Unify headings indent and remove useless anchor

Author: GuillaumeGomez

src/librustdoc/html/markdown.rs

@@ -565,7 +565,7 @@ impl<'a, 'b, 'ids, I: Iterator<Item = SpannedEvent<'a>>> Iterator
             self.buf.push_back((Event::Html(format!("</a></h{}>", level).into()), 0..0));
 
             let start_tags = format!(
-                "<h{level} id=\"{id}\" class=\"section-header\">\
+                "<h{level} id=\"{id}\">\
                     <a href=\"#{id}\">",
                 id = id,
                 level = level

src/librustdoc/html/markdown/tests.rs

@@ -161,23 +161,23 @@ fn test_header() {
 
     t(
         "# Foo bar",
-        "<h2 id=\"foo-bar\" class=\"section-header\"><a href=\"#foo-bar\">Foo bar</a></h2>",
+        "<h2 id=\"foo-bar\"><a href=\"#foo-bar\">Foo bar</a></h2>",
     );
     t(
         "## Foo-bar_baz qux",
-        "<h3 id=\"foo-bar_baz-qux\" class=\"section-header\">\
+        "<h3 id=\"foo-bar_baz-qux\">\
          <a href=\"#foo-bar_baz-qux\">Foo-bar_baz qux</a></h3>",
     );
     t(
         "### **Foo** *bar* baz!?!& -_qux_-%",
-        "<h4 id=\"foo-bar-baz--qux-\" class=\"section-header\">\
+        "<h4 id=\"foo-bar-baz--qux-\">\
             <a href=\"#foo-bar-baz--qux-\"><strong>Foo</strong> \
             <em>bar</em> baz!?!&amp; -<em>qux</em>-%</a>\
          </h4>",
     );
     t(
         "#### **Foo?** & \\*bar?!*  _`baz`_ ❤ #qux",
-        "<h5 id=\"foo--bar--baz--qux\" class=\"section-header\">\
+        "<h5 id=\"foo--bar--baz--qux\">\
              <a href=\"#foo--bar--baz--qux\"><strong>Foo?</strong> &amp; *bar?!*  \
              <em><code>baz</code></em> ❤ #qux</a>\
          </h5>",
@@ -204,32 +204,32 @@ fn test_header_ids_multiple_blocks() {
     t(
         &mut map,
         "# Example",
-        "<h2 id=\"example\" class=\"section-header\"><a href=\"#example\">Example</a></h2>",
+        "<h2 id=\"example\"><a href=\"#example\">Example</a></h2>",
     );
     t(
         &mut map,
         "# Panics",
-        "<h2 id=\"panics\" class=\"section-header\"><a href=\"#panics\">Panics</a></h2>",
+        "<h2 id=\"panics\"><a href=\"#panics\">Panics</a></h2>",
     );
     t(
         &mut map,
         "# Example",
-        "<h2 id=\"example-1\" class=\"section-header\"><a href=\"#example-1\">Example</a></h2>",
+        "<h2 id=\"example-1\"><a href=\"#example-1\">Example</a></h2>",
     );
     t(
         &mut map,
         "# Search",
-        "<h2 id=\"search-1\" class=\"section-header\"><a href=\"#search-1\">Search</a></h2>",
+        "<h2 id=\"search-1\"><a href=\"#search-1\">Search</a></h2>",
     );
     t(
         &mut map,
         "# Example",
-        "<h2 id=\"example-2\" class=\"section-header\"><a href=\"#example-2\">Example</a></h2>",
+        "<h2 id=\"example-2\"><a href=\"#example-2\">Example</a></h2>",
     );
     t(
         &mut map,
         "# Panics",
-        "<h2 id=\"panics-1\" class=\"section-header\"><a href=\"#panics-1\">Panics</a></h2>",
+        "<h2 id=\"panics-1\"><a href=\"#panics-1\">Panics</a></h2>",
     );
 }
 

src/librustdoc/html/render/mod.rs

@@ -2567,7 +2567,7 @@ fn render_call_locations(w: &mut Buffer, cx: &Context<'_>, item: &clean::Item) {
         w,
         "<div class=\"docblock scraped-example-list\">\
           <span></span>\
-          <h5 id=\"{id}\" class=\"section-header\">\
+          <h5 id=\"{id}\">\
              <a href=\"#{id}\">Examples found in repository</a>\
           </h5>",
         id = id

src/librustdoc/html/static/css/rustdoc.css

@@ -1141,16 +1141,6 @@ a.test-arrow {
 a.test-arrow:hover{
 	text-decoration: none;
 }
-.section-header:hover a:before {
-	position: absolute;
-	left: -25px;
-	padding-right: 10px; /* avoid gap that causes hover to disappear */
-	content: '\2002\00a7\2002';
-}
-
-.section-header:hover a {
-	text-decoration: none;
-}
 
 .code-attribute {
 	font-weight: 300;
@@ -1196,17 +1186,6 @@ h3.variant {
 	margin-top: 3px;
 }
 
-.top-doc .docblock > .section-header:first-child {
-	margin-left: 15px;
-}
-.top-doc .docblock > .section-header:first-child:hover > a:before {
-	left: -10px;
-}
-
-.docblock > .section-header:first-child {
-	margin-top: 0;
-}
-
 :target > code, :target > .code-header {
 	opacity: 1;
 }