From 5ec91747d9f09be5b9088308b58945a585c68391 Mon Sep 17 00:00:00 2001
From: Andrew Bonventre <andybons@golang.org>
Date: Tue, 24 Oct 2017 20:45:43 +0000
Subject: [PATCH] Revert "godoc: accessible permalinks"

This reverts commit f57adc18217d779aa42266ea71a545827755a77b.

Reason for revert: See https://github.com/golang/go/issues/22171#issuecomment-339125376 for reasoning.

Change-Id: Ifd81ad716cf2acdf7a1d73602ac781186aca5596
Reviewed-on: https://go-review.googlesource.com/73150
Reviewed-by: Andrew Bonventre <andybons@golang.org>
---
 godoc/static/godocs.js    |  4 ++--
 godoc/static/package.html |  8 ++++----
 godoc/static/static.go    | 19 +++++++++++++------
 godoc/static/style.css    |  7 +++++++
 4 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/godoc/static/godocs.js b/godoc/static/godocs.js
index 19bc9353ed..09bf0e8022 100644
--- a/godoc/static/godocs.js
+++ b/godoc/static/godocs.js
@@ -180,7 +180,7 @@ function setupInlinePlayground() {
 			code.on('keyup', resize);
 			code.keyup(); // resize now.
 		};
-
+		
 		// If example already visible, set up playground now.
 		if ($(el).is(':visible')) {
 			setup();
@@ -314,7 +314,7 @@ function addPermalinks() {
       // Already attached.
       return;
     }
-    parent.append(" ").append($("<a class='permalink' title='permalink' aria-label='permalink'>&#xb6;</a>").attr("href", "#" + id));
+    parent.append(" ").append($("<a class='permalink'>&#xb6;</a>").attr("href", "#" + id));
   }
 
   $("#page .container").find("h2[id], h3[id]").each(function() {
diff --git a/godoc/static/package.html b/godoc/static/package.html
index 85c9ca3536..6dc88e6942 100644
--- a/godoc/static/package.html
+++ b/godoc/static/package.html
@@ -166,7 +166,7 @@
 			{{/* Name is a string - no need for FSet */}}
 			{{$name_html := html .Name}}
 			<h2 id="{{$name_html}}">func <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-				<a class="permalink" title="permalink" aria-label="permalink" href="#{{$name_html}}">&#xb6;</a>
+				<a class="permalink" href="#{{$name_html}}">&#xb6;</a>
 			</h2>
 			<pre>{{node_html $ .Decl true}}</pre>
 			{{comment_html .Doc}}
@@ -178,7 +178,7 @@
 			{{$tname := .Name}}
 			{{$tname_html := html .Name}}
 			<h2 id="{{$tname_html}}">type <a href="{{posLink_url $ .Decl}}">{{$tname_html}}</a>
-				<a class="permalink" title="permalink" aria-label="permalink" href="#{{$tname_html}}">&#xb6;</a>
+				<a class="permalink" href="#{{$tname_html}}">&#xb6;</a>
 			</h2>
 			{{comment_html .Doc}}
 			<pre>{{node_html $ .Decl true}}</pre>
@@ -200,7 +200,7 @@
 			{{range .Funcs}}
 				{{$name_html := html .Name}}
 				<h3 id="{{$name_html}}">func <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-					<a class="permalink" title="permalink" aria-label="permalink" href="#{{$name_html}}">&#xb6;</a>
+					<a class="permalink" href="#{{$name_html}}">&#xb6;</a>
 				</h3>
 				<pre>{{node_html $ .Decl true}}</pre>
 				{{comment_html .Doc}}
@@ -211,7 +211,7 @@
 			{{range .Methods}}
 				{{$name_html := html .Name}}
 				<h3 id="{{$tname_html}}.{{$name_html}}">func ({{html .Recv}}) <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-					<a class="permalink" title="permalink" aria-label="permalink" href="#{{$tname_html}}.{{$name_html}}">&#xb6;</a>
+					<a class="permalink" href="#{{$tname_html}}.{{$name_html}}">&#xb6;</a>
 				</h3>
 				<pre>{{node_html $ .Decl true}}</pre>
 				{{comment_html .Doc}}
diff --git a/godoc/static/static.go b/godoc/static/static.go
index e3c8d7fcb6..c16cc4fd4d 100644
--- a/godoc/static/static.go
+++ b/godoc/static/static.go
@@ -766,7 +766,7 @@ function setupInlinePlayground() {
 			code.on('keyup', resize);
 			code.keyup(); // resize now.
 		};
-
+		
 		// If example already visible, set up playground now.
 		if ($(el).is(':visible')) {
 			setup();
@@ -900,7 +900,7 @@ function addPermalinks() {
       // Already attached.
       return;
     }
-    parent.append(" ").append($("<a class='permalink' title='permalink' aria-label='permalink'>&#xb6;</a>").attr("href", "#" + id));
+    parent.append(" ").append($("<a class='permalink'>&#xb6;</a>").attr("href", "#" + id));
   }
 
   $("#page .container").find("h2[id], h3[id]").each(function() {
@@ -1789,7 +1789,7 @@ function cgAddChild(tree, ul, cgn) {
 			{{/* Name is a string - no need for FSet */}}
 			{{$name_html := html .Name}}
 			<h2 id="{{$name_html}}">func <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-				<a class="permalink" title="permalink" aria-label="permalink" href="#{{$name_html}}">&#xb6;</a>
+				<a class="permalink" href="#{{$name_html}}">&#xb6;</a>
 			</h2>
 			<pre>{{node_html $ .Decl true}}</pre>
 			{{comment_html .Doc}}
@@ -1801,7 +1801,7 @@ function cgAddChild(tree, ul, cgn) {
 			{{$tname := .Name}}
 			{{$tname_html := html .Name}}
 			<h2 id="{{$tname_html}}">type <a href="{{posLink_url $ .Decl}}">{{$tname_html}}</a>
-				<a class="permalink" title="permalink" aria-label="permalink" href="#{{$tname_html}}">&#xb6;</a>
+				<a class="permalink" href="#{{$tname_html}}">&#xb6;</a>
 			</h2>
 			{{comment_html .Doc}}
 			<pre>{{node_html $ .Decl true}}</pre>
@@ -1823,7 +1823,7 @@ function cgAddChild(tree, ul, cgn) {
 			{{range .Funcs}}
 				{{$name_html := html .Name}}
 				<h3 id="{{$name_html}}">func <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-					<a class="permalink" title="permalink" aria-label="permalink" href="#{{$name_html}}">&#xb6;</a>
+					<a class="permalink" href="#{{$name_html}}">&#xb6;</a>
 				</h3>
 				<pre>{{node_html $ .Decl true}}</pre>
 				{{comment_html .Doc}}
@@ -1834,7 +1834,7 @@ function cgAddChild(tree, ul, cgn) {
 			{{range .Methods}}
 				{{$name_html := html .Name}}
 				<h3 id="{{$tname_html}}.{{$name_html}}">func ({{html .Recv}}) <a href="{{posLink_url $ .Decl}}">{{$name_html}}</a>
-					<a class="permalink" title="permalink" aria-label="permalink" href="#{{$tname_html}}.{{$name_html}}">&#xb6;</a>
+					<a class="permalink" href="#{{$tname_html}}.{{$name_html}}">&#xb6;</a>
 				</h3>
 				<pre>{{node_html $ .Decl true}}</pre>
 				{{comment_html .Doc}}
@@ -2937,6 +2937,13 @@ a:hover,
 	text-decoration: none;
 }
 
+.permalink {
+	display: none;
+}
+:hover > .permalink {
+	display: inline;
+}
+
 p, li {
 	max-width: 800px;
 	word-wrap: break-word;
diff --git a/godoc/static/style.css b/godoc/static/style.css
index 752d03bb54..6367b61e1c 100644
--- a/godoc/static/style.css
+++ b/godoc/static/style.css
@@ -60,6 +60,13 @@ a:hover,
 	text-decoration: none;
 }
 
+.permalink {
+	display: none;
+}
+:hover > .permalink {
+	display: inline;
+}
+
 p, li {
 	max-width: 800px;
 	word-wrap: break-word;