF,uBAqBE,kBACA,qBAtBF,SAwBE,gBAxBF,eA0BE,WAGF,gBACE,kBACA,kBAGF,iBACE",
   "names": []
 }
diff --git a/static/frontend/unit/main/main.js b/static/frontend/unit/main/main.js
index 9c97010..199d846 100644
--- a/static/frontend/unit/main/main.js
+++ b/static/frontend/unit/main/main.js
@@ -1,9 +1,9 @@
-var o={PLAY_HREF:".js-exampleHref",PLAY_CONTAINER:".js-exampleContainer",EXAMPLE_INPUT:".Documentation-exampleCode",EXAMPLE_OUTPUT:".Documentation-exampleOutput",EXAMPLE_ERROR:".Documentation-exampleError",PLAY_BUTTON:".Documentation-examplePlayButton",SHARE_BUTTON:".Documentation-exampleShareButton",FORMAT_BUTTON:".Documentation-exampleFormatButton",RUN_BUTTON:".Documentation-exampleRunButton"},T=class{constructor(e){this.exampleEl=e;this.exampleEl=e,this.anchorEl=e.querySelector("a"),this.errorEl=e.querySelector(o.EXAMPLE_ERROR),this.playButtonEl=e.querySelector(o.PLAY_BUTTON),this.shareButtonEl=e.querySelector(o.SHARE_BUTTON),this.formatButtonEl=e.querySelector(o.FORMAT_BUTTON),this.runButtonEl=e.querySelector(o.RUN_BUTTON),this.inputEl=this.makeTextArea(e.querySelector(o.EXAMPLE_INPUT)),this.outputEl=e.querySelector(o.EXAMPLE_OUTPUT),this.playButtonEl?.addEventListener("click",()=>this.handleShareButtonClick()),this.shareButtonEl?.addEventListener("click",()=>this.handleShareButtonClick()),this.formatButtonEl?.addEventListener("click",()=>this.handleFormatButtonClick()),this.runButtonEl?.addEventListener("click",()=>this.handleRunButtonClick()),this.inputEl&&(this.resize(),this.inputEl.addEventListener("keyup",()=>this.resize()),this.inputEl.addEventListener("keydown",t=>this.onKeydown(t)))}makeTextArea(e){let t=document.createElement("textarea");return t.classList.add("Documentation-exampleCode","code"),t.spellcheck=!1,t.value=e?.textContent??"",e?.parentElement?.replaceChild(t,e),t}getAnchorHash(){return this.anchorEl?.hash}expand(){this.exampleEl.open=!0}resize(){if(this.inputEl?.value){let e=(this.inputEl.value.match(/\n/g)||[]).length;this.inputEl.style.height=`${(20+e*20+12+2)/16}rem`}}onKeydown(e){e.key==="Tab"&&(document.execCommand("insertText",!1,"	"),e.preventDefault())}setInputText(e){this.inputEl&&(this.inputEl.value=e)}setOutputText(e){this.outputEl&&(this.outputEl.textContent=e)}appendToOutputText(e){this.outputEl&&(this.outputEl.textContent+=e)}setOutputHTML(e){this.outputEl&&(this.outputEl.innerHTML=e)}setErrorText(e){this.errorEl&&(this.errorEl.textContent=e),this.setOutputText("An error has occurred\u2026")}getCodeWithModFile(){let e=this.inputEl?.value??"",t=document.querySelector(".js-playgroundVars")?.dataset??{};return t.modulepath!=="std"&&(e=e.concat(`
+var d={PLAY_HREF:".js-exampleHref",PLAY_CONTAINER:".js-exampleContainer",EXAMPLE_INPUT:".Documentation-exampleCode",EXAMPLE_OUTPUT:".Documentation-exampleOutput",EXAMPLE_ERROR:".Documentation-exampleError",PLAY_BUTTON:".Documentation-examplePlayButton",SHARE_BUTTON:".Documentation-exampleShareButton",FORMAT_BUTTON:".Documentation-exampleFormatButton",RUN_BUTTON:".Documentation-exampleRunButton"},b=class{constructor(e){this.exampleEl=e;var t,i,s,r;this.exampleEl=e,this.anchorEl=e.querySelector("a"),this.errorEl=e.querySelector(d.EXAMPLE_ERROR),this.playButtonEl=e.querySelector(d.PLAY_BUTTON),this.shareButtonEl=e.querySelector(d.SHARE_BUTTON),this.formatButtonEl=e.querySelector(d.FORMAT_BUTTON),this.runButtonEl=e.querySelector(d.RUN_BUTTON),this.inputEl=this.makeTextArea(e.querySelector(d.EXAMPLE_INPUT)),this.outputEl=e.querySelector(d.EXAMPLE_OUTPUT),(t=this.playButtonEl)==null||t.addEventListener("click",()=>this.handleShareButtonClick()),(i=this.shareButtonEl)==null||i.addEventListener("click",()=>this.handleShareButtonClick()),(s=this.formatButtonEl)==null||s.addEventListener("click",()=>this.handleFormatButtonClick()),(r=this.runButtonEl)==null||r.addEventListener("click",()=>this.handleRunButtonClick()),this.inputEl&&(this.resize(),this.inputEl.addEventListener("keyup",()=>this.resize()),this.inputEl.addEventListener("keydown",l=>this.onKeydown(l)))}makeTextArea(e){var i,s;let t=document.createElement("textarea");return t.classList.add("Documentation-exampleCode","code"),t.spellcheck=!1,t.value=(i=e==null?void 0:e.textContent)!=null?i:"",(s=e==null?void 0:e.parentElement)==null||s.replaceChild(t,e),t}getAnchorHash(){var e;return(e=this.anchorEl)==null?void 0:e.hash}expand(){this.exampleEl.open=!0}resize(){var e;if((e=this.inputEl)!=null&&e.value){let t=(this.inputEl.value.match(/\n/g)||[]).length;this.inputEl.style.height=`${(20+t*20+12+2)/16}rem`}}onKeydown(e){e.key==="Tab"&&(document.execCommand("insertText",!1,"	"),e.preventDefault())}setInputText(e){this.inputEl&&(this.inputEl.value=e)}setOutputText(e){this.outputEl&&(this.outputEl.textContent=e)}appendToOutputText(e){this.outputEl&&(this.outputEl.textContent+=e)}setOutputHTML(e){this.outputEl&&(this.outputEl.innerHTML=e)}setErrorText(e){this.errorEl&&(this.errorEl.textContent=e),this.setOutputText("An error has occurred\u2026")}getCodeWithModFile(){var i,s,r,l;let e=(s=(i=this.inputEl)==null?void 0:i.value)!=null?s:"",t=(l=(r=document.querySelector(".js-playgroundVars"))==null?void 0:r.dataset)!=null?l:{};return t.modulepath!=="std"&&(e=e.concat(`
 -- go.mod --
 module play.ground
 
 require ${t.modulepath} ${t.version}
-`)),e}handleShareButtonClick(){let e="https://play.golang.org/p/";this.setOutputText("Waiting for remote server\u2026"),fetch("/play/share",{method:"POST",body:this.getCodeWithModFile()}).then(t=>t.text()).then(t=>{let i=e+t;this.setOutputHTML(`<a href="${i}">${i}</a>`),window.open(i)}).catch(t=>{this.setErrorText(t)})}handleFormatButtonClick(){this.setOutputText("Waiting for remote server\u2026");let e=new FormData;e.append("body",this.inputEl?.value??""),fetch("/play/fmt",{method:"POST",body:e}).then(t=>t.json()).then(({Body:t,Error:i})=>{this.setOutputText(i||"Done."),t&&(this.setInputText(t),this.resize())}).catch(t=>{this.setErrorText(t)})}handleRunButtonClick(){this.setOutputText("Waiting for remote server\u2026"),fetch("/play/compile",{method:"POST",body:JSON.stringify({body:this.getCodeWithModFile(),version:2})}).then(e=>e.json()).then(async({Events:e,Errors:t})=>{this.setOutputText(t||"");for(let i of e||[])this.appendToOutputText(i.Message),await new 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e=this.el;this.isExpandable&&(e=(t=e.firstElementChild)!=null?t:e),e.classList.add("focus")}handleBlur(){var t;let e=this.el;this.isExpandable&&(e=(t=e.firstElementChild)!=null?t:e),e.classList.remove("focus")}handleKeydown(e){if(e.altKey||e.ctrlKey||e.metaKey)return;let t=!1;switch(e.key){case" ":case"Enter":this.isExpandable?(this.isExpanded()&&this.isSelected()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),t=!0):e.stopPropagation(),this.tree.setSelected(this);break;case"ArrowUp":this.tree.setFocusToPreviousItem(this),t=!0;break;case"ArrowDown":this.tree.setFocusToNextItem(this),t=!0;break;case"ArrowRight":this.isExpandable&&(this.isExpanded()?this.tree.setFocusToNextItem(this):this.tree.expandTreeitem(this)),t=!0;break;case"ArrowLeft":this.isExpandable&&this.isExpanded()?(this.tree.collapseTreeitem(this),t=!0):this.isInGroup&&(this.tree.setFocusToParentItem(this),t=!0);break;case"Home":this.tree.setFocusToFirstItem(),t=!0;break;case"End":this.tree.setFocusToLastItem(),t=!0;break;default:e.key.length===1&&e.key.match(/\S/)&&(e.key=="*"?this.tree.expandAllSiblingItems(this):this.tree.setFocusByFirstCharacter(this,e.key),t=!0);break}t&&(e.stopPropagation(),e.preventDefault())}};function M(n,e){let t;return(...i)=>{let s=()=>{t=null,n(...i)};t&&clearTimeout(t),t=setTimeout(s,e)}}var T=class{constructor(e,t){this.table=e;this.toggleAll=t;this.expandAllItems=()=>{this.toggles.map(e=>e.setAttribute("aria-expanded","true")),this.update()};this.collapseAllItems=()=>{this.toggles.map(e=>e.setAttribute("aria-expanded","false")),this.update()};this.update=()=>{this.updateVisibleItems(),setTimeout(()=>this.updateGlobalToggle())};this.rows=Array.from(e.querySelectorAll("[data-aria-controls]")),this.toggles=Array.from(this.table.querySelectorAll("[aria-expanded]")),this.setAttributes(),this.attachEventListeners(),this.update()}setAttributes(){for(let e of["data-aria-controls","data-aria-labelledby","data-id"])this.table.querySelectorAll(`[${e}]`).forEach(t=>{var i;t.setAttribute(e.replace("data-",""),(i=t.getAttribute(e))!=null?i:""),t.removeAttribute(e)})}attachEventListeners(){var 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u(){history.replaceState(null,"",`${location.pathname}#section-readme`),o==null||o.classList.add("UnitReadme--expanded")}function k(){var t;if(!location.hash)return;let n=document.getElementById(location.hash.slice(1)),e=(t=n==null?void 0:n.parentElement)==null?void 0:t.parentElement;(e==null?void 0:e.nodeName)==="DETAILS"&&(e.open=!0)}k();window.addEventListener("hashchange",()=>k());document.querySelectorAll(".js-buildContextSelect").forEach(n=>{n.addEventListener("change",e=>{window.location.search=`?GOOS=${e.target.value}`})});
 /*!
  * @license
  * Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/unit/main/main.js.map b/static/frontend/unit/main/main.js.map
index a4f7928..4810cdd 100644
--- a/static/frontend/unit/main/main.js.map
+++ b/static/frontend/unit/main/main.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["../../../shared/playground/playground.ts", "../../../shared/outline/select.ts", "../../../shared/outline/tree.ts", "../../../shared/table/table.ts", "main.ts"],
   "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n// This file implements the playground implementation of the documentation\n// page. The playground involves a \"play\" button that allows you to open up\n// a new link to play.golang.org using the example code.\n\n// The CSS is in static/frontend/unit/main/_doc.css\n\n/**\n * CSS classes used by PlaygroundExampleController\n */\nconst PlayExampleClassName = {\n  PLAY_HREF: '.js-exampleHref',\n  PLAY_CONTAINER: '.js-exampleContainer',\n  EXAMPLE_INPUT: '.Documentation-exampleCode',\n  EXAMPLE_OUTPUT: '.Documentation-exampleOutput',\n  EXAMPLE_ERROR: '.Documentation-exampleError',\n  PLAY_BUTTON: '.Documentation-examplePlayButton',\n  SHARE_BUTTON: '.Documentation-exampleShareButton',\n  FORMAT_BUTTON: '.Documentation-exampleFormatButton',\n  RUN_BUTTON: '.Documentation-exampleRunButton',\n};\n\n/**\n * This controller enables playground examples to expand their dropdown or\n * generate shareable Go Playground URLs.\n */\nexport class PlaygroundExampleController {\n  /**\n   * The anchor tag used to identify the container with an example href.\n   * There is only one in an example container div.\n   */\n  private readonly anchorEl: HTMLAnchorElement | null;\n\n  /**\n   * The error element\n   */\n  private readonly errorEl: Element | null;\n\n  /**\n   * Buttons that redirect to an example's playground, this element\n   * only exists in executable examples.\n   */\n  private readonly playButtonEl: Element | null;\n  private readonly shareButtonEl: Element | null;\n\n  /**\n   * Button that formats the code in an example's playground.\n   */\n  private readonly formatButtonEl: Element | null;\n\n  /**\n   * Button that runs the code in an example's playground, this element\n   * only exists in executable examples.\n   */\n  private readonly runButtonEl: Element | null;\n\n  /**\n   * The executable code of an example.\n   */\n  private readonly inputEl: HTMLTextAreaElement | null;\n\n  /**\n   * The output of the given example code. This only exists if the\n   * author of the package provides an output for this example.\n   */\n  private readonly outputEl: Element | null;\n\n  /**\n   * @param exampleEl The div that contains playground content for the given example.\n   */\n  constructor(private readonly exampleEl: HTMLDetailsElement) {\n    this.exampleEl = exampleEl;\n    this.anchorEl = exampleEl.querySelector('a');\n    this.errorEl = exampleEl.querySelector(PlayExampleClassName.EXAMPLE_ERROR);\n    this.playButtonEl = exampleEl.querySelector(PlayExampleClassName.PLAY_BUTTON);\n    this.shareButtonEl = exampleEl.querySelector(PlayExampleClassName.SHARE_BUTTON);\n    this.formatButtonEl = exampleEl.querySelector(PlayExampleClassName.FORMAT_BUTTON);\n    this.runButtonEl = exampleEl.querySelector(PlayExampleClassName.RUN_BUTTON);\n    this.inputEl = this.makeTextArea(exampleEl.querySelector(PlayExampleClassName.EXAMPLE_INPUT));\n    this.outputEl = exampleEl.querySelector(PlayExampleClassName.EXAMPLE_OUTPUT);\n\n    // This is legacy listener to be replaced the listener for shareButtonEl.\n    this.playButtonEl?.addEventListener('click', () => this.handleShareButtonClick());\n    this.shareButtonEl?.addEventListener('click', () => this.handleShareButtonClick());\n    this.formatButtonEl?.addEventListener('click', () => this.handleFormatButtonClick());\n    this.runButtonEl?.addEventListener('click', () => this.handleRunButtonClick());\n\n    if (!this.inputEl) return;\n\n    this.resize();\n    this.inputEl.addEventListener('keyup', () => this.resize());\n    this.inputEl.addEventListener('keydown', e => this.onKeydown(e));\n  }\n\n  /**\n   * Replace the pre element with a textarea. The examples are initially rendered\n   * as pre elements so they're fully visible when JS is disabled.\n   */\n  makeTextArea(el: Element | null): HTMLTextAreaElement {\n    const t = document.createElement('textarea');\n    t.classList.add('Documentation-exampleCode', 'code');\n    t.spellcheck = false;\n    t.value = el?.textContent ?? '';\n    el?.parentElement?.replaceChild(t, el);\n    return t;\n  }\n\n  /**\n   * Retrieve the hash value of the anchor element.\n   */\n  getAnchorHash(): string | undefined {\n    return this.anchorEl?.hash;\n  }\n\n  /**\n   * Expands the current playground example.\n   */\n  expand(): void {\n    this.exampleEl.open = true;\n  }\n\n  /**\n   * Resizes the input element to accommodate the amount of text present.\n   */\n  private resize(): void {\n    if (this.inputEl?.value) {\n      const numLineBreaks = (this.inputEl.value.match(/\\n/g) || []).length;\n      // min-height + lines x line-height + padding + border\n      this.inputEl.style.height = `${(20 + numLineBreaks * 20 + 12 + 2) / 16}rem`;\n    }\n  }\n\n  /**\n   * Handler to override keyboard behavior in the playground's\n   * textarea element.\n   *\n   * Tab key inserts tabs into the example playground instead of\n   * switching to the next interactive element.\n   * @param e input element keyboard event.\n   */\n  private onKeydown(e: KeyboardEvent) {\n    if (e.key === 'Tab') {\n      document.execCommand('insertText', false, '\\t');\n      e.preventDefault();\n    }\n  }\n\n  /**\n   * Changes the text of the example's input box.\n   */\n  private setInputText(output: string) {\n    if (this.inputEl) {\n      this.inputEl.value = output;\n    }\n  }\n\n  /**\n   * Changes the text of the example's output box.\n   */\n  private setOutputText(output: string) {\n    if (this.outputEl) {\n      this.outputEl.textContent = output;\n    }\n  }\n\n  /**\n   * Appends to the text of the example's output box.\n   */\n  private appendToOutputText(output: string) {\n    if (this.outputEl) {\n      this.outputEl.textContent += output;\n    }\n  }\n\n  private setOutputHTML(output: string) {\n    if (this.outputEl) {\n      this.outputEl.innerHTML = output;\n    }\n  }\n\n  /**\n   * Sets the error message text and overwrites\n   * output box to indicate a failed response.\n   */\n  private setErrorText(err: string) {\n    if (this.errorEl) {\n      this.errorEl.textContent = err;\n    }\n    this.setOutputText('An error has occurred\u2026');\n  }\n\n  private getCodeWithModFile(): string {\n    let codeWithModFile = this.inputEl?.value ?? '';\n    const moduleVars = document.querySelector<HTMLDivElement>('.js-playgroundVars')?.dataset ?? {};\n    if (moduleVars.modulepath !== 'std') {\n      codeWithModFile = codeWithModFile.concat(`\n-- go.mod --\nmodule play.ground\n\nrequire ${moduleVars.modulepath} ${moduleVars.version}\n`);\n    }\n\n    return codeWithModFile;\n  }\n\n  /**\n   * Opens a new window to play.golang.org using the\n   * example snippet's code in the playground.\n   */\n  private handleShareButtonClick() {\n    const PLAYGROUND_BASE_URL = 'https://play.golang.org/p/';\n\n    this.setOutputText('Waiting for remote server\u2026');\n\n    fetch('/play/share', {\n      method: 'POST',\n      body: this.getCodeWithModFile(),\n    })\n      .then(res => res.text())\n      .then(shareId => {\n        const href = PLAYGROUND_BASE_URL + shareId;\n        this.setOutputHTML(`<a href=\"${href}\">${href}</a>`);\n        window.open(href);\n      })\n      .catch(err => {\n        this.setErrorText(err);\n      });\n  }\n\n  /**\n   * Runs gofmt on the example snippet in the playground.\n   */\n  private handleFormatButtonClick() {\n    this.setOutputText('Waiting for remote server\u2026');\n    const body = new FormData();\n    body.append('body', this.inputEl?.value ?? '');\n\n    fetch('/play/fmt', {\n      method: 'POST',\n      body: body,\n    })\n      .then(res => res.json())\n      .then(({ Body, Error }) => {\n        this.setOutputText(Error || 'Done.');\n        if (Body) {\n          this.setInputText(Body);\n          this.resize();\n        }\n      })\n      .catch(err => {\n        this.setErrorText(err);\n      });\n  }\n\n  /**\n   * Runs the code snippet in the example playground.\n   */\n  private handleRunButtonClick() {\n    this.setOutputText('Waiting for remote server\u2026');\n\n    fetch('/play/compile', {\n      method: 'POST',\n      body: JSON.stringify({ body: this.getCodeWithModFile(), version: 2 }),\n    })\n      .then(res => res.json())\n      .then(async ({ Events, Errors }) => {\n        this.setOutputText(Errors || '');\n        for (const e of Events || []) {\n          this.appendToOutputText(e.Message);\n          await new Promise(resolve => setTimeout(resolve, e.Delay / 1000000));\n        }\n      })\n      .catch(err => {\n        this.setErrorText(err);\n      });\n  }\n}\n\nexport function initPlaygrounds(): void {\n  const exampleHashRegex = location.hash.match(/^#(example-.*)$/);\n  if (exampleHashRegex) {\n    const exampleHashEl = document.getElementById(exampleHashRegex[1]) as HTMLDetailsElement;\n    if (exampleHashEl) {\n      exampleHashEl.open = true;\n    }\n  }\n\n  // We use a spread operator to convert a nodelist into an array of elements.\n  const exampleHrefs = [\n    ...document.querySelectorAll<HTMLAnchorElement>(PlayExampleClassName.PLAY_HREF),\n  ];\n\n  /**\n   * Sometimes exampleHrefs and playContainers are in different order, so we\n   * find an exampleHref from a common hash.\n   * @param playContainer - playground container\n   */\n  const findExampleHash = (playContainer: PlaygroundExampleController) =>\n    exampleHrefs.find(ex => {\n      return ex.hash === playContainer.getAnchorHash();\n    });\n\n  for (const el of document.querySelectorAll(PlayExampleClassName.PLAY_CONTAINER)) {\n    // There should be the same amount of hrefs referencing examples as example containers.\n    const playContainer = new PlaygroundExampleController(el as HTMLDetailsElement);\n    const exampleHref = findExampleHash(playContainer);\n    if (exampleHref) {\n      exampleHref.addEventListener('click', () => {\n        playContainer.expand();\n      });\n    } else {\n      console.warn('example href not found');\n    }\n  }\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { TreeNavController } from './tree.js';\n\nexport class SelectNavController {\n  constructor(private el: Element) {\n    this.el.addEventListener('change', e => {\n      const target = e.target as HTMLSelectElement;\n      let href = target.value;\n      if (!target.value.startsWith('/')) {\n        href = '/' + href;\n      }\n      window.location.href = href;\n    });\n  }\n}\n\nexport function makeSelectNav(tree: TreeNavController): HTMLLabelElement {\n  const label = document.createElement('label');\n  label.classList.add('go-Label');\n  label.setAttribute('aria-label', 'Menu');\n  const select = document.createElement('select');\n  select.classList.add('go-Select', 'js-selectNav');\n  label.appendChild(select);\n  const outline = document.createElement('optgroup');\n  outline.label = 'Outline';\n  select.appendChild(outline);\n  const groupMap: Record<string, HTMLOptGroupElement> = {};\n  let group: HTMLOptGroupElement;\n  for (const t of tree.treeitems) {\n    if (Number(t.depth) > 4) continue;\n    if (t.groupTreeitem) {\n      group = groupMap[t.groupTreeitem.label];\n      if (!group) {\n        group = groupMap[t.groupTreeitem.label] = document.createElement('optgroup');\n        group.label = t.groupTreeitem.label;\n        select.appendChild(group);\n      }\n    } else {\n      group = outline;\n    }\n    const o = document.createElement('option');\n    o.label = t.label;\n    o.textContent = t.label;\n    o.value = (t.el as HTMLAnchorElement).href.replace(window.location.origin, '').replace('/', '');\n    group.appendChild(o);\n  }\n  tree.addObserver(t => {\n    const hash = (t.el as HTMLAnchorElement).hash;\n    const value = select.querySelector<HTMLOptionElement>(`[value$=\"${hash}\"]`)?.value;\n    if (value) {\n      select.value = value;\n    }\n  }, 50);\n  return label;\n}\n", "/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * TreeNavController is the navigation tree component of the documentation page.\n * It adds accessiblity attributes to a tree, observes the heading elements\n * focus the topmost link for headings visible on the page, and implements the\n * WAI-ARIA Treeview Design Pattern with full\n * [keyboard support](https://www.w3.org/TR/wai-aria-practices/examples/treeview/treeview-2/treeview-2a.html#kbd_label).\n */\nexport class TreeNavController {\n  treeitems: TreeItem[];\n\n  /**\n   * firstChars is the first character of each treeitem in the same order\n   * as this.treeitems. We use this array to set focus by character when\n   * navigating the tree with a keyboard.\n   */\n  private firstChars: string[];\n  private firstTreeitem: TreeItem | null;\n  private lastTreeitem: TreeItem | null;\n  private observerCallbacks: ((t: TreeItem) => void)[];\n\n  constructor(private el: HTMLElement) {\n    this.treeitems = [];\n    this.firstChars = [];\n    this.firstTreeitem = null;\n    this.lastTreeitem = null;\n    this.observerCallbacks = [];\n    this.init();\n  }\n\n  private init(): void {\n    this.handleResize();\n    window.addEventListener('resize', this.handleResize);\n    this.findTreeItems();\n    this.updateVisibleTreeitems();\n    this.observeTargets();\n    if (this.firstTreeitem) {\n      this.firstTreeitem.el.tabIndex = 0;\n    }\n  }\n\n  private handleResize = (): void => {\n    this.el.style.setProperty('--js-tree-height', '100vh');\n    this.el.style.setProperty('--js-tree-height', this.el.clientHeight + 'px');\n  };\n\n  private observeTargets() {\n    this.addObserver(treeitem => {\n      this.expandTreeitem(treeitem);\n      this.setSelected(treeitem);\n      // TODO: Fix scroll issue in https://golang.org/issue/47450.\n      // treeitem.el.scrollIntoView({ block: 'nearest' });\n    });\n\n    const targets = new Map<string, boolean>();\n    const observer = new IntersectionObserver(\n      entries => {\n        for (const entry of entries) {\n          targets.set(entry.target.id, entry.isIntersecting || entry.intersectionRatio === 1);\n        }\n        for (const [id, isIntersecting] of targets) {\n          if (isIntersecting) {\n            const active = this.treeitems.find(t =>\n              (t.el as HTMLAnchorElement)?.href.endsWith(`#${id}`)\n            );\n            if (active) {\n              for (const fn of this.observerCallbacks) {\n                fn(active);\n              }\n            }\n            break;\n          }\n        }\n      },\n      {\n        threshold: 1.0,\n        rootMargin: '-60px 0px 0px 0px',\n      }\n    );\n\n    for (const href of this.treeitems.map(t => t.el.getAttribute('href'))) {\n      if (href) {\n        const id = href.replace(window.location.origin, '').replace('/', '').replace('#', '');\n        const target = document.getElementById(id);\n        if (target) {\n          observer.observe(target);\n        }\n      }\n    }\n  }\n\n  addObserver(fn: (t: TreeItem) => void, delay = 200): void {\n    this.observerCallbacks.push(debounce(fn, delay));\n  }\n\n  setFocusToNextItem(currentItem: TreeItem): void {\n    let nextItem = null;\n    for (let i = currentItem.index + 1; i < this.treeitems.length; i++) {\n      const ti = this.treeitems[i];\n      if (ti.isVisible) {\n        nextItem = ti;\n        break;\n      }\n    }\n    if (nextItem) {\n      this.setFocusToItem(nextItem);\n    }\n  }\n\n  setFocusToPreviousItem(currentItem: TreeItem): void {\n    let prevItem = null;\n    for (let i = currentItem.index - 1; i > -1; i--) {\n      const ti = this.treeitems[i];\n      if (ti.isVisible) {\n        prevItem = ti;\n        break;\n      }\n    }\n    if (prevItem) {\n      this.setFocusToItem(prevItem);\n    }\n  }\n\n  setFocusToParentItem(currentItem: TreeItem): void {\n    if (currentItem.groupTreeitem) {\n      this.setFocusToItem(currentItem.groupTreeitem);\n    }\n  }\n\n  setFocusToFirstItem(): void {\n    this.firstTreeitem && this.setFocusToItem(this.firstTreeitem);\n  }\n\n  setFocusToLastItem(): void {\n    this.lastTreeitem && this.setFocusToItem(this.lastTreeitem);\n  }\n\n  setSelected(currentItem: TreeItem): void {\n    for (const l1 of this.el.querySelectorAll('[aria-expanded=\"true\"]')) {\n      if (l1 === currentItem.el) continue;\n      if (!l1.nextElementSibling?.contains(currentItem.el)) {\n        l1.setAttribute('aria-expanded', 'false');\n      }\n    }\n    for (const l1 of this.el.querySelectorAll('[aria-selected]')) {\n      if (l1 !== currentItem.el) {\n        l1.setAttribute('aria-selected', 'false');\n      }\n    }\n    currentItem.el.setAttribute('aria-selected', 'true');\n    this.updateVisibleTreeitems();\n    this.setFocusToItem(currentItem, false);\n  }\n\n  expandTreeitem(treeitem: TreeItem): void {\n    let currentItem: TreeItem | null = treeitem;\n    while (currentItem) {\n      if (currentItem.isExpandable) {\n        currentItem.el.setAttribute('aria-expanded', 'true');\n      }\n      currentItem = currentItem.groupTreeitem;\n    }\n    this.updateVisibleTreeitems();\n  }\n\n  expandAllSiblingItems(currentItem: TreeItem): void {\n    for (const ti of this.treeitems) {\n      if (ti.groupTreeitem === currentItem.groupTreeitem && ti.isExpandable) {\n        this.expandTreeitem(ti);\n      }\n    }\n  }\n\n  collapseTreeitem(currentItem: TreeItem): void {\n    let groupTreeitem = null;\n\n    if (currentItem.isExpanded()) {\n      groupTreeitem = currentItem;\n    } else {\n      groupTreeitem = currentItem.groupTreeitem;\n    }\n\n    if (groupTreeitem) {\n      groupTreeitem.el.setAttribute('aria-expanded', 'false');\n      this.updateVisibleTreeitems();\n      this.setFocusToItem(groupTreeitem);\n    }\n  }\n\n  setFocusByFirstCharacter(currentItem: TreeItem, char: string): void {\n    let start: number, index: number;\n    char = char.toLowerCase();\n\n    // Get start index for search based on position of currentItem\n    start = currentItem.index + 1;\n    if (start === this.treeitems.length) {\n      start = 0;\n    }\n\n    // Check remaining slots in the menu\n    index = this.getIndexFirstChars(start, char);\n\n    // If not found in remaining slots, check from beginning\n    if (index === -1) {\n      index = this.getIndexFirstChars(0, char);\n    }\n\n    // If match was found...\n    if (index > -1) {\n      this.setFocusToItem(this.treeitems[index]);\n    }\n  }\n\n  private findTreeItems() {\n    const findItems = (el: HTMLElement, group: TreeItem | null) => {\n      let ti = group;\n      let curr = el.firstElementChild as HTMLElement;\n      while (curr) {\n        if (curr.tagName === 'A' || curr.tagName === 'SPAN') {\n          ti = new TreeItem(curr, this, group);\n          this.treeitems.push(ti);\n          this.firstChars.push(ti.label.substring(0, 1).toLowerCase());\n        }\n        if (curr.firstElementChild) {\n          findItems(curr, ti);\n        }\n        curr = curr.nextElementSibling as HTMLElement;\n      }\n    };\n    findItems(this.el as HTMLElement, null);\n    this.treeitems.map((ti, idx) => (ti.index = idx));\n  }\n\n  private updateVisibleTreeitems(): void {\n    this.firstTreeitem = this.treeitems[0];\n\n    for (const ti of this.treeitems) {\n      let parent = ti.groupTreeitem;\n      ti.isVisible = true;\n      while (parent && parent.el !== this.el) {\n        if (!parent.isExpanded()) {\n          ti.isVisible = false;\n        }\n        parent = parent.groupTreeitem;\n      }\n      if (ti.isVisible) {\n        this.lastTreeitem = ti;\n      }\n    }\n  }\n\n  private setFocusToItem(treeitem: TreeItem, focusEl = true) {\n    treeitem.el.tabIndex = 0;\n    if (focusEl) {\n      treeitem.el.focus();\n    }\n    for (const ti of this.treeitems) {\n      if (ti !== treeitem) {\n        ti.el.tabIndex = -1;\n      }\n    }\n  }\n\n  private getIndexFirstChars(startIndex: number, char: string): number {\n    for (let i = startIndex; i < this.firstChars.length; i++) {\n      if (this.treeitems[i].isVisible && char === this.firstChars[i]) {\n        return i;\n      }\n    }\n    return -1;\n  }\n}\n\nclass TreeItem {\n  el: HTMLElement;\n  groupTreeitem: TreeItem | null;\n  label: string;\n  isExpandable: boolean;\n  isVisible: boolean;\n  depth: number;\n  index: number;\n\n  private tree: TreeNavController;\n  private isInGroup: boolean;\n\n  constructor(el: HTMLElement, treeObj: TreeNavController, group: TreeItem | null) {\n    el.tabIndex = -1;\n    this.el = el;\n    this.groupTreeitem = group;\n    this.label = el.textContent?.trim() ?? '';\n    this.tree = treeObj;\n    this.depth = (group?.depth || 0) + 1;\n    this.index = 0;\n\n    const parent = el.parentElement;\n    if (parent?.tagName.toLowerCase() === 'li') {\n      parent?.setAttribute('role', 'none');\n    }\n    el.setAttribute('aria-level', this.depth + '');\n    if (el.getAttribute('aria-label')) {\n      this.label = el?.getAttribute('aria-label')?.trim() ?? '';\n    }\n\n    this.isExpandable = false;\n    this.isVisible = false;\n    this.isInGroup = !!group;\n\n    let curr = el.nextElementSibling;\n    while (curr) {\n      if (curr.tagName.toLowerCase() == 'ul') {\n        const groupId = `${group?.label ?? ''} nav group ${this.label}`.replace(/[\\W_]+/g, '_');\n        el.setAttribute('aria-owns', groupId);\n        el.setAttribute('aria-expanded', 'false');\n        curr.setAttribute('role', 'group');\n        curr.setAttribute('id', groupId);\n        this.isExpandable = true;\n        break;\n      }\n\n      curr = curr.nextElementSibling;\n    }\n    this.init();\n  }\n\n  private init() {\n    this.el.tabIndex = -1;\n    if (!this.el.getAttribute('role')) {\n      this.el.setAttribute('role', 'treeitem');\n    }\n    this.el.addEventListener('keydown', this.handleKeydown.bind(this));\n    this.el.addEventListener('click', this.handleClick.bind(this));\n    this.el.addEventListener('focus', this.handleFocus.bind(this));\n    this.el.addEventListener('blur', this.handleBlur.bind(this));\n  }\n\n  isExpanded() {\n    if (this.isExpandable) {\n      return this.el.getAttribute('aria-expanded') === 'true';\n    }\n\n    return false;\n  }\n\n  isSelected() {\n    return this.el.getAttribute('aria-selected') === 'true';\n  }\n\n  private handleClick(event: MouseEvent) {\n    // only process click events that directly happened on this treeitem\n    if (event.target !== this.el && event.target !== this.el.firstElementChild) {\n      return;\n    }\n    if (this.isExpandable) {\n      if (this.isExpanded() && this.isSelected()) {\n        this.tree.collapseTreeitem(this);\n      } else {\n        this.tree.expandTreeitem(this);\n      }\n      event.stopPropagation();\n    }\n    this.tree.setSelected(this);\n  }\n\n  private handleFocus() {\n    let el = this.el;\n    if (this.isExpandable) {\n      el = (el.firstElementChild as HTMLElement) ?? el;\n    }\n    el.classList.add('focus');\n  }\n\n  private handleBlur() {\n    let el = this.el;\n    if (this.isExpandable) {\n      el = (el.firstElementChild as HTMLElement) ?? el;\n    }\n    el.classList.remove('focus');\n  }\n\n  private handleKeydown(event: KeyboardEvent) {\n    if (event.altKey || event.ctrlKey || event.metaKey) {\n      return;\n    }\n\n    let captured = false;\n    switch (event.key) {\n      case ' ':\n      case 'Enter':\n        if (this.isExpandable) {\n          if (this.isExpanded() && this.isSelected()) {\n            this.tree.collapseTreeitem(this);\n          } else {\n            this.tree.expandTreeitem(this);\n          }\n          captured = true;\n        } else {\n          event.stopPropagation();\n        }\n        this.tree.setSelected(this);\n        break;\n\n      case 'ArrowUp':\n        this.tree.setFocusToPreviousItem(this);\n        captured = true;\n        break;\n\n      case 'ArrowDown':\n        this.tree.setFocusToNextItem(this);\n        captured = true;\n        break;\n\n      case 'ArrowRight':\n        if (this.isExpandable) {\n          if (this.isExpanded()) {\n            this.tree.setFocusToNextItem(this);\n          } else {\n            this.tree.expandTreeitem(this);\n          }\n        }\n        captured = true;\n        break;\n\n      case 'ArrowLeft':\n        if (this.isExpandable && this.isExpanded()) {\n          this.tree.collapseTreeitem(this);\n          captured = true;\n        } else {\n          if (this.isInGroup) {\n            this.tree.setFocusToParentItem(this);\n            captured = true;\n          }\n        }\n        break;\n\n      case 'Home':\n        this.tree.setFocusToFirstItem();\n        captured = true;\n        break;\n\n      case 'End':\n        this.tree.setFocusToLastItem();\n        captured = true;\n        break;\n\n      default:\n        if (event.key.length === 1 && event.key.match(/\\S/)) {\n          if (event.key == '*') {\n            this.tree.expandAllSiblingItems(this);\n          } else {\n            this.tree.setFocusByFirstCharacter(this, event.key);\n          }\n          captured = true;\n        }\n        break;\n    }\n\n    if (captured) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n  }\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction debounce<T extends (...args: any[]) => any>(func: T, wait: number) {\n  let timeout: ReturnType<typeof setTimeout> | null;\n  return (...args: Parameters<T>) => {\n    const later = () => {\n      timeout = null;\n      func(...args);\n    };\n    if (timeout) {\n      clearTimeout(timeout);\n    }\n    timeout = setTimeout(later, wait);\n  };\n}\n", "/*!\n * @license\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * Controller for a table element with expandable rows. Adds event listeners to\n * a toggle within a table row that controls visiblity of additional related\n * rows in the table.\n *\n * @example\n * ```typescript\n * import {ExpandableRowsTableController} from '/static/js/table';\n *\n * const el = document .querySelector<HTMLTableElement>('.js-myTableElement')\n * new ExpandableRowsTableController(el));\n * ```\n */\nexport class ExpandableRowsTableController {\n  private rows: HTMLTableRowElement[];\n  private toggles: HTMLButtonElement[];\n\n  /**\n   * Create a table controller.\n   * @param table - The table element to which the controller binds.\n   */\n  constructor(private table: HTMLTableElement, private toggleAll?: HTMLButtonElement | null) {\n    this.rows = Array.from(table.querySelectorAll<HTMLTableRowElement>('[data-aria-controls]'));\n    this.toggles = Array.from(this.table.querySelectorAll('[aria-expanded]'));\n    this.setAttributes();\n    this.attachEventListeners();\n    this.update();\n  }\n\n  /**\n   * setAttributes sets data-aria-* and data-id attributes to regular\n   * html attributes as a workaround for limitations from safehtml.\n   */\n  private setAttributes() {\n    for (const a of ['data-aria-controls', 'data-aria-labelledby', 'data-id']) {\n      this.table.querySelectorAll(`[${a}]`).forEach(t => {\n        t.setAttribute(a.replace('data-', ''), t.getAttribute(a) ?? '');\n        t.removeAttribute(a);\n      });\n    }\n  }\n\n  private attachEventListeners() {\n    this.rows.forEach(t => {\n      t.addEventListener('click', e => {\n        this.handleToggleClick(e);\n      });\n    });\n    this.toggleAll?.addEventListener('click', () => {\n      this.expandAllItems();\n    });\n\n    document.addEventListener('keydown', e => {\n      if ((e.ctrlKey || e.metaKey) && e.key === 'f') {\n        this.expandAllItems();\n      }\n    });\n  }\n\n  private handleToggleClick(e: MouseEvent) {\n    let target = e.currentTarget as HTMLTableRowElement | null;\n    if (!target?.hasAttribute('aria-expanded')) {\n      target = this.table.querySelector(\n        `button[aria-controls=\"${target?.getAttribute('aria-controls')}\"]`\n      );\n    }\n    const isExpanded = target?.getAttribute('aria-expanded') === 'true';\n    target?.setAttribute('aria-expanded', isExpanded ? 'false' : 'true');\n    e.stopPropagation();\n    this.update();\n  }\n\n  expandAllItems = (): void => {\n    this.toggles.map(t => t.setAttribute('aria-expanded', 'true'));\n    this.update();\n  };\n\n  private collapseAllItems = () => {\n    this.toggles.map(t => t.setAttribute('aria-expanded', 'false'));\n    this.update();\n  };\n\n  private update = () => {\n    this.updateVisibleItems();\n    setTimeout(() => this.updateGlobalToggle());\n  };\n\n  private updateVisibleItems() {\n    this.rows.map(t => {\n      const isExpanded = t?.getAttribute('aria-expanded') === 'true';\n      const rowIds = t?.getAttribute('aria-controls')?.trimEnd().split(' ');\n      rowIds?.map(id => {\n        const target = document.getElementById(`${id}`);\n        if (isExpanded) {\n          target?.classList.add('visible');\n          target?.classList.remove('hidden');\n        } else {\n          target?.classList.add('hidden');\n          target?.classList.remove('visible');\n        }\n      });\n    });\n  }\n\n  private updateGlobalToggle() {\n    if (!this.toggleAll) return;\n    if (this.rows.some(t => t.hasAttribute('aria-expanded'))) {\n      this.toggleAll.style.display = 'block';\n    }\n    const someCollapsed = this.toggles.some(el => el.getAttribute('aria-expanded') === 'false');\n    if (someCollapsed) {\n      this.toggleAll.innerText = 'Expand all';\n      this.toggleAll.onclick = this.expandAllItems;\n      this.toggleAll.setAttribute('aria-label', 'Expand all directories');\n      this.toggleAll.setAttribute('aria-live', 'polite');\n    } else {\n      this.toggleAll.innerText = 'Collapse all';\n      this.toggleAll.onclick = this.collapseAllItems;\n      this.toggleAll.setAttribute('aria-label', 'Collapse all directories');\n      this.toggleAll.setAttribute('aria-live', 'polite');\n    }\n  }\n}\n", "import { initPlaygrounds } from 'static/shared/playground/playground';\nimport { SelectNavController, makeSelectNav } from 'static/shared/outline/select';\nimport { TreeNavController } from 'static/shared/outline/tree';\nimport { ExpandableRowsTableController } from 'static/shared/table/table';\n\ninitPlaygrounds();\n\nconst directories = document.querySelector<HTMLTableElement>('.js-expandableTable');\nif (directories) {\n  const table = new ExpandableRowsTableController(\n    directories,\n    document.querySelector<HTMLButtonElement>('.js-expandAllDirectories')\n  );\n  // Expand directories on page load with expand-directories query param.\n  if (window.location.search.includes('expand-directories')) {\n    table.expandAllItems();\n  }\n\n  const internalToggle = document.querySelector<HTMLButtonElement>('.js-showInternalDirectories');\n  if (internalToggle) {\n    if (document.querySelector('.UnitDirectories-internal')) {\n      internalToggle.style.display = 'block';\n      internalToggle.setAttribute('aria-label', 'Show Internal Directories');\n      internalToggle.setAttribute('aria-describedby', 'showInternal-description');\n    }\n    internalToggle.addEventListener('click', () => {\n      if (directories.classList.contains('UnitDirectories-showInternal')) {\n        directories.classList.remove('UnitDirectories-showInternal');\n        internalToggle.innerText = 'Show internal';\n        internalToggle.setAttribute('aria-label', 'Show Internal Directories');\n        internalToggle.setAttribute('aria-live', 'polite');\n        internalToggle.setAttribute('aria-describedby', 'showInternal-description');\n      } else {\n        directories.classList.add('UnitDirectories-showInternal');\n        internalToggle.innerText = 'Hide internal';\n        internalToggle.setAttribute('aria-label', 'Hide Internal Directories');\n        internalToggle.setAttribute('aria-live', 'polite');\n        internalToggle.setAttribute('aria-describedby', 'hideInternal-description');\n      }\n    });\n  }\n  if (document.querySelector('html[data-local=\"true\"]')) {\n    internalToggle?.click();\n  }\n}\n\nconst treeEl = document.querySelector<HTMLElement>('.js-tree');\nif (treeEl) {\n  const treeCtrl = new TreeNavController(treeEl);\n  const select = makeSelectNav(treeCtrl);\n  const mobileNav = document.querySelector('.js-mainNavMobile');\n  if (mobileNav && mobileNav.firstElementChild) {\n    mobileNav?.replaceChild(select, mobileNav.firstElementChild);\n  }\n  if (select.firstElementChild) {\n    new SelectNavController(select.firstElementChild);\n  }\n}\n\n/**\n * Event handlers for expanding and collapsing the readme section.\n */\nconst readme = document.querySelector('.js-readme');\nconst readmeContent = document.querySelector('.js-readmeContent');\nconst readmeOutline = document.querySelector('.js-readmeOutline');\nconst readmeExpand = document.querySelectorAll('.js-readmeExpand');\nconst readmeCollapse = document.querySelector('.js-readmeCollapse');\nconst mobileNavSelect = document.querySelector<HTMLSelectElement>('.DocNavMobile-select');\nif (readme && readmeContent && readmeOutline && readmeExpand.length && readmeCollapse) {\n  if (readme.clientHeight > 320) {\n    readme?.classList.remove('UnitReadme--expanded');\n    readme?.classList.add('UnitReadme--toggle');\n  }\n  if (window.location.hash.includes('readme')) {\n    expandReadme();\n  }\n  mobileNavSelect?.addEventListener('change', e => {\n    if ((e.target as HTMLSelectElement).value.startsWith('readme-')) {\n      expandReadme();\n    }\n  });\n  readmeExpand.forEach(el =>\n    el.addEventListener('click', e => {\n      e.preventDefault();\n      expandReadme();\n      readme.scrollIntoView();\n    })\n  );\n  readmeCollapse.addEventListener('click', e => {\n    e.preventDefault();\n    readme.classList.remove('UnitReadme--expanded');\n    if (readmeExpand[1]) {\n      readmeExpand[1].scrollIntoView({ block: 'center' });\n    }\n  });\n  readmeContent.addEventListener('keyup', () => {\n    expandReadme();\n  });\n  readmeContent.addEventListener('click', () => {\n    expandReadme();\n  });\n  readmeOutline.addEventListener('click', () => {\n    expandReadme();\n  });\n  document.addEventListener('keydown', e => {\n    if ((e.ctrlKey || e.metaKey) && e.key === 'f') {\n      expandReadme();\n    }\n  });\n}\n\n/**\n * expandReadme expands the readme and adds the section-readme hash to the\n * URL so it stays expanded when navigating back from an external link.\n */\nfunction expandReadme() {\n  history.replaceState(null, '', `${location.pathname}#section-readme`);\n  readme?.classList.add('UnitReadme--expanded');\n}\n\n/**\n * Expand details items that are focused. 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+  "names": ["PlayExampleClassName", "PlaygroundExampleController", "exampleEl", "_a", "_b", "_c", "_d", "e", "el", "numLineBreaks", "output", "err", "codeWithModFile", "moduleVars", "PLAYGROUND_BASE_URL", "res", "shareId", "href", "body", "Body", "Error", "Events", "Errors", "resolve", "initPlaygrounds", "exampleHashRegex", "exampleHashEl", "exampleHrefs", "findExampleHash", "playContainer", "ex", "exampleHref", "SelectNavController", "el", "e", "target", "href", "makeSelectNav", "tree", "label", "select", "outline", "groupMap", "group", "t", "o", "_a", "hash", "value", "TreeNavController", "el", "treeitem", "targets", "observer", "entries", "entry", "id", "isIntersecting", "active", "t", "_a", "fn", "href", "target", "delay", "debounce", "currentItem", "nextItem", "ti", "prevItem", "l1", "groupTreeitem", "char", "start", "index", "findItems", "group", "curr", "TreeItem", "idx", "parent", "focusEl", "startIndex", "treeObj", "_b", "_c", "_d", "_e", "groupId", "event", "captured", "func", "wait", "timeout", "args", "later", "ExpandableRowsTableController", "table", "toggleAll", "t", "a", "_a", "e", "target", "isExpanded", "rowIds", "id", "el", "initPlaygrounds", "directories", "table", "ExpandableRowsTableController", "internalToggle", "treeEl", "treeCtrl", "TreeNavController", "select", "makeSelectNav", "mobileNav", "SelectNavController", "readme", "readmeContent", "readmeOutline", "readmeExpand", "readmeCollapse", "mobileNavSelect", "expandReadme", "e", "el", "openDeprecatedSymbol", "_a", "heading", "grandParent"]
 }
diff --git a/static/frontend/unit/main/main.min.css.map b/static/frontend/unit/main/main.min.css.map
index 40fd0d2..2fc759e 100644
--- a/static/frontend/unit/main/main.min.css.map
+++ b/static/frontend/unit/main/main.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["_build-context.css", "_directories.css", "_doc.css", "_files.css", "_meta.css", "_outline.css", "_readme_gen.css", "_readme.css", "main.css"],
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0;\n}\n\n.Documentation h2,\n.Documentation h3 {\n  margin-top: 1.5rem;\n}\n\n.Documentation a:hover {\n  text-decoration: underline;\n}\n\n.Documentation h2 a,\n.Documentation h3 a,\n.Documentation h4 a.Documentation-idLink,\n.Documentation summary a {\n  opacity: 0;\n}\n\n.Documentation a:focus {\n  opacity: 1;\n}\n\n.Documentation h3 a.Documentation-source {\n  opacity: 1;\n}\n\n.Documentation h2:hover a,\n.Documentation h3:hover a,\n.Documentation h4:hover a,\n.Documentation summary:hover a,\n.Documentation summary:focus a {\n  opacity: 1;\n}\n\n.Documentation ul {\n  line-height: 1.5rem;\n  list-style: none;\n  padding-left: 0;\n}\n\n.Documentation ul ul {\n  padding-left: 2em;\n}\n\n.Documentation .Documentation-bulletList {\n  list-style: disc;\n  margin-bottom: 1rem;\n  padding-left: 2rem;\n}\n\n.Documentation .Documentation-numberList {\n  list-style: decimal;\n  margin-bottom: 1rem;\n  padding-left: 2rem;\n}\n\n.Documentation pre + pre {\n  margin-top: 0.625rem;\n}\n\n.Documentation .Documentation-declarationLink + pre {\n  border-radius: 0 0 0.3em 0.3em;\n  border-top: var(--border);\n  margin-top: 0;\n}\n\n.Documentation pre .comment {\n  color: var(--color-code-comment);\n}\n\n.Documentation-toc,\n.Documentation-overview,\n.Documentation-index,\n.Documentation-examples {\n  padding-bottom: 0;\n}\n\n.Documentation-empty {\n  color: var(--color-text-subtle);\n  margin-top: -0.5rem;\n}\n@media only screen and (min-width: 64rem) {\n  .Documentation-toc {\n    margin-left: 2rem;\n    white-space: nowrap;\n  }\n\n  .Documentation-toc-columns {\n    columns: 2;\n  }\n}\n\n.Documentation-toc:empty {\n  display: none;\n}\n\n.Documentation-tocItem {\n  overflow: hidden;\n  text-overflow: ellipsis;\n}\n\n.Documentation-tocItem--constants,\n.Documentation-tocItem--funcsAndTypes,\n.Documentation-tocItem--functions,\n.Documentation-tocItem--types,\n.Documentation-tocItem--variables,\n.Documentation-tocItem--notes {\n  display: none;\n}\n\n.Documentation-overviewHeader,\n.Documentation-indexHeader,\n.Documentation-constantsHeader,\n.Documentation-variablesHeader,\n.Documentation-examplesHeader,\n.Documentation-filesHeader,\n.Documentation-functionHeader,\n.Documentation-typeHeader,\n.Documentation-typeMethodHeader,\n.Documentation-typeFuncHeader {\n  margin-bottom: 0.5rem;\n}\n\n.Documentation-function h4,\n.Documentation-type h4,\n.Documentation-typeFunc h4,\n.Documentation-typeMethod h4 {\n  align-items: baseline;\n  display: flex;\n  justify-content: space-between;\n}\n\n.Documentation-sinceVersion {\n  color: var(--color-text-subtle);\n  font-size: 0.9375rem;\n  font-weight: 400;\n}\n\n.Documentation-constants br:last-of-type,\n.Documentation-variables br:last-of-type {\n  display: none;\n}\n\n.Documentation-build {\n  color: var(--color-text-subtle);\n  padding-top: 1.5rem;\n  text-align: right;\n}\n\n.Documentation-declaration pre {\n  scroll-padding-top: calc(var(--js-sticky-header-height, 3.5rem) + 3.75rem);\n}\n@media only screen and (min-width: 64rem) {\n  .Documentation-declaration pre {\n    scroll-padding-top: calc(var(--js-sticky-header-height, 3.5rem) + 0.75rem);\n  }\n}\n\n.Documentation-declaration + .Documentation-declaration {\n  margin-top: 0.625rem;\n}\n\n.Documentation-declarationLink {\n  background-color: var(--color-background-accented);\n  border: var(--border);\n  border-bottom: none;\n  border-radius: 0.3em 0.3em 0 0;\n  display: block;\n  font-size: 0.75rem;\n  line-height: 0.5rem;\n  padding: 0.375rem;\n  text-align: right;\n}\n\n.Documentation-exampleButtonsContainer {\n  align-items: center;\n  display: flex;\n  justify-content: flex-end;\n  margin-top: 0.5rem;\n}\n\n.Documentation-examplePlayButton {\n  background-color: var(--white);\n  border: 0.15rem solid var(--turq-med);\n  color: var(--turq-med);\n  cursor: pointer;\n  flex-shrink: 0;\n  height: 2.5rem;\n  width: 4.125rem;\n}\n\n.Documentation-exampleRunButton,\n.Documentation-exampleShareButton,\n.Documentation-exampleFormatButton {\n  border: 0.0625rem solid var(--turq-dark);\n  border-radius: 0.25rem;\n  cursor: pointer;\n  height: 2rem;\n  margin-left: 0.5rem;\n  padding: 0 1rem;\n}\n\n.Documentation-exampleRunButton {\n  background-color: var(--turq-dark);\n  color: var(--white);\n}\n\n.Documentation-exampleShareButton,\n.Documentation-exampleFormatButton {\n  background-color: var(--white);\n  color: var(--turq-dark);\n}\n\n.Documentation-exampleDetails {\n  margin-top: 1rem;\n}\n\n.Documentation-exampleDetailsBody pre {\n  border-radius: 0 0 0.3rem 0.3rem;\n  margin-bottom: 1rem;\n  margin-top: -0.25rem;\n}\n\n.Documentation-exampleDetailsBody textarea {\n  height: 100%;\n  outline: none;\n  overflow-x: auto;\n  resize: none;\n  white-space: pre;\n  width: 100%;\n}\n\n/**\n * We add another selector here to these two classes to increase CSS specificity,\n * the selector .Documentation pre + pre overrides .Documentation-exampleCode\n * and .Documentation-exampleOutput by itself and would replace the styles.\n */\n.Documentation-exampleDetailsBody .Documentation-exampleCode {\n  border-bottom-left-radius: 0;\n  border-bottom-right-radius: 0;\n  margin: 0;\n}\n\n.Documentation-exampleDetailsBody .Documentation-exampleOutput {\n  border-top-left-radius: 0;\n  border-top-right-radius: 0;\n  margin: 0 0 0.5rem;\n}\n\n.Documentation-exampleDetailsHeader {\n  color: var(--color-brand-primary);\n  cursor: pointer;\n  margin-bottom: 2rem;\n  outline: none;\n  text-decoration: none;\n}\n\n.Documentation-exampleOutputLabel {\n  color: var(--color-text-subtle);\n}\n\n.Documentation-exampleError {\n  color: var(--pink);\n  margin-right: 0.4rem;\n  padding-right: 0.5rem;\n}\n\n/* See https://golang.org/issue/43368 for context. */\n.Documentation-function pre,\n.Documentation-typeFunc pre,\n.Documentation-typeMethod pre {\n  white-space: pre-wrap;\n  word-break: break-all;\n  word-wrap: break-word;\n}\n\n.Documentation-indexDeprecated {\n  margin-left: 0.5rem;\n}\n\n.Documentation-deprecatedBody {\n  color: var(--color-text-subtle);\n  font-size: 0.87rem;\n  font-weight: 400;\n  margin-left: 0.25rem;\n  margin-right: 0.5rem;\n}\n\n.Documentation-deprecatedTag {\n  background-color: var(--color-border);\n  border-radius: 0.125rem;\n  color: var(--color-text-inverted);\n  font-size: 0.75rem;\n  font-weight: normal;\n  line-height: 1.375;\n  padding: 0.125rem 0.25rem;\n  text-transform: uppercase;\n  vertical-align: middle;\n}\n\n.Documentation-deprecatedTitle {\n  align-items: center;\n  display: flex;\n  gap: 0.5rem;\n}\n\n.Documentation-deprecatedDetails {\n  color: var(--color-text-subtle);\n}\n\n.Documentation-deprecatedDetails a {\n  color: var(--color-text-subtle);\n}\n\n.Documentation-deprecatedDetails[open] {\n  color: var(--color-text);\n}\n\n.Documentation-deprecatedDetails[open] a {\n  color: var(--color-brand-primary);\n}\n\n.Documentation-deprecatedDetails .Documentation-deprecatedBody::after {\n  color: var(--color-brand-primary);\n  content: 'Show';\n}\n\n.Documentation-deprecatedDetails[open] .Documentation-deprecatedBody::after {\n  color: var(--color-brand-primary);\n  content: 'Hide';\n}\n\n.Documentation-deprecatedDetails > summary {\n  list-style: none;\n  opacity: 1;\n}\n\n.Documentation-deprecatedDetails .Documentation-source {\n  opacity: 1;\n}\n\n.Documentation-deprecatedItemBody {\n  padding: 1rem 1rem 0.5rem;\n}\n\n.Documentation-deprecatedMessage {\n  align-items: center;\n  display: flex;\n  gap: 0.5rem;\n  margin-bottom: 1rem;\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.UnitFiles {\n  margin-bottom: 2rem;\n}\n\n.UnitFiles-titleLink {\n  position: relative;\n}\n\n.UnitFiles-titleLink a {\n  bottom: 1rem;\n  font-size: 0.875rem;\n  position: absolute;\n  right: 0;\n}\n\n.UnitFiles-titleLink a::after {\n  background-image: url('/static/shared/icon/launch_gm_grey_24dp.svg');\n  background-repeat: no-repeat;\n  background-size: 0.875rem 1.25rem;\n  content: '';\n  display: inline-block;\n  height: 1rem;\n  left: 0.3125rem;\n  position: relative;\n  top: 0.125rem;\n  width: 1rem;\n}\n\n.UnitFiles h2 a.UnitFiles-idLink,\n.UnitFiles summary a {\n  opacity: 0;\n}\n\n.UnitFiles h2:hover a,\n.UnitFiles summary:focus a {\n  opacity: 1;\n}\n\n.UnitFiles-title {\n  border-bottom: var(--border);\n  font-size: 1.375rem;\n  margin: 0.5rem 0 0;\n  padding-bottom: 1rem;\n}\n\n.UnitFiles-title img {\n  margin: auto 1rem auto 0;\n}\n\n.UnitFiles-fileList {\n  columns: 12.5rem 5;\n  line-height: 1.5rem;\n  list-style: none;\n  margin-top: 1rem;\n  padding-left: 0;\n  word-break: break-all;\n}\n", "/*!\n* Copyright 2019-2020 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n.UnitMeta {\n  display: grid;\n  gap: 1rem 2rem;\n  grid-template-columns: max-content auto;\n  white-space: nowrap;\n}\n\n.UnitMeta-details,\n.UnitMeta-links {\n  display: flex;\n  flex-flow: wrap;\n  flex-direction: row;\n  gap: 1rem 2rem;\n}\n\n.UnitMeta-repo {\n  align-items: center;\n  display: flex;\n  overflow: hidden;\n}\n\n.UnitMeta-repo a {\n  overflow: hidden;\n  text-overflow: ellipsis;\n}\n@media (min-width: 50rem) {\n  .UnitMeta {\n    grid-template-columns: max-content auto;\n  }\n\n  .UnitMeta-details,\n  .UnitMeta-links {\n    flex-direction: row;\n  }\n}\n@media (min-width: 112rem) {\n  :root[data-layout='responsive'] .UnitMeta {\n    grid-template-columns: 100%;\n  }\n\n  :root[data-layout='responsive'] .UnitMeta-details,\n  :root[data-layout='responsive'] .UnitMeta-links {\n    flex-direction: column;\n    white-space: nowrap;\n  }\n}\n\n.UnitMeta-detailsLearn {\n  width: 100%;\n}\n@media (min-width: 50rem) {\n  .UnitMeta-detailsLearn {\n    width: initial;\n  }\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.UnitOutline-jumpTo {\n  display: flex;\n  margin-bottom: 1rem;\n}\n\n.UnitOutline-jumpTo button {\n  align-items: center;\n  background-color: var(--color-background);\n  border: var(--border);\n  border-radius: 0.25rem;\n  color: var(--color-text-subtle);\n  cursor: pointer;\n  height: 2rem;\n  padding-left: 1rem;\n  text-align: left;\n  width: 100%;\n}\n\n.UnitOutline-jumpTo button:hover:not([disabled]) {\n  border-color: var(--color-border);\n}\n\n.UnitOutline-jumpToInput:disabled {\n  background-color: var(--gray-9);\n}\n", "/*!\n* Copyright 2019-2020 The Go Authors. All rights reserved.\n* Use of this source code is governed by a BSD-style\n* license that can be found in the LICENSE file.\n*/\n\n/* ---------- */\n/*\n/* The CSS classes below are generated using devtools/cmd/css/main.go\n/* If the generated CSS already exists, the file is overwritten\n/*\n/* ---------- */\n\n.Overview-readmeContent details {\n  display: block;\n}\n.Overview-readmeContent summary {\n  display: list-item;\n}\n.Overview-readmeContent a {\n  background-color: initial;\n}\n.Overview-readmeContent a:active,\n.Overview-readmeContent a:hover {\n  outline-width: 0;\n}\n.Overview-readmeContent strong {\n  font-weight: inherit;\n  font-weight: bolder;\n}\n.Overview-readmeContent h3 {\n  font-size: 2em;\n  margin: 0.67em 0;\n}\n.Overview-readmeContent img {\n  border-style: none;\n}\n.Overview-readmeContent code,\n.Overview-readmeContent kbd,\n.Overview-readmeContent pre {\n  font-family: monospace, monospace;\n  font-size: 1em;\n}\n.Overview-readmeContent hr {\n  box-sizing: initial;\n  height: 0;\n  overflow: visible;\n}\n.Overview-readmeContent input {\n  font: inherit;\n  margin: 0;\n}\n.Overview-readmeContent input {\n  overflow: visible;\n}\n.Overview-readmeContent [type='checkbox'] {\n  box-sizing: border-box;\n  padding: 0;\n}\n.Overview-readmeContent * {\n  box-sizing: border-box;\n}\n.Overview-readmeContent input {\n  font-family: inherit;\n  font-size: inherit;\n  line-height: inherit;\n}\n.Overview-readmeContent a {\n  color: var(--color-brand-primary);\n  text-decoration: none;\n}\n.Overview-readmeContent a:hover {\n  text-decoration: underline;\n}\n.Overview-readmeContent strong {\n  font-weight: 600;\n}\n.Overview-readmeContent hr {\n  height: 0;\n  margin: 0.9375rem 0;\n  overflow: hidden;\n  background: transparent;\n  border: 0;\n  border-bottom: var(--border);\n}\n.Overview-readmeContent hr:after,\n.Overview-readmeContent hr:before {\n  display: table;\n  content: '';\n}\n.Overview-readmeContent hr:after {\n  clear: both;\n}\n.Overview-readmeContent table {\n  border-spacing: 0;\n  border-collapse: collapse;\n}\n.Overview-readmeContent td,\n.Overview-readmeContent th {\n  padding: 0;\n}\n.Overview-readmeContent details summary {\n  cursor: pointer;\n}\n.Overview-readmeContent kbd {\n  display: inline-block;\n  padding: 0.1875rem 0.3125rem;\n  font: 0.6875rem SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;\n  line-height: 0.625rem;\n  color: #444d56;\n  vertical-align: middle;\n  background-color: var(--color-background-accented);\n  border: var(--border);\n  border-radius: 0.1875rem;\n  box-shadow: inset 0 -0.0625rem 0 var(--border);\n}\n.Overview-readmeContent h3,\n.Overview-readmeContent h4,\n.Overview-readmeContent h5,\n.Overview-readmeContent h6,\n.Overview-readmeContent div[aria-level='7'],\n.Overview-readmeContent div[aria-level='8'] {\n  margin-top: 0;\n  margin-bottom: 0;\n}\n.Overview-readmeContent h3 {\n  font-size: 2rem;\n}\n.Overview-readmeContent h3,\n.Overview-readmeContent h4 {\n  font-weight: 600;\n}\n.Overview-readmeContent h4 {\n  font-size: 1.5rem;\n}\n.Overview-readmeContent h5 {\n  font-size: 1.25rem;\n}\n.Overview-readmeContent h5,\n.Overview-readmeContent h6 {\n  font-weight: 600;\n}\n.Overview-readmeContent h6 {\n  font-size: 1rem;\n}\n.Overview-readmeContent div[aria-level='7'] {\n  font-size: 0.875rem;\n}\n.Overview-readmeContent div[aria-level='7'],\n.Overview-readmeContent div[aria-level='8'] {\n  font-weight: 600;\n}\n.Overview-readmeContent div[aria-level='8'] {\n  font-size: 0.75rem;\n}\n.Overview-readmeContent p {\n  margin-top: 0;\n  margin-bottom: 0.625rem;\n}\n.Overview-readmeContent blockquote {\n  margin: 0;\n}\n.Overview-readmeContent ol,\n.Overview-readmeContent ul {\n  padding-left: 0;\n  margin-top: 0;\n  margin-bottom: 0;\n}\n.Overview-readmeContent ol ol,\n.Overview-readmeContent ul ol {\n  list-style-type: lower-roman;\n}\n.Overview-readmeContent ol ol ol,\n.Overview-readmeContent ol ul ol,\n.Overview-readmeContent ul ol ol,\n.Overview-readmeContent ul ul ol {\n  list-style-type: lower-alpha;\n}\n.Overview-readmeContent dd {\n  margin-left: 0;\n}\n.Overview-readmeContent code,\n.Overview-readmeContent pre {\n  font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;\n  font-size: 0.75rem;\n}\n.Overview-readmeContent pre {\n  margin-top: 0;\n  margin-bottom: 0;\n}\n.Overview-readmeContent input::-webkit-inner-spin-button,\n.Overview-readmeContent input::-webkit-outer-spin-button {\n  margin: 0;\n  -webkit-appearance: none;\n  appearance: none;\n}\n.Overview-readmeContent :checked + .radio-label {\n  position: relative;\n  z-index: 1;\n  border-color: var(--color-brand-primary);\n}\n.Overview-readmeContent hr {\n  border-bottom-color: var(--color-border);\n}\n.Overview-readmeContent kbd {\n  display: inline-block;\n  padding: 0.1875rem 0.3125rem;\n  font: 0.6875rem SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;\n  line-height: 0.625rem;\n  color: #444d56;\n  vertical-align: middle;\n  background-color: var(--color-background-accented);\n  border: var(--border);\n  border-radius: 0.1875rem;\n  box-shadow: inset 0 -0.0625rem 0 var(--color-border);\n}\n.Overview-readmeContent a:not([href]) {\n  color: inherit;\n  text-decoration: none;\n}\n.Overview-readmeContent blockquote,\n.Overview-readmeContent details,\n.Overview-readmeContent dl,\n.Overview-readmeContent ol,\n.Overview-readmeContent p,\n.Overview-readmeContent pre,\n.Overview-readmeContent table,\n.Overview-readmeContent ul {\n  margin-top: 0;\n  margin-bottom: 1rem;\n}\n.Overview-readmeContent hr {\n  height: 0.25em;\n  padding: 0;\n  margin: 1.5rem 0;\n  background-color: var(--color-border);\n  border: 0;\n}\n.Overview-readmeContent blockquote {\n  padding: 0 1em;\n  color: var(--color-text-subtle);\n  border-left: 0.25em solid var(--color-border);\n}\n.Overview-readmeContent blockquote > :first-child {\n  margin-top: 0;\n}\n.Overview-readmeContent blockquote > :last-child {\n  margin-bottom: 0;\n}\n.Overview-readmeContent h3,\n.Overview-readmeContent h4,\n.Overview-readmeContent h5,\n.Overview-readmeContent h6,\n.Overview-readmeContent div[aria-level='7'],\n.Overview-readmeContent div[aria-level='8'] {\n  margin-top: 1.5rem;\n  margin-bottom: 1rem;\n  font-weight: 600;\n  line-height: 1.25;\n}\n.Overview-readmeContent h3 {\n  font-size: 2em;\n}\n.Overview-readmeContent h3,\n.Overview-readmeContent h4 {\n  padding-bottom: 0.3em;\n  border-bottom: var(--border);\n}\n.Overview-readmeContent h4 {\n  font-size: 1.5em;\n}\n.Overview-readmeContent h5 {\n  font-size: 1.25em;\n}\n.Overview-readmeContent h6 {\n  font-size: 1em;\n}\n.Overview-readmeContent div[aria-level='7'] {\n  font-size: 0.875em;\n}\n.Overview-readmeContent div[aria-level='8'] {\n  font-size: 0.85em;\n  color: var(--color-text-subtle);\n}\n.Overview-readmeContent ol,\n.Overview-readmeContent ul {\n  padding-left: 2em;\n}\n.Overview-readmeContent ol ol,\n.Overview-readmeContent ol ul,\n.Overview-readmeContent ul ol,\n.Overview-readmeContent ul ul {\n  margin-top: 0;\n  margin-bottom: 0;\n}\n.Overview-readmeContent li {\n  word-wrap: break-all;\n}\n.Overview-readmeContent li > p {\n  margin-top: 1rem;\n}\n.Overview-readmeContent li + li {\n  margin-top: 0.25em;\n}\n.Overview-readmeContent dl {\n  padding: 0;\n}\n.Overview-readmeContent dl dt {\n  padding: 0;\n  margin-top: 1rem;\n  font-size: 1em;\n  font-style: italic;\n  font-weight: 600;\n}\n.Overview-readmeContent dl dd {\n  padding: 0 1rem;\n  margin-bottom: 1rem;\n}\n.Overview-readmeContent table {\n  display: block;\n  width: 100%;\n  overflow: auto;\n}\n.Overview-readmeContent table th {\n  font-weight: 600;\n}\n.Overview-readmeContent table td,\n.Overview-readmeContent table th {\n  padding: 0.375rem 0.8125rem;\n  border: var(--border);\n}\n.Overview-readmeContent table tr {\n  background-color: var(--color-background);\n  border-top: var(--border);\n}\n.Overview-readmeContent table tr:nth-child(2n) {\n  background-color: var(--color-background-accented);\n}\n.Overview-readmeContent img {\n  max-width: 100%;\n  box-sizing: initial;\n  background-color: var(--color-background);\n}\n.Overview-readmeContent img[align='right'] {\n  padding-left: 1.25rem;\n}\n.Overview-readmeContent img[align='left'] {\n  padding-right: 1.25rem;\n}\n.Overview-readmeContent code {\n  padding: 0.2em 0.4em;\n  margin: 0;\n  font-size: 85%;\n  background-color: var(--color-background-accented);\n  border-radius: 0.1875rem;\n}\n.Overview-readmeContent pre {\n  word-wrap: normal;\n}\n.Overview-readmeContent pre > code {\n  padding: 0;\n  margin: 0;\n  font-size: 100%;\n  word-break: normal;\n  white-space: pre;\n  background: transparent;\n  border: 0;\n}\n.Overview-readmeContent pre {\n  padding: 1rem;\n  overflow: auto;\n  font-size: 85%;\n  line-height: 1.45;\n  background-color: var(--color-background-accented);\n  border-radius: 0.1875rem;\n}\n.Overview-readmeContent pre code {\n  display: inline;\n  max-width: auto;\n  padding: 0;\n  margin: 0;\n  overflow: visible;\n  line-height: inherit;\n  word-wrap: normal;\n  background-color: initial;\n  border: 0;\n}\n\n/* ---------- */\n/*\n/* End output from devtools/cmd/css/main.go\n/*\n/* ---------- */\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.UnitReadme {\n  margin-bottom: 2rem;\n}\n\n.UnitReadme ul,\n.UnitReadme ol {\n  list-style: circle;\n}\n\n.UnitReadme h2 a.UnitReadme-idLink,\n.UnitReadme summary a {\n  opacity: 0;\n}\n\n.UnitReadme h2:hover a,\n.UnitReadme summary:focus a {\n  opacity: 1;\n}\n\n.UnitReadme-title {\n  border-bottom: var(--border);\n  font-size: 1.375rem;\n  padding-bottom: 1rem;\n}\n\n.UnitReadme-title img {\n  margin: auto 1rem auto 0;\n}\n\n.UnitReadme-content {\n  /* stylelint-disable-next-line property-no-vendor-prefix */\n  -webkit-mask-image: linear-gradient(to bottom, black 75%, transparent 100%);\n  mask-image: linear-gradient(to bottom, black 75%, transparent 100%);\n  max-height: 20rem;\n  overflow: hidden;\n  position: relative;\n}\n\n.UnitReadme-content ul {\n  line-height: 1.5rem;\n}\n\n.UnitReadme-expandLink {\n  background: none;\n  border: none;\n  color: var(--color-brand-primary);\n  cursor: pointer;\n  padding: 0;\n}\n\n.UnitReadme-collapseLink {\n  background: none;\n  border: none;\n  color: var(--color-brand-primary);\n  cursor: pointer;\n  display: none;\n  padding: 0;\n}\n\n.UnitReadme--expanded .UnitReadme-content {\n  /* stylelint-disable-next-line property-no-vendor-prefix */\n  -webkit-mask-image: none;\n  mask-image: none;\n  max-height: initial;\n  overflow: initial;\n}\n\n.UnitReadme--toggle .UnitReadme-expandLink {\n  display: block;\n}\n\n.UnitReadme--expanded .UnitReadme-expandLink {\n  display: none;\n}\n\n.UnitReadme--expanded.UnitReadme--toggle .UnitReadme-collapseLink {\n  display: block;\n}\n\n.Overview-readmeContent {\n  overflow-wrap: break-word;\n}\n", "/*!\n * Copyright 2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('./_build-context.css');\n@import url('./_directories.css');\n@import url('./_doc.css');\n@import url('./_files.css');\n@import url('./_meta.css');\n@import url('./_outline.css');\n@import url('./_readme_gen.css');\n@import url('./_readme.css');\n\n.UnitDetails {\n  column-gap: 2rem;\n  display: grid;\n  grid-template-columns: minmax(0, auto);\n  margin: auto;\n  min-height: 32rem;\n}\n@media only screen and (min-width: 64rem) {\n  .UnitDetails {\n    grid-template-columns: 15.5rem minmax(30.5rem, 43.125rem) minmax(10rem, 15.5rem);\n  }\n}\n@media only screen and (min-width: 80rem) {\n  .UnitDetails {\n    grid-template-columns: 15.5rem minmax(43.125rem, 60rem) 15.5rem;\n    justify-content: center;\n  }\n}\n\n.UnitDetails :target {\n  scroll-margin-top: calc(var(--js-sticky-header-height, 3.5rem) * 2.15);\n}\n@media only screen and (min-width: 64rem) {\n  .UnitDetails :target {\n    scroll-margin-top: calc(var(--js-sticky-header-height, 3.5rem) * 1.25);\n  }\n}\n\n.UnitDetails :target:not(details, h2) {\n  background-color: var(--color-background-highlighted);\n  padding: 0.25rem;\n}\n\n.UnitDetails-meta {\n  order: -1;\n}\n@media only screen and (min-width: 64rem) {\n  .UnitDetails-meta {\n    display: block;\n    margin-top: 2rem;\n    order: initial;\n  }\n}\n\n.UnitDetails-contentEmpty {\n  align-items: center;\n  background-color: var(--color-background-accented);\n  color: var(--color-text-subtle);\n  display: flex;\n  flex-direction: column;\n  height: 15rem;\n  padding-top: 1rem;\n  text-align: center;\n}\n\n.UnitDetails-contentEmpty img {\n  height: 7.8125rem;\n  width: auto;\n}\n"],
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 }
diff --git a/static/frontend/unit/unit.js b/static/frontend/unit/unit.js
index 8f7ee152..45021ff 100644
--- a/static/frontend/unit/unit.js
+++ b/static/frontend/unit/unit.js
@@ -1,4 +1,4 @@
-var n=class{constructor(t,e,d){this.mainHeader=t;this.mainNav=e;this.mainAside=d;this.handleDoubleClick=t=>{t.target===this.mainHeader?.lastElementChild&&(window.getSelection()?.removeAllRanges(),window.scrollTo({top:0,behavior:"smooth"}))};this.handleResize=()=>{let t=(e,d)=>document.documentElement.style.setProperty(e,d);t("--js-unit-header-height","0"),setTimeout(()=>{let e=(this.mainHeader?.getBoundingClientRect().height??0)/16;t("--js-unit-header-height",`${e}rem`),t("--js-sticky-header-height",`${3.5}rem`),t("--js-unit-header-top",`${(e-3.5)*-1}rem`)})};this.headerObserver=new IntersectionObserver(([i])=>{if(i.intersectionRatio<1)for(let r of document.querySelectorAll('[class^="go-Main-header"'))r.setAttribute("data-fixed","true");else{for(let r of document.querySelectorAll('[class^="go-Main-header"'))r.removeAttribute("data-fixed");this.handleResize()}},{threshold:1,rootMargin:`${3.5*16}px`}),this.navObserver=new IntersectionObserver(([i])=>{i.intersectionRatio<1?(this.mainNav?.classList.add("go-Main-nav--fixed"),this.mainNav?.setAttribute("data-fixed","true")):(this.mainNav?.classList.remove("go-Main-nav--fixed"),this.mainNav?.removeAttribute("data-fixed"))},{threshold:1,rootMargin:`-${3.5*16+10}px`}),this.asideObserver=new IntersectionObserver(([i])=>{i.intersectionRatio<1?this.mainHeader?.setAttribute("data-raised","true"):this.mainHeader?.removeAttribute("data-raised")},{threshold:1,rootMargin:`-${3.5*16+20}px 0px 0px 0px`}),this.init()}init(){this.handleResize(),window.addEventListener("resize",this.handleResize),this.mainHeader?.addEventListener("dblclick",this.handleDoubleClick);let t=document.querySelector(".js-siteHeader");if(this.mainHeader?.hasChildNodes()&&t){let e=document.createElement("div");t.prepend(e),this.headerObserver.observe(e)}if(this.mainNav?.hasChildNodes()){let e=document.createElement("div");this.mainNav.prepend(e),this.navObserver.observe(e)}if(this.mainAside){let e=document.createElement("div");this.mainAside.prepend(e),this.asideObserver.observe(e)}}},s=a=>document.querySelector(a);new n(s(".js-mainHeader"),s(".js-mainNav"),s(".js-mainAside"));export{n as MainLayoutController};
+var d=class{constructor(r,s,i){this.mainHeader=r;this.mainNav=s;this.mainAside=i;this.handleDoubleClick=r=>{var i,t;r.target===((i=this.mainHeader)==null?void 0:i.lastElementChild)&&((t=window.getSelection())==null||t.removeAllRanges(),window.scrollTo({top:0,behavior:"smooth"}))};this.handleResize=()=>{let r=(s,i)=>document.documentElement.style.setProperty(s,i);r("--js-unit-header-height","0"),setTimeout(()=>{var i,t;let s=((t=(i=this.mainHeader)==null?void 0:i.getBoundingClientRect().height)!=null?t:0)/16;r("--js-unit-header-height",`${s}rem`),r("--js-sticky-header-height",`${3.5}rem`),r("--js-unit-header-top",`${(s-3.5)*-1}rem`)})};this.headerObserver=new IntersectionObserver(([t])=>{if(t.intersectionRatio<1)for(let e of document.querySelectorAll('[class^="go-Main-header"'))e.setAttribute("data-fixed","true");else{for(let e of document.querySelectorAll('[class^="go-Main-header"'))e.removeAttribute("data-fixed");this.handleResize()}},{threshold:1,rootMargin:`${3.5*16}px`}),this.navObserver=new IntersectionObserver(([t])=>{var e,n,h,l;t.intersectionRatio<1?((e=this.mainNav)==null||e.classList.add("go-Main-nav--fixed"),(n=this.mainNav)==null||n.setAttribute("data-fixed","true")):((h=this.mainNav)==null||h.classList.remove("go-Main-nav--fixed"),(l=this.mainNav)==null||l.removeAttribute("data-fixed"))},{threshold:1,rootMargin:`-${3.5*16+10}px`}),this.asideObserver=new IntersectionObserver(([t])=>{var e,n;t.intersectionRatio<1?(e=this.mainHeader)==null||e.setAttribute("data-raised","true"):(n=this.mainHeader)==null||n.removeAttribute("data-raised")},{threshold:1,rootMargin:`-${3.5*16+20}px 0px 0px 0px`}),this.init()}init(){var s,i,t;this.handleResize(),window.addEventListener("resize",this.handleResize),(s=this.mainHeader)==null||s.addEventListener("dblclick",this.handleDoubleClick);let r=document.querySelector(".js-siteHeader");if((i=this.mainHeader)!=null&&i.hasChildNodes()&&r){let e=document.createElement("div");r.prepend(e),this.headerObserver.observe(e)}if((t=this.mainNav)!=null&&t.hasChildNodes()){let e=document.createElement("div");this.mainNav.prepend(e),this.navObserver.observe(e)}if(this.mainAside){let e=document.createElement("div");this.mainAside.prepend(e),this.asideObserver.observe(e)}}},a=o=>document.querySelector(o);new d(a(".js-mainHeader"),a(".js-mainNav"),a(".js-mainAside"));export{d as MainLayoutController};
 /**
  * @license
  * Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/unit/unit.js.map b/static/frontend/unit/unit.js.map
index 7af29e5..a9d7c76 100644
--- a/static/frontend/unit/unit.js.map
+++ b/static/frontend/unit/unit.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["unit.ts"],
   "sourcesContent": ["/**\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nconst headerHeight = 3.5;\n\n/**\n * MainLayoutController calculates dynamic height values for header elements\n * to support variable size sticky positioned elements in the header so that\n * banners and breadcumbs may overflow to multiple lines.\n */\nexport class MainLayoutController {\n  private headerObserver: IntersectionObserver;\n  private navObserver: IntersectionObserver;\n  private asideObserver: IntersectionObserver;\n\n  constructor(\n    private mainHeader?: Element | null,\n    private mainNav?: Element | null,\n    private mainAside?: Element | null\n  ) {\n    this.headerObserver = new IntersectionObserver(\n      ([e]) => {\n        if (e.intersectionRatio < 1) {\n          for (const x of document.querySelectorAll('[class^=\"go-Main-header\"')) {\n            x.setAttribute('data-fixed', 'true');\n          }\n        } else {\n          for (const x of document.querySelectorAll('[class^=\"go-Main-header\"')) {\n            x.removeAttribute('data-fixed');\n          }\n          this.handleResize();\n        }\n      },\n      { threshold: 1, rootMargin: `${headerHeight * 16}px` }\n    );\n    this.navObserver = new IntersectionObserver(\n      ([e]) => {\n        if (e.intersectionRatio < 1) {\n          this.mainNav?.classList.add('go-Main-nav--fixed');\n          this.mainNav?.setAttribute('data-fixed', 'true');\n        } else {\n          this.mainNav?.classList.remove('go-Main-nav--fixed');\n          this.mainNav?.removeAttribute('data-fixed');\n        }\n      },\n      { threshold: 1, rootMargin: `-${headerHeight * 16 + 10}px` }\n    );\n    this.asideObserver = new IntersectionObserver(\n      ([e]) => {\n        if (e.intersectionRatio < 1) {\n          this.mainHeader?.setAttribute('data-raised', 'true');\n        } else {\n          this.mainHeader?.removeAttribute('data-raised');\n        }\n      },\n      { threshold: 1, rootMargin: `-${headerHeight * 16 + 20}px 0px 0px 0px` }\n    );\n    this.init();\n  }\n\n  private init() {\n    this.handleResize();\n    window.addEventListener('resize', this.handleResize);\n    this.mainHeader?.addEventListener('dblclick', this.handleDoubleClick);\n    const siteHeader = document.querySelector('.js-siteHeader');\n    if (this.mainHeader?.hasChildNodes() && siteHeader) {\n      const headerSentinel = document.createElement('div');\n      siteHeader.prepend(headerSentinel);\n      this.headerObserver.observe(headerSentinel);\n    }\n    if (this.mainNav?.hasChildNodes()) {\n      const navSentinel = document.createElement('div');\n      this.mainNav.prepend(navSentinel);\n      this.navObserver.observe(navSentinel);\n    }\n    if (this.mainAside) {\n      const asideSentinel = document.createElement('div');\n      this.mainAside.prepend(asideSentinel);\n      this.asideObserver.observe(asideSentinel);\n    }\n  }\n\n  private handleDoubleClick: EventListener = e => {\n    const target = e.target;\n    if (target === this.mainHeader?.lastElementChild) {\n      window.getSelection()?.removeAllRanges();\n      window.scrollTo({ top: 0, behavior: 'smooth' });\n    }\n  };\n\n  private handleResize = () => {\n    const setProp = (name: string, value: string) =>\n      document.documentElement.style.setProperty(name, value);\n    setProp('--js-unit-header-height', '0');\n    setTimeout(() => {\n      const mainHeaderHeight = (this.mainHeader?.getBoundingClientRect().height ?? 0) / 16;\n      setProp('--js-unit-header-height', `${mainHeaderHeight}rem`);\n      setProp('--js-sticky-header-height', `${headerHeight}rem`);\n      setProp('--js-unit-header-top', `${(mainHeaderHeight - headerHeight) * -1}rem`);\n    });\n  };\n}\n\nconst el = <T extends HTMLElement>(selector: string) => document.querySelector<T>(selector);\nnew MainLayoutController(el('.js-mainHeader'), el('.js-mainNav'), el('.js-mainAside'));\n"],
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+  "names": ["MainLayoutController", "mainHeader", "mainNav", "mainAside", "e", "_a", "_b", "setProp", "name", "value", "mainHeaderHeight", "x", "_c", "_d", "siteHeader", "headerSentinel", "navSentinel", "asideSentinel", "el", "selector"]
 }
diff --git a/static/frontend/unit/unit.min.css b/static/frontend/unit/unit.min.css
index 42df51c..04c6d82 100644
--- a/static/frontend/unit/unit.min.css
+++ b/static/frontend/unit/unit.min.css
@@ -3,7 +3,7 @@
  * Use of this source code is governed by a BSD-style
  * license that can be found in the LICENSE file.
  */
-.UnitHeader-titleHeading{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.UnitHeader-overflowContainer{display:none;height:1.5rem;position:absolute;right:0;width:1.5rem}.go-Main-header[data-fixed] .UnitHeader-overflowContainer{display:block}@media screen and (min-width: 80rem){.go-Main-header[data-fixed] .UnitHeader-overflowContainer{display:none}}.UnitHeader-overflowImage{fill:var(--gray-3);height:100%;left:0;position:absolute;top:0;width:100%}.UnitHeader-overflowSelect{appearance:none;background:transparent;border:0;color:transparent;cursor:pointer;font-size:1rem;height:100%;left:0;position:absolute;top:0;width:100%}.UnitHeader-overflowSelect option{color:var(--color-text)}.UnitHeader-versionBadge,.DetailsHeader-badge{border-radius:unset;color:var(--color-text-inverted);font-size:.7rem;line-height:.85rem;margin:-1rem 0 -1rem .5rem;padding:.25rem .5rem;text-transform:uppercase;top:-.0625rem}.UnitHeader-versionBadge--unknown,.DetailsHeader-badge--unknown{display:none}a.UnitHeader-backLink{color:var(--color-text);display:block;font-size:1rem;position:absolute;right:.625rem;top:1.25rem}.UnitHeader-backLink img{vertical-align:middle}.DetailsHeader-badge--notAtLatest a,.DetailsHeader-badge--notAtLatest span.DetailsHeader-span--latest{display:none}.DetailsHeader-badge--notAtLatest .UnitMetaDetails-icon{z-index:1}.DetailsHeader-badge--notAtLatest .UnitMetaDetails-toggletipBubble{color:var(--black);text-transform:none}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip{height:0}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip button{height:.8125rem;line-height:0}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip img{vertical-align:middle}.DetailsHeader-badge--goToLatest span{display:none}.DetailsHeader-badge--goToLatest span.DetailsHeader-span--goToLatest{display:initial}.DetailsHeader-badge--unknown a,.DetailsHeader-badge--unknown span{display:none}.DetailsHeader-badge{border-radius:1rem;display:inline-block;font-size:.75rem;padding:.25rem .75rem;position:relative;top:-.125rem}.DetailsHeader-badge--latest a{display:none}.DetailsHeader-badge--goToLatest a:hover{text-decoration:none}.DetailsHeader-badge--latest span.DetailsHeader-span--notAtLatest{display:none}.DetailsHeader-badge--goToLatest,.DetailsHeader-badge--latest,.DetailsHeader-badge--notAtLatest{margin-left:.25rem}.go-Main{background-color:var(--color-background);color:var(--color-text);display:grid;flex-grow:1;grid-template:repeat(6,min-content) / 100%;grid-template-areas:"banner" "header" "aside" "nav" "article" "footer";min-height:32rem}.go-Main-banner{grid-area:banner;padding:1rem var(--gutter) 0 var(--gutter)}.go-Main-header{background-color:var(--color-background);border-bottom:var(--border);font-size:.875rem;grid-area:header;min-height:var(--js-unit-header-height);padding:0 var(--gutter);transition:box-shadow .25s linear;z-index:10}.go-Main-header[data-fixed]{border-bottom:none;position:sticky;top:var(--js-unit-header-top, 0)}.go-Main-header[data-raised]{border-bottom:var(--border)}.go-Main-nav{background-color:var(--color-background);border-bottom:var(--border);font-size:.875rem;grid-area:nav;padding:0 var(--gutter)}.go-Main-article{background-color:var(--color-background);grid-area:article;margin:var(--gap) 0 5rem 0;min-height:32rem;padding:0 var(--gutter)}.go-Main-aside{background-color:var(--color-background-accented);border-bottom:var(--border);font-size:.875rem;grid-area:aside;padding:1rem var(--gutter)}.go-Main-aside--empty{border-bottom:none;padding:0}.go-Main-footer{background-color:var(--color-background);grid-area:footer;padding:0 var(--gutter)}.go-Main>*:empty{border:none;margin:0;padding:0}.go-Main-headerBreadcrumb{margin-top:1rem}.go-Main-headerContent{margin-bottom:1rem;position:sticky;top:0}.go-Main-headerContent[data-fixed]{align-items:center;display:flex;margin-bottom:0;min-height:0}@media screen and (min-width: 80rem){.go-Main-headerContent[data-fixed]{justify-content:space-between}}.go-Main-headerTitle{align-items:center;display:flex;gap:.5rem;height:3.5rem;max-width:100%;padding-right:1.5rem}@media screen and (min-width: 80rem){.go-Main-headerTitle[data-fixed]{max-width:40%}}.go-Main-headerTitle .go-Clipboard{display:none}.go-Main-headerTitle[data-fixed] .go-Clipboard{display:initial}.go-Main-headerLogo{--logo-height: 1.75rem;--logo-width: calc(var(--logo-height) / .3768);align-items:center;display:flex;margin-right:-.5rem;opacity:0;transition:opacity .25s ease-in-out,width .25s ease-out;visibility:hidden;width:0}.go-Main-headerLogo img{height:var(--logo-height);margin:-1rem 0;width:var(--logo-width)}.go-Main-headerLogo[data-fixed]{margin-right:0;opacity:1;visibility:visible;width:var(--logo-width)}.go-Main-headerDetails{display:flex;flex-flow:row wrap;gap:0 1rem;white-space:nowrap}.go-Main-headerDetails[data-fixed]{display:none}@media screen and (min-width: 80rem){:root:not([data-layout=compact]) .go-Main-headerDetails[data-fixed]{display:flex}}.go-Main-headerDetailItem{color:var(--color-text-subtle);display:inline;font-size:.875rem;height:1.75rem;line-height:1.75rem}.go-Main-headerDetailItem:not(:last-of-type):after{content:"|";padding-left:1rem}.go-Main-nav--sticky{position:sticky;top:var(--js-sticky-header-height, 3.5rem);transition:box-shadow .25s linear;z-index:1}.go-Main-nav--fixed{border-top:initial}.go-Main-navDesktop{display:none;margin-top:var(--gap);overflow-y:auto;padding:.25rem;position:sticky;top:calc(var(--js-sticky-header-height, 3.5rem) + 1rem)}.go-Main-navMobile{display:flex;margin:.5rem 0}.go-Main-navMobile .go-Label{flex-grow:1;position:relative}.go-Main-navMobile .go-Select{padding-left:1.75rem;width:100%}.go-Main-navMobile .go-Label:before{background:url(/static/shared/icon/list_gm_grey_24dp.svg);background-repeat:no-repeat;background-size:contain;content:" ";height:1.25rem;left:.5rem;padding-left:1rem;position:absolute;top:.375rem;width:1.25rem}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Main-navMobile .go-Select{appearance:none}}}@media screen and (min-width: 80rem){:root[data-layout=responsive] .go-Main{grid-template:repeat(5,min-content) / 21.5% minmax(0,auto);grid-template-areas:"banner  banner" "header  header" "aside   aside" "nav     article" "footer  footer"}:root[data-layout=responsive] .go-Main-nav{border-bottom:none;border-top:none;padding:0 0 0 var(--gutter)}:root[data-layout=responsive] .go-Main-article{border-bottom:none;border-top:none;margin:var(--gap) 0 5rem var(--gap);padding:0 var(--gutter) 0 0}:root[data-layout=responsive] .go-Main-aside{border-bottom:var(--border)}:root[data-layout=responsive] .go-Main-nav--sticky{position:initial}:root[data-layout=responsive] .go-Main-nav--fixed{box-shadow:none}:root[data-layout=responsive] .go-Main-navDesktop{display:block}:root[data-layout=responsive] .go-Main-navMobile{display:none}}@media screen and (min-width: 112rem){:root[data-layout=responsive] .go-Main{grid-template:repeat(4,min-content) / minmax(17.5%,1fr) minmax(0,4fr) minmax(17.5%,1fr);grid-template-areas:"banner banner  banner" "header header  header" "nav    article aside" "footer footer  footer"}:root[data-layout=responsive] .go-Main-article{margin:var(--gap) var(--gap) 5rem;padding:0}:root[data-layout=responsive] .go-Main-aside{background-color:var(--color-background);border-bottom:none;margin:var(--gap) 0 0 0;padding:0 var(--gutter) 0 0}}@media screen and (min-width: 80rem){:root[data-layout=compact] .go-Main{grid-template:repeat(6,min-content) / 1fr auto;grid-template-areas:"banner  banner" "header  ." "header  nav" "aside   aside" "article article" "footer  footer"}:root[data-layout=compact] .go-Main-nav{align-items:center;border-bottom:var(--border);display:flex;top:calc((var(--js-main-header-height, 0) - var(--js-sticky-header-height, 3.5rem)) * -1)}:root[data-layout=compact] .go-Main-header[data-fixed]{box-shadow:none}:root[data-layout=compact] .go-Main-nav--sticky{height:var(--js-sticky-header-height, 3.5rem);position:sticky;top:0}:root[data-layout=compact] .go-Main-nav--fixed{box-shadow:none}:root[data-layout=compact] .go-Main-navDesktop{display:none}:root[data-layout=compact] .go-Main-navMobile{display:flex}}@media print{.go-Main-header--sticky,.go-Main-header--sticky>:last-child,.go-Main-nav--sticky,.go-Main-navDesktop{position:initial}}
+.UnitHeader-titleHeading{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.UnitHeader-overflowContainer{display:none;height:1.5rem;position:absolute;right:0;width:1.5rem}.go-Main-header[data-fixed] .UnitHeader-overflowContainer{display:block}@media screen and (min-width: 80rem){.go-Main-header[data-fixed] .UnitHeader-overflowContainer{display:none}}.UnitHeader-overflowImage{fill:var(--gray-3);height:100%;left:0;position:absolute;top:0;width:100%}.UnitHeader-overflowSelect{appearance:none;background:transparent;border:0;color:transparent;cursor:pointer;font-size:1rem;height:100%;left:0;position:absolute;top:0;width:100%}.UnitHeader-overflowSelect option{color:var(--color-text)}.UnitHeader-versionBadge,.DetailsHeader-badge{border-radius:unset;color:var(--color-text-inverted);font-size:.7rem;line-height:.85rem;margin:-1rem 0 -1rem .5rem;padding:.25rem .5rem;text-transform:uppercase;top:-.0625rem}.UnitHeader-versionBadge--unknown,.DetailsHeader-badge--unknown{display:none}a.UnitHeader-backLink{color:var(--color-text);display:block;font-size:1rem;position:absolute;right:.625rem;top:1.25rem}.UnitHeader-backLink img{vertical-align:middle}.DetailsHeader-badge--notAtLatest a,.DetailsHeader-badge--notAtLatest span.DetailsHeader-span--latest{display:none}.DetailsHeader-badge--notAtLatest .UnitMetaDetails-icon{z-index:1}.DetailsHeader-badge--notAtLatest .UnitMetaDetails-toggletipBubble{color:var(--black);text-transform:none}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip{height:0}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip button{height:.8125rem;line-height:0}.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip img{vertical-align:middle}.DetailsHeader-badge--goToLatest span{display:none}.DetailsHeader-badge--goToLatest span.DetailsHeader-span--goToLatest{display:initial}.DetailsHeader-badge--unknown a,.DetailsHeader-badge--unknown span{display:none}.DetailsHeader-badge{border-radius:1rem;display:inline-block;font-size:.75rem;padding:.25rem .75rem;position:relative;top:-.125rem}.DetailsHeader-badge--latest a{display:none}.DetailsHeader-badge--goToLatest a:hover{text-decoration:none}.DetailsHeader-badge--latest span.DetailsHeader-span--notAtLatest{display:none}.DetailsHeader-badge--goToLatest,.DetailsHeader-badge--latest,.DetailsHeader-badge--notAtLatest{margin-left:.25rem}.go-Main{background-color:var(--color-background);color:var(--color-text);display:grid;flex-grow:1;grid-template:repeat(6,min-content) / 100%;grid-template-areas:"banner" "header" "aside" "nav" "article" "footer";min-height:32rem}.go-Main-banner{grid-area:banner;padding:1rem var(--gutter) 0 var(--gutter)}.go-Main-header{background-color:var(--color-background);border-bottom:var(--border);font-size:.875rem;grid-area:header;min-height:var(--js-unit-header-height);padding:0 var(--gutter);transition:box-shadow .25s linear;z-index:10}.go-Main-header[data-fixed]{border-bottom:none;position:sticky;top:var(--js-unit-header-top, 0)}.go-Main-header[data-raised]{border-bottom:var(--border)}.go-Main-nav{background-color:var(--color-background);border-bottom:var(--border);font-size:.875rem;grid-area:nav;padding:0 var(--gutter)}.go-Main-article{background-color:var(--color-background);grid-area:article;margin:var(--gap) 0 5rem 0;min-height:32rem;padding:0 var(--gutter)}.go-Main-aside{background-color:var(--color-background-accented);border-bottom:var(--border);font-size:.875rem;grid-area:aside;padding:1rem var(--gutter)}.go-Main-aside--empty{border-bottom:none;padding:0}.go-Main-footer{background-color:var(--color-background);grid-area:footer;padding:0 var(--gutter)}.go-Main>*:empty{border:none;margin:0;padding:0}.go-Main-headerBreadcrumb{margin-top:1rem}.go-Main-headerContent{margin-bottom:1rem;position:sticky;top:0}.go-Main-headerContent[data-fixed]{align-items:center;display:flex;margin-bottom:0;min-height:0}@media screen and (min-width: 80rem){.go-Main-headerContent[data-fixed]{justify-content:space-between}}.go-Main-headerTitle{align-items:center;display:flex;gap:.5rem;height:3.5rem;max-width:100%;padding-right:1.5rem}@media screen and (min-width: 80rem){.go-Main-headerTitle[data-fixed]{max-width:40%}}.go-Main-headerTitle .go-Clipboard{display:none}.go-Main-headerTitle[data-fixed] .go-Clipboard{display:initial}.go-Main-headerLogo{--logo-height: 1.75rem;--logo-width: calc(var(--logo-height) / .3768);align-items:center;display:flex;margin-right:-.5rem;opacity:0;transition:opacity .25s ease-in-out,width .25s ease-out;visibility:hidden;width:0}.go-Main-headerLogo img{height:var(--logo-height);margin:-1rem 0;width:var(--logo-width)}.go-Main-headerLogo[data-fixed]{margin-right:0;opacity:1;visibility:visible;width:var(--logo-width)}.go-Main-headerDetails{display:flex;flex-flow:row wrap;gap:0 1rem;white-space:nowrap}.go-Main-headerDetails[data-fixed]{display:none}@media screen and (min-width: 80rem){:root:not([data-layout="compact"]) .go-Main-headerDetails[data-fixed]{display:flex}}.go-Main-headerDetailItem{color:var(--color-text-subtle);display:inline;font-size:.875rem;height:1.75rem;line-height:1.75rem}.go-Main-headerDetailItem:not(:last-of-type):after{content:"|";padding-left:1rem}.go-Main-nav--sticky{position:sticky;top:var(--js-sticky-header-height, 3.5rem);transition:box-shadow .25s linear;z-index:1}.go-Main-nav--fixed{border-top:initial}.go-Main-navDesktop{display:none;margin-top:var(--gap);overflow-y:auto;padding:.25rem;position:sticky;top:calc(var(--js-sticky-header-height, 3.5rem) + 1rem)}.go-Main-navMobile{display:flex;margin:.5rem 0}.go-Main-navMobile .go-Label{flex-grow:1;position:relative}.go-Main-navMobile .go-Select{padding-left:1.75rem;width:100%}.go-Main-navMobile .go-Label:before{background:url(/static/shared/icon/list_gm_grey_24dp.svg);background-repeat:no-repeat;background-size:contain;content:" ";height:1.25rem;left:.5rem;padding-left:1rem;position:absolute;top:.375rem;width:1.25rem}@media not all and (min-resolution: .001dpcm){@supports (-webkit-appearance: none){.go-Main-navMobile .go-Select{appearance:none}}}@media screen and (min-width: 80rem){:root[data-layout=responsive] .go-Main{grid-template:repeat(5,min-content) / 21.5% minmax(0,auto);grid-template-areas:"banner  banner" "header  header" "aside   aside" "nav     article" "footer  footer"}:root[data-layout=responsive] .go-Main-nav{border-bottom:none;border-top:none;padding:0 0 0 var(--gutter)}:root[data-layout=responsive] .go-Main-article{border-bottom:none;border-top:none;margin:var(--gap) 0 5rem var(--gap);padding:0 var(--gutter) 0 0}:root[data-layout=responsive] .go-Main-aside{border-bottom:var(--border)}:root[data-layout=responsive] .go-Main-nav--sticky{position:initial}:root[data-layout=responsive] .go-Main-nav--fixed{box-shadow:none}:root[data-layout=responsive] .go-Main-navDesktop{display:block}:root[data-layout=responsive] .go-Main-navMobile{display:none}}@media screen and (min-width: 112rem){:root[data-layout=responsive] .go-Main{grid-template:repeat(4,min-content) / minmax(17.5%,1fr) minmax(0,4fr) minmax(17.5%,1fr);grid-template-areas:"banner banner  banner" "header header  header" "nav    article aside" "footer footer  footer"}:root[data-layout=responsive] .go-Main-article{margin:var(--gap) var(--gap) 5rem;padding:0}:root[data-layout=responsive] .go-Main-aside{background-color:var(--color-background);border-bottom:none;margin:var(--gap) 0 0 0;padding:0 var(--gutter) 0 0}}@media screen and (min-width: 80rem){:root[data-layout=compact] .go-Main{grid-template:repeat(6,min-content) / 1fr auto;grid-template-areas:"banner  banner" "header  ." "header  nav" "aside   aside" "article article" "footer  footer"}:root[data-layout=compact] .go-Main-nav{align-items:center;border-bottom:var(--border);display:flex;top:calc((var(--js-main-header-height, 0) - var(--js-sticky-header-height, 3.5rem)) * -1)}:root[data-layout=compact] .go-Main-header[data-fixed]{box-shadow:none}:root[data-layout=compact] .go-Main-nav--sticky{height:var(--js-sticky-header-height, 3.5rem);position:sticky;top:0}:root[data-layout=compact] .go-Main-nav--fixed{box-shadow:none}:root[data-layout=compact] .go-Main-navDesktop{display:none}:root[data-layout=compact] .go-Main-navMobile{display:flex}}@media print{.go-Main-header--sticky,.go-Main-header--sticky>:last-child,.go-Main-nav--sticky,.go-Main-navDesktop{position:initial}}
 /*!
  * Copyright 2020-2021 The Go Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style
diff --git a/static/frontend/unit/unit.min.css.map b/static/frontend/unit/unit.min.css.map
index 7386430..7ded9dc 100644
--- a/static/frontend/unit/unit.min.css.map
+++ b/static/frontend/unit/unit.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["_header.css", "unit.css"],
   "sourcesContent": ["/*!\n * Copyright 2020-2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.UnitHeader-titleHeading {\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n}\n\n.UnitHeader-overflowContainer {\n  display: none;\n  height: 1.5rem;\n  position: absolute;\n  right: 0;\n  width: 1.5rem;\n}\n\n.go-Main-header[data-fixed] .UnitHeader-overflowContainer {\n  display: block;\n}\n@media screen and (min-width: 80rem) {\n  .go-Main-header[data-fixed] .UnitHeader-overflowContainer {\n    display: none;\n  }\n}\n\n.UnitHeader-overflowImage {\n  fill: var(--gray-3);\n  height: 100%;\n  left: 0;\n  position: absolute;\n  top: 0;\n  width: 100%;\n}\n\n.UnitHeader-overflowSelect {\n  appearance: none;\n  background: transparent;\n  border: 0;\n  color: transparent;\n  cursor: pointer;\n  font-size: 1rem;\n  height: 100%;\n  left: 0;\n  position: absolute;\n  top: 0;\n  width: 100%;\n}\n\n.UnitHeader-overflowSelect option {\n  color: var(--color-text);\n}\n\n.UnitHeader-versionBadge,\n.DetailsHeader-badge {\n  border-radius: unset;\n  color: var(--color-text-inverted);\n  font-size: 0.7rem;\n  line-height: 0.85rem;\n  margin: -1rem 0 -1rem 0.5rem;\n  padding: 0.25rem 0.5rem;\n  text-transform: uppercase;\n  top: -0.0625rem;\n}\n\n.UnitHeader-versionBadge--unknown,\n.DetailsHeader-badge--unknown {\n  display: none;\n}\n\na.UnitHeader-backLink {\n  color: var(--color-text);\n  display: block;\n  font-size: 1rem;\n  position: absolute;\n  right: 0.625rem;\n  top: 1.25rem;\n}\n\n.UnitHeader-backLink img {\n  vertical-align: middle;\n}\n\n.DetailsHeader-badge--notAtLatest a {\n  display: none;\n}\n\n.DetailsHeader-badge--notAtLatest span.DetailsHeader-span--latest {\n  display: none;\n}\n\n.DetailsHeader-badge--notAtLatest .UnitMetaDetails-icon {\n  z-index: 1;\n}\n\n.DetailsHeader-badge--notAtLatest .UnitMetaDetails-toggletipBubble {\n  color: var(--black);\n  text-transform: none;\n}\n\n.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip {\n  height: 0;\n}\n\n.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip button {\n  height: 0.8125rem;\n  line-height: 0;\n}\n\n.DetailsHeader-span--notAtLatest .UnitMetaDetails-toggletip img {\n  vertical-align: middle;\n}\n\n.DetailsHeader-badge--goToLatest span {\n  display: none;\n}\n\n.DetailsHeader-badge--goToLatest span.DetailsHeader-span--goToLatest {\n  display: initial;\n}\n\n.DetailsHeader-badge--unknown a {\n  display: none;\n}\n\n.DetailsHeader-badge--unknown span {\n  display: none;\n}\n\n.DetailsHeader-badge {\n  border-radius: 1rem;\n  display: inline-block;\n  font-size: 0.75rem;\n  padding: 0.25rem 0.75rem;\n  position: relative;\n  top: -0.125rem;\n}\n\n.DetailsHeader-badge--latest a {\n  display: none;\n}\n\n.DetailsHeader-badge--goToLatest a:hover {\n  text-decoration: none;\n}\n\n.DetailsHeader-badge--latest span.DetailsHeader-span--notAtLatest {\n  display: none;\n}\n\n.DetailsHeader-badge--goToLatest,\n.DetailsHeader-badge--latest,\n.DetailsHeader-badge--notAtLatest {\n  margin-left: 0.25rem;\n}\n", "/*!\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n@import url('./_header.css');\n\n.go-Main {\n  background-color: var(--color-background);\n  color: var(--color-text);\n  display: grid;\n  flex-grow: 1;\n  grid-template: repeat(6, min-content) / 100%;\n  grid-template-areas:\n    'banner'\n    'header'\n    'aside'\n    'nav'\n    'article'\n    'footer';\n  min-height: 32rem;\n}\n\n.go-Main-banner {\n  grid-area: banner;\n  padding: 1rem var(--gutter) 0 var(--gutter);\n}\n\n.go-Main-header {\n  background-color: var(--color-background);\n  border-bottom: var(--border);\n  font-size: 0.875rem;\n  grid-area: header;\n  min-height: var(--js-unit-header-height);\n  padding: 0 var(--gutter);\n  transition: box-shadow 0.25s linear;\n  z-index: 10;\n}\n\n.go-Main-header[data-fixed] {\n  border-bottom: none;\n  position: sticky;\n  top: var(--js-unit-header-top, 0);\n}\n\n.go-Main-header[data-raised] {\n  border-bottom: var(--border);\n}\n\n.go-Main-nav {\n  background-color: var(--color-background);\n  border-bottom: var(--border);\n  font-size: 0.875rem;\n  grid-area: nav;\n  padding: 0 var(--gutter);\n}\n\n.go-Main-article {\n  background-color: var(--color-background);\n  grid-area: article;\n  margin: var(--gap) 0 5rem 0;\n  min-height: 32rem;\n  padding: 0 var(--gutter);\n}\n\n.go-Main-aside {\n  background-color: var(--color-background-accented);\n  border-bottom: var(--border);\n  font-size: 0.875rem;\n  grid-area: aside;\n  padding: 1rem var(--gutter);\n}\n\n.go-Main-aside--empty {\n  border-bottom: none;\n  padding: 0;\n}\n\n.go-Main-footer {\n  background-color: var(--color-background);\n  grid-area: footer;\n  padding: 0 var(--gutter);\n}\n\n.go-Main > *:empty {\n  border: none;\n  margin: 0;\n  padding: 0;\n}\n\n.go-Main-headerBreadcrumb {\n  margin-top: 1rem;\n}\n\n.go-Main-headerContent {\n  margin-bottom: 1rem;\n  position: sticky;\n  top: 0;\n}\n\n.go-Main-headerContent[data-fixed] {\n  align-items: center;\n  display: flex;\n  margin-bottom: 0;\n  min-height: 0;\n}\n@media screen and (min-width: 80rem) {\n  .go-Main-headerContent[data-fixed] {\n    justify-content: space-between;\n  }\n}\n\n.go-Main-headerTitle {\n  align-items: center;\n  display: flex;\n  gap: 0.5rem;\n  height: 3.5rem;\n  max-width: 100%;\n  padding-right: 1.5rem;\n}\n@media screen and (min-width: 80rem) {\n  .go-Main-headerTitle[data-fixed] {\n    max-width: 40%;\n  }\n}\n\n.go-Main-headerTitle .go-Clipboard {\n  display: none;\n}\n\n.go-Main-headerTitle[data-fixed] .go-Clipboard {\n  display: initial;\n}\n\n.go-Main-headerLogo {\n  --logo-height: 1.75rem;\n  --logo-width: calc(var(--logo-height) / 0.3768);\n\n  align-items: center;\n  display: flex;\n  margin-right: -0.5rem;\n  opacity: 0;\n  transition: opacity 0.25s ease-in-out, width 0.25s ease-out;\n  visibility: hidden;\n  width: 0;\n}\n\n.go-Main-headerLogo img {\n  height: var(--logo-height);\n  margin: -1rem 0;\n  width: var(--logo-width);\n}\n\n.go-Main-headerLogo[data-fixed] {\n  margin-right: 0;\n  opacity: 1;\n  visibility: visible;\n  width: var(--logo-width);\n}\n\n.go-Main-headerDetails {\n  display: flex;\n  flex-flow: row wrap;\n  gap: 0 1rem;\n  white-space: nowrap;\n}\n\n.go-Main-headerDetails[data-fixed] {\n  display: none;\n}\n@media screen and (min-width: 80rem) {\n  :root:not([data-layout='compact']) .go-Main-headerDetails[data-fixed] {\n    display: flex;\n  }\n}\n\n.go-Main-headerDetailItem {\n  color: var(--color-text-subtle);\n  display: inline;\n  font-size: 0.875rem;\n  height: 1.75rem;\n  line-height: 1.75rem;\n}\n\n.go-Main-headerDetailItem:not(:last-of-type)::after {\n  content: '|';\n  padding-left: 1rem;\n}\n\n.go-Main-nav--sticky {\n  position: sticky;\n  top: var(--js-sticky-header-height, 3.5rem);\n  transition: box-shadow 0.25s linear;\n  z-index: 1;\n}\n\n.go-Main-nav--fixed {\n  border-top: initial;\n}\n\n.go-Main-navDesktop {\n  display: none;\n  margin-top: var(--gap);\n  overflow-y: auto;\n  padding: 0.25rem;\n  position: sticky;\n  top: calc(var(--js-sticky-header-height, 3.5rem) + 1rem);\n}\n\n.go-Main-navMobile {\n  display: flex;\n  margin: 0.5rem 0;\n}\n\n.go-Main-navMobile .go-Label {\n  flex-grow: 1;\n  position: relative;\n}\n\n.go-Main-navMobile .go-Select {\n  padding-left: 1.75rem;\n  width: 100%;\n}\n\n.go-Main-navMobile .go-Label::before {\n  background: url('/static/shared/icon/list_gm_grey_24dp.svg');\n  background-repeat: no-repeat;\n  background-size: contain;\n  content: ' ';\n  height: 1.25rem;\n  left: 0.5rem;\n  padding-left: 1rem;\n  position: absolute;\n  top: 0.375rem;\n  width: 1.25rem;\n}\n\n/* Safari only */\n@media not all and (min-resolution: 0.001dpcm) {\n  @supports (-webkit-appearance: none) {\n    .go-Main-navMobile .go-Select {\n      appearance: none;\n    }\n  }\n}\n\n@media screen and (min-width: 80rem) {\n  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diff --git a/static/frontend/unit/versions/versions.js b/static/frontend/unit/versions/versions.js
index 30f1498..cf06f98 100644
--- a/static/frontend/unit/versions/versions.js
+++ b/static/frontend/unit/versions/versions.js
@@ -1,4 +1,4 @@
-var s=class{constructor(){this.expand=document.querySelector(".js-versionsExpand");this.collapse=document.querySelector(".js-versionsCollapse");this.details=[...document.querySelectorAll(".js-versionDetails")];if(this.expand?.parentElement){this.details.some(e=>e.tagName==="DETAILS")&&(this.expand.parentElement.style.display="block");for(let e of this.details)e.addEventListener("click",()=>{this.updateButtons()});this.expand?.addEventListener("click",()=>{this.details.map(e=>e.open=!0),this.updateButtons()}),this.collapse?.addEventListener("click",()=>{this.details.map(e=>e.open=!1),this.updateButtons()}),this.updateButtons(),this.setCurrent()}}setCurrent(){let e=document.querySelector(".js-canonicalURLPath")?.dataset?.canonicalUrlPath,t=document.querySelector(`.js-versionLink[href="${e}"]`);t&&(t.style.fontWeight="bold")}updateButtons(){setTimeout(()=>{if(!this.expand||!this.collapse)return;let e,t;for(let n of this.details)e=e||n.open,t=t||!n.open;this.expand.style.display=t?"inline-block":"none",this.collapse.style.display=t?"none":"inline-block"})}};new s;export{s as VersionsController};
+var i=class{constructor(){this.expand=document.querySelector(".js-versionsExpand");this.collapse=document.querySelector(".js-versionsCollapse");this.details=[...document.querySelectorAll(".js-versionDetails")];var n,e,s;if((n=this.expand)!=null&&n.parentElement){this.details.some(t=>t.tagName==="DETAILS")&&(this.expand.parentElement.style.display="block");for(let t of this.details)t.addEventListener("click",()=>{this.updateButtons()});(e=this.expand)==null||e.addEventListener("click",()=>{this.details.map(t=>t.open=!0),this.updateButtons()}),(s=this.collapse)==null||s.addEventListener("click",()=>{this.details.map(t=>t.open=!1),this.updateButtons()}),this.updateButtons(),this.setCurrent()}}setCurrent(){var s,t;let n=(t=(s=document.querySelector(".js-canonicalURLPath"))==null?void 0:s.dataset)==null?void 0:t.canonicalUrlPath,e=document.querySelector(`.js-versionLink[href="${n}"]`);e&&(e.style.fontWeight="bold")}updateButtons(){setTimeout(()=>{if(!this.expand||!this.collapse)return;let n,e;for(let s of this.details)n=n||s.open,e=e||!s.open;this.expand.style.display=e?"inline-block":"none",this.collapse.style.display=e?"none":"inline-block"})}};new i;export{i as VersionsController};
 /*!
  * @license
  * Copyright 2021 The Go Authors. All rights reserved.
diff --git a/static/frontend/unit/versions/versions.js.map b/static/frontend/unit/versions/versions.js.map
index e0527c4..6ef91e0 100644
--- a/static/frontend/unit/versions/versions.js.map
+++ b/static/frontend/unit/versions/versions.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["versions.ts"],
   "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/**\n * VersionsController encapsulates event listeners and UI updates\n * for the versions page. As the expandable sections containing\n * the symbol history for a package are opened and closed it toggles\n * visiblity of the buttons to expand or collapse them. On page load\n * it adds an indicator to the version that matches the version request\n * by the user for the page or the canonical url path.\n */\nexport class VersionsController {\n  private expand = document.querySelector<HTMLButtonElement>('.js-versionsExpand');\n  private collapse = document.querySelector<HTMLButtonElement>('.js-versionsCollapse');\n  private details = [...document.querySelectorAll<HTMLDetailsElement>('.js-versionDetails')];\n\n  constructor() {\n    if (!this.expand?.parentElement) return;\n    if (this.details.some(d => d.tagName === 'DETAILS')) {\n      this.expand.parentElement.style.display = 'block';\n    }\n\n    for (const d of this.details) {\n      d.addEventListener('click', () => {\n        this.updateButtons();\n      });\n    }\n\n    this.expand?.addEventListener('click', () => {\n      this.details.map(d => (d.open = true));\n      this.updateButtons();\n    });\n\n    this.collapse?.addEventListener('click', () => {\n      this.details.map(d => (d.open = false));\n      this.updateButtons();\n    });\n\n    this.updateButtons();\n    this.setCurrent();\n  }\n\n  /**\n   * setCurrent applies the active style to the version dot\n   * for the version that matches the canonical URL path.\n   */\n  private setCurrent() {\n    const canonicalPath = document.querySelector<HTMLElement>('.js-canonicalURLPath')?.dataset\n      ?.canonicalUrlPath;\n    const versionLink = document.querySelector<HTMLElement>(\n      `.js-versionLink[href=\"${canonicalPath}\"]`\n    );\n    if (versionLink) {\n      versionLink.style.fontWeight = 'bold';\n    }\n  }\n\n  private updateButtons() {\n    setTimeout(() => {\n      if (!this.expand || !this.collapse) return;\n      let someOpen, someClosed;\n      for (const d of this.details) {\n        someOpen = someOpen || d.open;\n        someClosed = someClosed || !d.open;\n      }\n      this.expand.style.display = someClosed ? 'inline-block' : 'none';\n      this.collapse.style.display = someClosed ? 'none' : 'inline-block';\n    });\n  }\n}\n\nnew VersionsController();\n"],
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-  "names": ["VersionsController", "d", "canonicalPath", "versionLink", "someOpen", "someClosed"]
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+  "names": ["VersionsController", "_a", "_b", "_c", "d", "canonicalPath", "versionLink", "someOpen", "someClosed"]
 }
diff --git a/static/frontend/unit/versions/versions.min.css.map b/static/frontend/unit/versions/versions.min.css.map
index d77102b..cde9b28 100644
--- a/static/frontend/unit/versions/versions.min.css.map
+++ b/static/frontend/unit/versions/versions.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["versions.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Versions table {\n  border-spacing: 0;\n}\n\n.Versions th {\n  text-align: left;\n}\n\n.Versions td {\n  padding-bottom: 1rem;\n}\n\n.Versions td:nth-child(1) {\n  padding-right: 3rem;\n  vertical-align: top;\n}\n\n.Versions td:nth-child(2) {\n  border-right: var(--border);\n  padding-right: 1rem;\n  text-align: right;\n  vertical-align: top;\n  white-space: nowrap;\n}\n\n.Versions td:nth-child(3) {\n  padding-left: 1rem;\n}\n\n.Versions-commitTime {\n  font-size: 1rem;\n  font-weight: 400;\n}\n\n.Versions-major {\n  font-weight: 600;\n}\n\n.Versions-symbols {\n  margin-left: 2rem;\n}\n\n.Versions-vulns {\n  margin: 0.25rem 2rem;\n  max-width: 60rem;\n}\n\n.Versions-symbolBulletNew {\n  color: var(--color-text-subtle);\n  padding-right: 0.5rem;\n}\n\n.Versions-symbolBuilds,\n.Versions-symbolBuildsDash,\n.Versions-symbolOld {\n  color: var(--color-text-subtle);\n}\n\n.Versions-symbolChild {\n  padding-left: 2rem;\n}\n\n.Versions-symbolSection,\n.Versions-symbolType {\n  margin-bottom: 0.625rem;\n}\n\n.Versions-symbolsHeader {\n  margin: 0.625rem 0;\n}\n\n.Versions-title {\n  align-items: center;\n  display: flex;\n  flex-wrap: wrap;\n  gap: 1rem 2.5rem;\n  margin-bottom: 1rem;\n}\n\n.Versions-titleButtonGroup {\n  display: none;\n}\n\n.Versions-titleButtonGroup button {\n  font-size: 0.875rem;\n}\n\n.Versions-modulesTitle {\n  font-size: 1rem;\n  margin: 1rem 0;\n}\n\n.Versions-list {\n  gap: 0 1rem;\n  line-height: 2.25rem;\n}\n@media only screen and (min-width: 37.5rem) {\n  .Versions-list {\n    display: grid;\n    grid-template-columns: fit-content(8rem) fit-content(20rem) min-content auto;\n  }\n}\n\n.Version-major {\n  align-items: baseline;\n  display: flex;\n  gap: 1rem;\n  margin-bottom: 1rem;\n  min-width: 4rem;\n}\n@media only screen and (min-width: 37.5rem) {\n  .Version-major {\n    margin-bottom: 0;\n  }\n}\n\n.Version-tag {\n  text-align: left;\n}\n@media only screen and (min-width: 37.5rem) {\n  .Version-tag {\n    text-align: right;\n  }\n}\n\n.Version-dot {\n  border: var(--border);\n  color: var(--gray-7);\n  display: none;\n  font-size: 2.75rem;\n  justify-content: center;\n  line-height: 1.75rem;\n  -webkit-text-stroke: 0.125rem var(--color-background);\n  width: 0;\n}\n\n.Version-dot::before {\n  content: '\u2022';\n}\n@media only screen and (min-width: 37.5rem) {\n  .Version-dot {\n    display: flex;\n  }\n}\n\n.Version-dot--minor {\n  color: var(--color-brand-primary);\n}\n\n.Version-commitTime {\n  align-items: center;\n  display: flex;\n  gap: 0.75rem;\n  margin-left: 1rem;\n  white-space: nowrap;\n}\n\n.Version-details {\n  line-height: 1.25rem;\n}\n\n.Version-summary {\n  align-items: center;\n  cursor: pointer;\n  line-height: 2.25rem;\n  padding-right: 0.5rem;\n  white-space: nowrap;\n  width: min-content;\n}\n\n.Version-summary .go-Chip {\n  margin-left: 0.5rem;\n}\n"],
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   "names": []
 }
diff --git a/static/frontend/vuln/entry/entry.min.css.map b/static/frontend/vuln/entry/entry.min.css.map
index b2c49ff..f0ceeee 100644
--- a/static/frontend/vuln/entry/entry.min.css.map
+++ b/static/frontend/vuln/entry/entry.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["entry.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Vuln-alias {\n  display: none;\n}\n\n.VulnEntry {\n  display: flex;\n  flex-direction: column;\n  gap: 1rem;\n  margin-top: 0.5rem;\n}\n\n.VulnEntry h2 {\n  font-size: 1.25rem;\n}\n\n.VulnEntryPackages-detailsContent {\n  margin-left: 0.2rem;\n}\n\n/* One column by default */\n.VulnEntryPackages-container {\n  display: grid;\n  grid-gap: 0.5rem;\n  grid-template-columns: 1fr;\n}\n\n/* Don't display the first item - the headers for multi-col layout */\n.VulnEntryPackages-container > li:first-child {\n  display: none;\n}\n\n.VulnEntryPackages-attr::before {\n  color: var(--color-text-subtle);\n  content: attr(data-name);\n}\n\n/* Attribute name for first column, and attribute value for second column. */\n.VulnEntryPackages-attr {\n  display: grid;\n  grid-template-columns: minmax(5em, 10%) 1fr;\n  list-style: disc;\n  list-style-position: inside;\n\n  /* package and symbol names can be pretty long */\n  overflow-wrap: anywhere;\n  padding: 0.2rem;\n}\n\n/* Three columns for wider screen */\n@media screen and (min-width: 46rem) {\n  /* Undo what's done by default */\n  .VulnEntryPackages-container {\n    grid-gap: 0;\n  }\n\n  .VulnEntryPackages-item {\n    padding: inherit;\n  }\n\n  .VulnEntryPackages-container > li:first-child {\n    display: grid; /* undo display: none setfor default */\n  }\n\n  .VulnEntryPackages-attr::before {\n    content: none;\n  }\n\n  .VulnEntryPackages-attr {\n    grid-template-columns: 1fr;\n  }\n\n  .VulnEntryPackages-item-container {\n    display: grid;\n    grid-template-columns: minmax(10em, 50%) minmax(5em, 20%) 1fr;\n    padding: 0.5rem;\n  }\n\n  /* Header */\n  .VulnEntryPackages-item-container:first-child {\n    background-color: var(--color-background-accented);\n  }\n\n  /* Header text */\n  .VulnEntryPackages-item-container:first-child .VulnEntryPackages-attr {\n    display: flex;\n    font-weight: bold;\n    overflow: auto;\n    text-overflow: initial;\n    white-space: normal;\n  }\n}\n\n.VulnEntry-referenceList,\n.VulnEntry-aliases {\n  line-height: 1.75rem;\n  word-break: break-all;\n}\n"],
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   "names": []
 }
diff --git a/static/frontend/vuln/list/list.min.css.map b/static/frontend/vuln/list/list.min.css.map
index 2890e62..6330583 100644
--- a/static/frontend/vuln/list/list.min.css.map
+++ b/static/frontend/vuln/list/list.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["list.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/* Hide the search form in the header. */\n.go-SearchForm {\n  display: none;\n}\n\n.VulnList-title {\n  font-size: 1.25rem;\n  font-weight: 400;\n}\n\n.VulnList-details {\n  margin-bottom: 1.75rem;\n}\n\n.VulnList-details p {\n  word-break: break-word;\n}\n\n.VulnList-search {\n  margin-bottom: 1rem;\n  max-width: 32rem;\n}\n"],
-  "mappings": ";;;;;AAOA,CAAC,cACC,QAAS,IACX,CAEA,CAAC,eACC,UAAW,QACX,YAAa,GACf,CAEA,CAAC,iBACC,cAAe,OACjB,CAEA,CAJC,iBAIiB,EAChB,WAAY,UACd,CAEA,CAAC,gBACC,cAAe,KACf,UAAW,KACb",
+  "mappings": ";;;;;AAOA,eACE,aAGF,gBACE,kBACA,gBAGF,kBACE,sBAGF,oBACE,sBAGF,iBACE,mBACA",
   "names": []
 }
diff --git a/static/frontend/vuln/main/main.min.css.map b/static/frontend/vuln/main/main.min.css.map
index 6af713c..767526a 100644
--- a/static/frontend/vuln/main/main.min.css.map
+++ b/static/frontend/vuln/main/main.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["main.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n/* Hide the search form in the header. */\n.go-SearchForm {\n  display: none;\n}\n\n.VulnMain-title {\n  font-size: 1.25rem;\n  font-weight: 400;\n  margin: 0 0 0.5rem;\n}\n\n.VulnMain-recent {\n  margin-top: 0.5rem;\n}\n\n.VulnMain-details {\n  margin-bottom: 1.75rem;\n}\n\n.VulnMain-details p {\n  word-break: break-word;\n}\n\n.VulnMain-search {\n  max-width: 32rem;\n}\n\n.VulnMain h2 {\n  margin: 1.75rem 0 0.5rem;\n}\n"],
-  "mappings": ";;;;;AAOA,CAAC,cACC,QAAS,IACX,CAEA,CAAC,eACC,UAAW,QACX,YAAa,IAbf,OAcU,EAAE,EAAE,KACd,CAEA,CAAC,gBACC,WAAY,KACd,CAEA,CAAC,iBACC,cAAe,OACjB,CAEA,CAJC,iBAIiB,EAChB,WAAY,UACd,CAEA,CAAC,gBACC,UAAW,KACb,CAEA,CAAC,SAAS,GAjCV,OAkCU,QAAQ,EAAE,KACpB",
+  "mappings": ";;;;;AAOA,eACE,aAGF,gBACE,kBACA,gBAbF,iBAiBA,iBACE,iBAGF,kBACE,sBAGF,oBACE,sBAGF,iBACE,gBAGF,aAjCA",
   "names": []
 }
diff --git a/static/frontend/vuln/vuln.min.css.map b/static/frontend/vuln/vuln.min.css.map
index e5d67c1..19b499c 100644
--- a/static/frontend/vuln/vuln.min.css.map
+++ b/static/frontend/vuln/vuln.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["vuln.css"],
   "sourcesContent": ["/*\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n.Vuln {\n  gap: 0.5rem;\n}\n\n.Vuln-title {\n  font-size: 2.25rem;\n  font-weight: 400;\n  margin-bottom: 1rem;\n}\n\n.Vuln-details {\n  display: flex;\n  flex-direction: column;\n  gap: 0.75rem;\n}\n\n.Vuln-detailsMetadata {\n  display: flex;\n  flex-wrap: wrap;\n  font-size: 0.875rem;\n  gap: 0.5rem 0;\n}\n\n.Vuln-detailsMetadata li:not(:last-child)::after {\n  content: '|';\n  padding: 0 0.5rem;\n}\n"],
-  "mappings": ";;;;;AAMA,CAAC,KACC,IAAK,KACP,CAEA,CAAC,WACC,UAAW,QACX,YAAa,IACb,cAAe,IACjB,CAEA,CAAC,aACC,QAAS,KACT,eAAgB,OAChB,IAAK,MACP,CAEA,CAAC,qBACC,QAAS,KACT,UAAW,KACX,UAAW,QACX,IAAK,MAAO,CACd,CAEA,CAPC,qBAOqB,EAAE,KAAK,YAAY,OACvC,QAAS,IA9BX,QA+BW,EAAE,KACb",
+  "mappings": ";;;;;AAMA,MACE,UAGF,YACE,kBACA,gBACA,mBAGF,cACE,aACA,sBACA,WAGF,sBACE,aACA,eACA,kBACA,YAGF,gDACE,YA9BF",
   "names": []
 }
diff --git a/static/shared/header/header.ts b/static/shared/header/header.ts
index 9aa2bec..1b9a391 100644
--- a/static/shared/header/header.ts
+++ b/static/shared/header/header.ts
@@ -22,8 +22,8 @@
       }
       // prevents menus that have been tabbed into from staying open
       // when you hover over another menu
-      target.focus();
-      target.blur();
+      target.classList.remove('forced-closed');
+      target.classList.add('forced-open');
     });
 
     const toggleForcedOpen = (e: Event) => {
@@ -49,19 +49,30 @@
           currentTarget.classList.remove('forced-closed');
         });
       }
+      currentTarget.focus();
     };
     menuItemHover.addEventListener('click', toggleForcedOpen);
-  });
-
-  // ensure desktop submenus are closed when esc is pressed
-  const headerItems = document.querySelectorAll('.Header-menuItem');
-  headerItems.forEach(header => {
-    header.addEventListener('keyup', e => {
-      const event = e as KeyboardEvent;
-      if (event.key === 'Escape') {
-        (event.target as HTMLElement)?.blur();
-      }
+    menuItemHover.addEventListener('focus', e => {
+      const target = e.target as HTMLElement;
+      target.classList.add('forced-closed');
+      target.classList.remove('forced-open');
     });
+
+    // ensure desktop submenus are closed when esc is pressed
+    const closeSubmenuOnEsc = (e: Event) => {
+      const event = e as KeyboardEvent;
+      const target = e.target as HTMLElement;
+      if (event.key === 'Escape') {
+        const forcedOpenItem = document.querySelector('.forced-open') as HTMLElement;
+        if (forcedOpenItem) {
+          forcedOpenItem.classList.remove('forced-open');
+          forcedOpenItem.blur();
+          forcedOpenItem.classList.add('forced-closed');
+          target?.focus();
+        }
+      }
+    };
+    document.addEventListener('keydown', closeSubmenuOnEsc);
   });
 
   // Mobile menu subnav menus
diff --git a/static/worker/worker.js.map b/static/worker/worker.js.map
index 0d10c15..5f58689 100644
--- a/static/worker/worker.js.map
+++ b/static/worker/worker.js.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["worker.ts"],
   "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\ndeclare global {\n  interface Window {\n    submitForm: typeof submitForm;\n  }\n}\n\nfunction submitForm(formName: string, reload: boolean) {\n  const form = document.querySelector<HTMLFormElement>(`form[name=\"${formName}\" ]`);\n  if (!form) {\n    throw Error(`Form \"${formName}\" not found.`);\n  }\n  form.result.value = 'request pending...';\n  const xhr = new XMLHttpRequest();\n  xhr.onreadystatechange = function () {\n    if (this.readyState == 4) {\n      if (this.status >= 200 && this.status < 300) {\n        if (reload) {\n          location.reload();\n        } else {\n          form.result.value = 'Success.';\n        }\n      } else {\n        form.result.value = 'ERROR: ' + this.responseText;\n      }\n    }\n  };\n  xhr.open(form.method, form.action);\n  xhr.send(new FormData(form));\n}\n\nwindow.submitForm = submitForm;\n\nexport {};\n"],
-  "mappings": "AAYA,SAASA,EAAWC,EAAkBC,EAAiB,CACrD,IAAMC,EAAO,SAAS,cAA+B,cAAcF,CAAQ,KAAK,EAChF,GAAI,CAACE,EACH,MAAM,MAAM,SAASF,CAAQ,cAAc,EAE7CE,EAAK,OAAO,MAAQ,qBACpB,IAAMC,EAAM,IAAI,eAChBA,EAAI,mBAAqB,UAAY,CAC/B,KAAK,YAAc,IACjB,KAAK,QAAU,KAAO,KAAK,OAAS,IAClCF,EACF,SAAS,OAAO,EAEhBC,EAAK,OAAO,MAAQ,WAGtBA,EAAK,OAAO,MAAQ,UAAY,KAAK,aAG3C,EACAC,EAAI,KAAKD,EAAK,OAAQA,EAAK,MAAM,EACjCC,EAAI,KAAK,IAAI,SAASD,CAAI,CAAC,CAC7B,CAEA,OAAO,WAAaH",
+  "mappings": "AAYA,SAASA,EAAWC,EAAkBC,EAAiB,CACrD,IAAMC,EAAO,SAAS,cAA+B,cAAcF,MAAa,EAChF,GAAI,CAACE,EACH,MAAM,MAAM,SAASF,eAAsB,EAE7CE,EAAK,OAAO,MAAQ,qBACpB,IAAMC,EAAM,IAAI,eAChBA,EAAI,mBAAqB,UAAY,CAC/B,KAAK,YAAc,IACjB,KAAK,QAAU,KAAO,KAAK,OAAS,IAClCF,EACF,SAAS,OAAO,EAEhBC,EAAK,OAAO,MAAQ,WAGtBA,EAAK,OAAO,MAAQ,UAAY,KAAK,aAG3C,EACAC,EAAI,KAAKD,EAAK,OAAQA,EAAK,MAAM,EACjCC,EAAI,KAAK,IAAI,SAASD,CAAI,CAAC,CAC7B,CAEA,OAAO,WAAaH",
   "names": ["submitForm", "formName", "reload", "form", "xhr"]
 }
diff --git a/static/worker/worker.min.css.map b/static/worker/worker.min.css.map
index 21bd9eb..af6d292 100644
--- a/static/worker/worker.min.css.map
+++ b/static/worker/worker.min.css.map
@@ -2,6 +2,6 @@
   "version": 3,
   "sources": ["worker.css"],
   "sourcesContent": ["/*\n * Copyright 2019-2020 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\n:root {\n  --white: #eee;\n  --gray: #ccc;\n  --red: red;\n}\n\nbody {\n  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,\n    'Helvetica Neue', Arial, sans-serif;\n}\n\nlabel {\n  display: inline-block;\n  text-align: right;\n  width: 12.5rem;\n}\n\ninput {\n  width: 12.5rem;\n}\n\nbutton {\n  background-color: var(--white);\n  border: 0.0625rem solid var(--gray);\n  border-radius: 0.125rem;\n  width: 16rem;\n}\n\ntable {\n  border-spacing: 0.625rem 0.125rem;\n  font-size: 0.75rem;\n  padding: 0.1875rem 0 0.125rem;\n}\n\ntd {\n  border-top: 0.0625rem solid var(--gray);\n}\n\n.Experiments input {\n  width: auto;\n}\n\n.Experiments input:invalid {\n  border: 0.0625rem dotted var(--red);\n  border-radius: 0.25rem;\n}\n\n.Experiments input:valid {\n  border: 0.0625rem solid var(--gray);\n  border-radius: 0.25rem;\n}\n\n.Experiments button {\n  width: auto;\n}\n\n.Experiments-updateResult {\n  border: none;\n  height: 2rem;\n  width: 100%;\n}\n"],
-  "mappings": ";;;;;AAMA,MACE,SAAS,KACT,QAAQ,KACR,OAAO,GACT,CAEA,KACE,YAAa,aAAa,CAAE,kBAAkB,CAAE,QAAU,CAAE,MAAM,CAAE,MAAM,CAAE,MAAM,CAChF,cAAgB,CAAE,KAAK,CAAE,UAC7B,CAEA,MACE,QAAS,aACT,WAAY,MACZ,MAAO,OACT,CAEA,MACE,MAAO,OACT,CAEA,OACE,iBAAkB,IAAI,SACtB,OAAQ,SAAU,MAAM,IAAI,QA7B9B,cA8BiB,QACf,MAAO,KACT,CAEA,MACE,eAAgB,QAAS,QACzB,UAAW,OApCb,QAqCW,SAAU,EAAE,OACvB,CAEA,GACE,WAAY,SAAU,MAAM,IAAI,OAClC,CAEA,CAAC,YAAY,MACX,MAAO,IACT,CAEA,CAJC,YAIY,KAAK,SAChB,OAAQ,SAAU,OAAO,IAAI,OAjD/B,cAkDiB,MACjB,CAEA,CATC,YASY,KAAK,OAChB,OAAQ,SAAU,MAAM,IAAI,QAtD9B,cAuDiB,MACjB,CAEA,CAdC,YAcY,OACX,MAAO,IACT,CAEA,CAAC,yBACC,OAAQ,KACR,OAAQ,KACR,MAAO,IACT",
+  "mappings": ";;;;;AAMA,MACE,cACA,aACA,WAGF,KACE,2GAIF,MACE,qBACA,iBACA,cAGF,MACE,cAGF,OACE,8BACA,kCA7BF,sBA+BE,YAGF,MACE,+BACA,iBApCF,2BAwCA,GACE,sCAGF,mBACE,WAGF,2BACE,kCAjDF,qBAqDA,yBACE,kCAtDF,qBA0DA,oBACE,WAGF,0BACE,YACA,YACA",
   "names": []
 }