content,internal: change wording for "latest major" to "highest"

At the moment, the word "latest" is overloaded between latest major and
latest minor. Instead, use "highest" when referencing major versions.

Change-Id: I24f7f26bcff99c2d89b55faa38dbcef62a74d1a1
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/264325
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/content/static/html/helpers/_unit_header.tmpl b/content/static/html/helpers/_unit_header.tmpl
index 95a3eb1..62fe8e6 100644
--- a/content/static/html/helpers/_unit_header.tmpl
+++ b/content/static/html/helpers/_unit_header.tmpl
@@ -39,7 +39,7 @@
       <div class="UnitHeader-versionBanner $$GODISCOVERY_LATESTMAJORCLASS$$">
         <img height="19px" width="16px" class="UnitHeader-detailIcon" src="/static/img/pkg-icon-info_19x16.svg" alt="">
         <span>
-          The latest major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
+          The highest tagged major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
         </span>
       </div>
       <div class="js-fixedHeaderSentinel"></div>
diff --git a/content/static/html/pages/details.tmpl b/content/static/html/pages/details.tmpl
index f50e1a0..22b890e 100644
--- a/content/static/html/pages/details.tmpl
+++ b/content/static/html/pages/details.tmpl
@@ -65,7 +65,7 @@
         <rect x="192" y="106.667" width="42.667" height="42.667"/>
       </svg>
       <p>
-        The latest major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
+        The highest tagged major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
       </p>
     </div>
     <div class="DetailsHeader-infoLabel">
diff --git a/internal/middleware/latestversion_test.go b/internal/middleware/latestversion_test.go
index 0a1abd5..e83f7f2 100644
--- a/internal/middleware/latestversion_test.go
+++ b/internal/middleware/latestversion_test.go
@@ -174,14 +174,14 @@
 				<div class="DetailsHeader-banner$$GODISCOVERY_LATESTMAJORCLASS$$">
 					 data-version="v1.0.0" data-mpath="foo.com/bar" data-ppath="foo.com/bar/far" data-pagetype="pkg">
 					<p>
-						The latest major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
+						The highest tagged major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
 					</p>
 				</div>`,
 			want: `
 				<div class="DetailsHeader-banner">
 					 data-version="v1.0.0" data-mpath="foo.com/bar" data-ppath="foo.com/bar/far" data-pagetype="pkg">
 					<p>
-						The latest major version is <a href="/foo.com/bar/v3">v3</a>.
+						The highest tagged major version is <a href="/foo.com/bar/v3">v3</a>.
 					</p>
 				</div>`,
 		},
@@ -197,14 +197,14 @@
 				<div class="DetailsHeader-banner$$GODISCOVERY_LATESTMAJORCLASS$$">
 					 data-version="v3.0.0" data-mpath="foo.com/bar/v3" data-ppath="foo.com/bar/far" data-pagetype="pkg">
 					<p>
-						The latest major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
+						The highest tagged major version is <a href="/$$GODISCOVERY_LATESTMAJORVERSIONURL$$">$$GODISCOVERY_LATESTMAJORVERSION$$</a>.
 					</p>
 				</div>`,
 			want: `
 				<div class="DetailsHeader-banner DetailsHeader-banner--latest">
 					 data-version="v3.0.0" data-mpath="foo.com/bar/v3" data-ppath="foo.com/bar/far" data-pagetype="pkg">
 					<p>
-						The latest major version is <a href="/foo.com/bar/v3">v3</a>.
+						The highest tagged major version is <a href="/foo.com/bar/v3">v3</a>.
 					</p>
 				</div>`,
 		},