diff --git a/content/static/doc/code.html b/content/static/doc/code.html
index b86f300..83cbbd9 100644
--- a/content/static/doc/code.html
+++ b/content/static/doc/code.html
@@ -78,7 +78,7 @@
 $ cat go.mod
 module github.com/user/hello
 
-go 1.13
+go 1.14
 $
 </pre>
 
@@ -115,9 +115,23 @@
 <p>
 This command builds the <code>hello</code> command, producing an executable
 binary. It then installs that binary as <code>$HOME/go/bin/hello</code> (or,
-under Windows, <code>%USERPROFILE%\go\bin\hello.exe</code>). You can change the
-install directory by setting the <code>GOBIN</code>
-<a href="/cmd/go/#hdr-Environment_variables">environment variable</a>.
+under Windows, <code>%USERPROFILE%\go\bin\hello.exe</code>).
+</p>
+
+<p>
+The install directory is controlled by the <code>GOPATH</code>
+and <code>GOBIN</code> <a href="/cmd/go/#hdr-Environment_variables">environment
+variables</a>. If <code>GOBIN</code> is set, binaries are installed to that
+directory. If <code>GOPATH</code> is set, binaries are installed to
+the <code>bin</code> subdirectory of the first directory in
+the <code>GOPATH</code> list. Otherwise, binaries are installed to
+the <code>bin</code> subdirectory of the default <code>GOPATH</code>
+(<code>$HOME/go</code> or <code>%USERPROFILE%\go</code>).
+</p>
+
+<p>
+You can use the <code>go env</code> command to portably set the default value
+for an environment variable for future <code>go</code> commands:
 </p>
 
 <pre>
@@ -126,6 +140,15 @@
 </pre>
 
 <p>
+To unset a variable previously set by <code>go env -w</code>, use <code>go env -u</code>:
+</p>
+
+<pre>
+$ go env -u GOBIN
+$
+</pre>
+
+<p>
 Commands like <code>go install</code> apply within the context of the module
 containing the current working directory. If the working directory is not within
 the <code>github.com/user/hello</code> module, <code>go install</code> may fail.
@@ -156,10 +179,11 @@
 easy:
 </p>
 
+<!-- Note: we can't use $(go env GOBIN) here until https://golang.org/issue/23439 is addressed. -->
 <pre>
 # Windows users should consult https://github.com/golang/go/wiki/SettingGOPATH
 # for setting %PATH%.
-$ <b>export PATH=$PATH:$(go env GOBIN)</b>
+$ <b>export PATH=$PATH:$(dirname $(go list -f '{{.Target}}' .))</b>
 $ <b>hello</b>
 Hello, world.
 $
@@ -182,6 +206,14 @@
 $
 </pre>
 
+<p>
+The <code>go</code> command locates the repository containing a given module path by requesting a corresponding HTTPS URL and reading metadata embedded in the HTML response (see
+<code><a href="/cmd/go/#hdr-Remote_import_paths">go help importpath</a></code>).
+Many hosting services already provide that metadata for repositories containing
+Go code, so the easiest way to make your module available for others to use is
+usually to make its module path match the URL for the repository.
+</p>
+
 <h3 id="ImportingLocal">Importing packages from your module</h3>
 
 <p>
@@ -292,34 +324,45 @@
 
 <p>
 When you run commands like <code>go install</code>, <code>go build</code>, or
-<code>go run</code>, the remote module will automatically be added to your
-<code>go.mod</code> file (and downloaded):
+<code>go run</code>, the <code>go</code> command will automatically download the
+remote module and record its version in your <code>go.mod</code> file:
+</p>
 
 <pre>
 $ go install github.com/user/hello
+go: finding module for package github.com/google/go-cmp/cmp
+go: downloading github.com/google/go-cmp v0.4.0
+go: found github.com/google/go-cmp/cmp in github.com/google/go-cmp v0.4.0
 $ hello
 Hello, Go!
-  string(
-- 	"Hello World",
-+ 	"Hello Go",
-  )
+  string(
+- 	"Hello World",
++ 	"Hello Go",
+  )
 $ cat go.mod
 module github.com/user/hello
 
-go 1.13
+go 1.14
 
-<b>require github.com/google/go-cmp v0.3.1</b>
+<b>require github.com/google/go-cmp v0.4.0</b>
 $
 </pre>
 
 <p>
-A module's path doesn't have to match the URL for its repository, but this
-convention is the easiest way to make your Go packages available for others to
-use. For more information on using remote modules with the <code>go</code> tool, see
-<code><a href="/cmd/go/#hdr-Remote_import_paths">go help importpath</a></code>
-and <a href="https://blog.golang.org/using-go-modules">Using Go Modules</a>.
+Module dependencies are automatically downloaded to the <code>pkg/mod</code>
+subdirectory of the directory indicated by the <code>GOPATH</code> environment
+variable. The downloaded contents for a given version of a module are shared
+among all other modules that <code>require</code> that version, so
+the <code>go</code> command marks those files and directories as read-only. To
+remove all downloaded modules, you can pass the <code>-modcache</code> flag
+to <code>go clean</code>:
 </p>
 
+<pre>
+$ go clean -modcache
+$
+</pre>
+
 <h2 id="Testing">Testing</h2>
 
 <p>
diff --git a/content/static/static.go b/content/static/static.go
index 8ef35ff..ab11c4e 100644
--- a/content/static/static.go
+++ b/content/static/static.go
@@ -45,7 +45,7 @@
 
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"<!--{\x0a\x09\"Title\":\x20\"Go\x20Community\x20Code\x20of\x20Conduct\",\x0a\x09\"Path\":\x20\x20\"/conduct\",\x0a\x09\"Template\":\x20true\x0a}-->\x0a\x0a<style>\x0aul\x20{\x0a\x09max-width:\x20800px;\x0a}\x0aul\x20ul\x20{\x0a\x09margin:\x200\x200\x205px;\x0a}\x0a</style>\x0a\x0a<h2\x20id=\"about\">About</h2>\x0a\x0a<p>\x0aOnline\x20communities\x20include\x20people\x20from\x20many\x20different\x20backgrounds.\x0aThe\x20Go\x20contributors\x20are\x20committed\x20to\x20providing\x20a\x20friendly,\x20safe\x20and\x20welcoming\x0aenvironment\x20for\x20all,\x20regardless\x20of\x20gender\x20identity\x20and\x20expression,\x20sexual\x20orientation,\x0adisabilities,\x20neurodiversity,\x20physical\x20appearance,\x20body\x20size,\x20ethnicity,\x20nationality,\x0arace,\x20age,\x20religion,\x20or\x20similar\x20personal\x20characteristics.\x0a</p>\x0a\x0a<p>\x0aThe\x20first\x20goal\x20of\x20the\x20Code\x20of\x20Conduct\x20is\x20to\x20specify\x20a\x20baseline\x20standard\x0aof\x20behavior\x20so\x20that\x20people\x20with\x20different\x20social\x20values\x20and\x20communication\x0astyles\x20can\x20talk\x20about\x20Go\x20effectively,\x20productively,\x20and\x20respectfully.\x0a</p>\x0a\x0a<p>\x0aThe\x20second\x20goal\x20is\x20to\x20provide\x20a\x20mechanism\x20for\x20resolving\x20conflicts\x20in\x20the\x0acommunity\x20when\x20they\x20arise.\x0a</p>\x0a\x0a<p>\x0aThe\x20third\x20goal\x20of\x20the\x20Code\x20of\x20Conduct\x20is\x20to\x20make\x20our\x20community\x20welcoming\x20to\x0apeople\x20from\x20different\x20backgrounds.\x0aDiversity\x20is\x20critical\x20to\x20the\x20project;\x20for\x20Go\x20to\x20be\x20successful,\x20it\x20needs\x0acontributors\x20and\x20users\x20from\x20all\x20backgrounds.\x0a(See\x20<a\x20href=\"https://blog.golang.org/open-source\">Go,\x20Open\x20Source,\x20Community</a>.)\x0a</p>\x0a\x0a<p>\x0aWe\x20believe\x20that\x20healthy\x20debate\x20and\x20disagreement\x20are\x20essential\x20to\x20a\x20healthy\x20project\x20and\x20community.\x0aHowever,\x20it\x20is\x20never\x20ok\x20to\x20be\x20disrespectful.\x0aWe\x20value\x20diverse\x20opinions,\x20but\x20we\x20value\x20respectful\x20behavior\x20more.\x0a</p>\x0a\x0a<h2\x20id=\"values\">Gopher\x20values</h2>\x0a\x0a<p>\x0aThese\x20are\x20the\x20values\x20to\x20which\x20people\x20in\x20the\x20Go\x20community\x20(\xe2\x80\x9cGophers\xe2\x80\x9d)\x20should\x20aspire.\x0a</p>\x0a\x0a<ul>\x0a<li>Be\x20friendly\x20and\x20welcoming\x0a<li>Be\x20patient\x0a\x20\x20\x20\x20<ul>\x0a\x20\x20\x20\x20<li>Remember\x20that\x20people\x20have\x20varying\x20communication\x20styles\x20and\x20that\x20not\x0a\x20\x20\x20\x20\x20\x20\x20\x20everyone\x20is\x20using\x20their\x20native\x20language.\x0a\x20\x20\x20\x20\x20\x20\x20\x20(Meaning\x20and\x20tone\x20can\x20be\x20lost\x20in\x20translation.)\x0a\x20\x20\x20\x20</ul>\x0a<li>Be\x20thoughtful\x0a\x20\x20\x20\x20<ul>\x0a\x20\x20\x20\x20<li>Productive\x20communication\x20requires\x20effort.\x0a\x20\x20\x20\x20\x20\x20\x20\x20Think\x20about\x20how\x20your\x20words\x20will\x20be\x20interpreted.\x0a\x20\x20\x20\x20<li>Remember\x20that\x20sometimes\x20it\x20is\x20best\x20to\x20refrain\x20entirely\x20from\x20commenting.\x0a\x20\x20\x20\x20</ul>\x0a<li>Be\x20respectful\x0a\x20\x20\x20\x20<ul>\x0a\x20\x20\x20\x20<li>In\x20particular,\x20respect\x20differences\x20of\x20opinion.\x0a\x20\x20\x20\x20</ul>\x0a<li>Be\x20charitable\x0a\x20\x20\x20\x20<ul>\x0a\x20\x20\x20\x20<li>Interpret\x20the\x20arguments\x20of\x20others\x20in\x20good\x20faith,\x20do\x20not\x20seek\x20to\x20disagree.\x0a\x20\x20\x20\x20<li>When\x20we\x20do\x20disagree,\x20try\x20to\x20understand\x20why.\x0a\x20\x20\x20\x20</ul>\x0a<li>Avoid\x20destructive\x20behavior:\x0a\x20\x20\x20\x20<ul>\x0a\x20\x20\x20\x20<li>Derailing:\x20stay\x20on\x20topic;\x20if\x20you\x20want\x20to\x20talk\x20about\x20something\x20else,\x0a\x20\x20\x20\x20\x20\x20\x20\x20start\x20a\x20new\x20conversation.\x0a\x20\x20\x20\x20<li>Unconstructive\x20criticism:\x20don't\x20merely\x20decry\x20the\x20current\x20state\x20of\x20affairs;\x0a\x20\x20\x20\x20\x20\x20\x20\x20offer\xe2\x80\x94or\x20at\x20least\x20solicit\xe2\x80\x94suggestions\x20as\x20to\x20how\x20things\x20may\x20be\x20improved.\x0a\x20\x20\x20\x20<li>Snarking\x20(pithy,\x20unproductive,\x20sniping\x20comments)\x0a\x20\x20\x20\x20<li>Discussing\x20potentially\x20offensive\x20or\x20sensitive\x20issues;\x0a\x20\x20\x20\x20\x20\x20\x20\x20this\x20all\x20too\x20often\x20leads\x20to\x20unnecessary\x20conflict.\x0a\x20\x20\x20\x20<li>Microaggressions:\x20brief\x20and\x20commonplace\x20verbal,\x20behavioral\x20and\x0a\x20\x20\x20\x20\x20\x20\x20\x20environmental\x20indignities\x20that\x20communicate\x20hostile,\x20derogatory\x20or\x20negative\x0a\x20\x20\x20\x20\x20\x20\x20\x20slights\x20and\x20insults\x20to\x20a\x20person\x20or\x20group.\x0a\x20\x20\x20\x20</ul>\x0a</ul>\x0a\x0a<p>\x0aPeople\x20are\x20complicated.\x0aYou\x20should\x20expect\x20to\x20be\x20misunderstood\x20and\x20to\x20misunderstand\x20others;\x0awhen\x20this\x20inevitably\x20occurs,\x20resist\x20the\x20urge\x20to\x20be\x20defensive\x20or\x20assign\x20blame.\x0aTry\x20not\x20to\x20take\x20offense\x20where\x20no\x20offense\x20was\x20intended.\x0aGive\x20people\x20the\x20benefit\x20of\x20the\x20doubt.\x0aEven\x20if\x20the\x20intent\x20was\x20to\x20provoke,\x20do\x20not\x20rise\x20to\x20it.\x0aIt\x20is\x20the\x20responsibility\x20of\x20<i>all\x20parties</i>\x20to\x20de-escalate\x20conflict\x20when\x20it\x20arises.\x0a</p>\x0a\x0a<h2\x20id=\"code\">Code\x20of\x20Conduct</h2>\x0a\x0a<h3\x20id=\"our-pledge\">Our\x20Pledge</h3>\x0a\x0a<p>In\x20the\x20interest\x20of\x20fostering\x20an\x20open\x20and\x20welcoming\x20environment,\x20we\x20as\x0acontributors\x20and\x20maintainers\x20pledge\x20to\x20making\x20participation\x20in\x20our\x20project\x20and\x0aour\x20community\x20a\x20harassment-free\x20experience\x20for\x20everyone,\x20regardless\x20of\x20age,\x20body\x0asize,\x20disability,\x20ethnicity,\x20gender\x20identity\x20and\x20expression,\x20level\x20of\x0aexperience,\x20education,\x20socio-economic\x20status,\x20nationality,\x20personal\x20appearance,\x0arace,\x20religion,\x20or\x20sexual\x20identity\x20and\x20orientation.</p>\x0a\x0a<h3\x20id=\"our-standards\">Our\x20Standards</h3>\x0a\x0a<p>Examples\x20of\x20behavior\x20that\x20contributes\x20to\x20creating\x20a\x20positive\x20environment\x0ainclude:</p>\x0a\x0a<ul>\x0a<li>Using\x20welcoming\x20and\x20inclusive\x20language</li>\x0a<li>Being\x20respectful\x20of\x20differing\x20viewpoints\x20and\x20experiences</li>\x0a<li>Gracefully\x20accepting\x20constructive\x20criticism</li>\x0a<li>Focusing\x20on\x20what\x20is\x20best\x20for\x20the\x20community</li>\x0a<li>Showing\x20empathy\x20towards\x20other\x20community\x20members</li>\x0a</ul>\x0a\x0a<p>Examples\x20of\x20unacceptable\x20behavior\x20by\x20participants\x20include:</p>\x0a\x0a<ul>\x0a<li>The\x20use\x20of\x20sexualized\x20language\x20or\x20imagery\x20and\x20unwelcome\x20sexual\x20attention\x20or\x0aadvances</li>\x0a<li>Trolling,\x20insulting/derogatory\x20comments,\x20and\x20personal\x20or\x20political\x20attacks</li>\x0a<li>Public\x20or\x20private\x20harassment</li>\x0a<li>Publishing\x20others&rsquo;\x20private\x20information,\x20such\x20as\x20a\x20physical\x20or\x20electronic\x0aaddress,\x20without\x20explicit\x20permission</li>\x0a<li>Other\x20conduct\x20which\x20could\x20reasonably\x20be\x20considered\x20inappropriate\x20in\x20a\x0aprofessional\x20setting</li>\x0a</ul>\x0a\x0a<h3\x20id=\"our-responsibilities\">Our\x20Responsibilities</h3>\x0a\x0a<p>Project\x20maintainers\x20are\x20responsible\x20for\x20clarifying\x20the\x20standards\x20of\x20acceptable\x0abehavior\x20and\x20are\x20expected\x20to\x20take\x20appropriate\x20and\x20fair\x20corrective\x20action\x20in\x0aresponse\x20to\x20any\x20instances\x20of\x20unacceptable\x20behavior.</p>\x0a\x0a<p>Project\x20maintainers\x20have\x20the\x20right\x20and\x20responsibility\x20to\x20remove,\x20edit,\x20or\x20reject\x0acomments,\x20commits,\x20code,\x20wiki\x20edits,\x20issues,\x20and\x20other\x20contributions\x20that\x20are\x0anot\x20aligned\x20to\x20this\x20Code\x20of\x20Conduct,\x20or\x20to\x20ban\x20temporarily\x20or\x20permanently\x20any\x0acontributor\x20for\x20other\x20behaviors\x20that\x20they\x20deem\x20inappropriate,\x20threatening,\x0aoffensive,\x20or\x20harmful.</p>\x0a\x0a<h3\x20id=\"scope\">Scope</h3>\x0a\x0a<p>This\x20Code\x20of\x20Conduct\x20applies\x20both\x20within\x20project\x20spaces\x20and\x20in\x20public\x20spaces\x0awhen\x20an\x20individual\x20is\x20representing\x20the\x20project\x20or\x20its\x20community.\x20Examples\x20of\x0arepresenting\x20a\x20project\x20or\x20community\x20include\x20using\x20an\x20official\x20project\x20e-mail\x0aaddress,\x20posting\x20via\x20an\x20official\x20social\x20media\x20account,\x20or\x20acting\x20as\x20an\x20appointed\x0arepresentative\x20at\x20an\x20online\x20or\x20offline\x20event.\x20Representation\x20of\x20a\x20project\x20may\x20be\x0afurther\x20defined\x20and\x20clarified\x20by\x20project\x20maintainers.</p>\x0a\x0a<p>This\x20Code\x20of\x20Conduct\x20also\x20applies\x20outside\x20the\x20project\x20spaces\x20when\x20the\x20Project\x0aStewards\x20have\x20a\x20reasonable\x20belief\x20that\x20an\x20individual&rsquo;s\x20behavior\x20may\x20have\x20a\x0anegative\x20impact\x20on\x20the\x20project\x20or\x20its\x20community.</p>\x0a\x0a<h3\x20id=\"conflict-resolution\"></a>Conflict\x20Resolution</h3>\x0a\x0a<p>We\x20do\x20not\x20believe\x20that\x20all\x20conflict\x20is\x20bad;\x20healthy\x20debate\x20and\x20disagreement\x0aoften\x20yield\x20positive\x20results.\x20However,\x20it\x20is\x20never\x20okay\x20to\x20be\x20disrespectful\x20or\x0ato\x20engage\x20in\x20behavior\x20that\x20violates\x20the\x20project\xe2\x80\x99s\x20code\x20of\x20conduct.</p>\x0a\x0a<p>If\x20you\x20see\x20someone\x20violating\x20the\x20code\x20of\x20conduct,\x20you\x20are\x20encouraged\x20to\x20address\x0athe\x20behavior\x20directly\x20with\x20those\x20involved.\x20Many\x20issues\x20can\x20be\x20resolved\x20quickly\x0aand\x20easily,\x20and\x20this\x20gives\x20people\x20more\x20control\x20over\x20the\x20outcome\x20of\x20their\x0adispute.\x20If\x20you\x20are\x20unable\x20to\x20resolve\x20the\x20matter\x20for\x20any\x20reason,\x20or\x20if\x20the\x0abehavior\x20is\x20threatening\x20or\x20harassing,\x20report\x20it.\x20We\x20are\x20dedicated\x20to\x20providing\x0aan\x20environment\x20where\x20participants\x20feel\x20welcome\x20and\x20safe.</p>\x0a\x0a<p\x20id=\"reporting\">Reports\x20should\x20be\x20directed\x20to\x20Carmen\x20Andoh\x20and\x20Van\x20Riper,\x20the\x0aGo\x20Project\x20Stewards,\x20at\x20<i>conduct@golang.org</i>.\x0aIt\x20is\x20the\x20Project\x20Stewards\xe2\x80\x99\x20duty\x20to\x0areceive\x20and\x20address\x20reported\x20violations\x20of\x20the\x20code\x20of\x20conduct.\x20They\x20will\x20then\x0awork\x20with\x20a\x20committee\x20consisting\x20of\x20representatives\x20from\x20the\x20Open\x20Source\x0aPrograms\x20Office\x20and\x20the\x20Google\x20Open\x20Source\x20Strategy\x20team.\x20If\x20for\x20any\x20reason\x20you\x0aare\x20uncomfortable\x20reaching\x20out\x20the\x20Project\x20Stewards,\x20please\x20email\x0athe\x20Google\x20Open\x20Source\x20Programs\x20Office\x20at\x20<i>opensource@google.com</i>.</p>\x0a\x0a<p>We\x20will\x20investigate\x20every\x20complaint,\x20but\x20you\x20may\x20not\x20receive\x20a\x20direct\x20response.\x0aWe\x20will\x20use\x20our\x20discretion\x20in\x20determining\x20when\x20and\x20how\x20to\x20follow\x20up\x20on\x20reported\x0aincidents,\x20which\x20may\x20range\x20from\x20not\x20taking\x20action\x20to\x20permanent\x20expulsion\x20from\x0athe\x20project\x20and\x20project-sponsored\x20spaces.\x20We\x20will\x20notify\x20the\x20accused\x20of\x20the\x0areport\x20and\x20provide\x20them\x20an\x20opportunity\x20to\x20discuss\x20it\x20before\x20any\x20action\x20is\x20taken.\x0aThe\x20identity\x20of\x20the\x20reporter\x20will\x20be\x20omitted\x20from\x20the\x20details\x20of\x20the\x20report\x0asupplied\x20to\x20the\x20accused.\x20In\x20potentially\x20harmful\x20situations,\x20such\x20as\x20ongoing\x0aharassment\x20or\x20threats\x20to\x20anyone&rsquo;s\x20safety,\x20we\x20may\x20take\x20action\x20without\x20notice.</p>\x0a\x0a<h3\x20id=\"attribution\">Attribution</h3>\x0a\x0a<p>This\x20Code\x20of\x20Conduct\x20is\x20adapted\x20from\x20the\x20Contributor\x20Covenant,\x20version\x201.4,\x0aavailable\x20at\x0a<a\x20href=\"https://www.contributor-covenant.org/version/1/4/code-of-conduct.html\">https://www.contributor-covenant.org/version/1/4/code-of-conduct.html</a></p>\x0a\x0a<h2\x20id=\"summary\">Summary</h2>\x0a\x0a<ul>\x0a<li>Treat\x20everyone\x20with\x20respect\x20and\x20kindness.\x0a<li>Be\x20thoughtful\x20in\x20how\x20you\x20communicate.\x0a<li>Don\xe2\x80\x99t\x20be\x20destructive\x20or\x20inflammatory.\x0a<li>If\x20you\x20encounter\x20an\x20issue,\x20please\x20mail\x20<a\x20href=\"mailto:conduct@golang.org\">conduct@golang.org</a>.\x0a</ul>\x0a",