Auto merge of #91203 - GuillaumeGomez:rollup-kwtqvb1, r=GuillaumeGomez

Rollup of 7 pull requests

Successful merges:

 - #89542 (Partially stabilize `duration_consts_2`)
 - #90044 (Restrict aarch64 outline atomics to glibc for now.)
 - #90420 (Create rustdoc_internals feature gate)
 - #91075 (Reduce prominence of item-infos)
 - #91151 (Fix test in std::process on android)
 - #91179 (Fix more <a> color)
 - #91199 (rustdoc: Add test for mixing doc comments and attrs)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

src/librustdoc/html/render/mod.rs

@@ -682,7 +682,7 @@ fn short_item_info(
 
     // Render unstable items. But don't render "rustc_private" crates (internal compiler crates).
     // Those crates are permanently unstable so it makes no sense to render "unstable" everywhere.
-    if let Some((StabilityLevel::Unstable { reason, issue, .. }, feature)) = item
+    if let Some((StabilityLevel::Unstable { reason: _, issue, .. }, feature)) = item
         .stability(cx.tcx())
         .as_ref()
         .filter(|stab| stab.feature != sym::rustc_private)
@@ -702,22 +702,6 @@ fn short_item_info(
 
         message.push_str(&format!(" ({})", feature));
 
-        if let Some(unstable_reason) = reason {
-            let mut ids = cx.id_map.borrow_mut();
-            message = format!(
-                "<details><summary>{}</summary>{}</details>",
-                message,
-                MarkdownHtml(
-                    &unstable_reason.as_str(),
-                    &mut ids,
-                    error_codes,
-                    cx.shared.edition(),
-                    &cx.shared.playground,
-                )
-                .into_string()
-            );
-        }
-
         extra_info.push(format!("<div class=\"stab unstable\">{}</div>", message));
     }
 

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

@@ -964,8 +964,6 @@ body.blur > :not(#help) {
 	display: table;
 }
 .stab {
-	border-width: 1px;
-	border-style: solid;
 	padding: 3px;
 	margin-bottom: 5px;
 	font-size: 90%;
@@ -976,7 +974,7 @@ body.blur > :not(#help) {
 }
 
 .stab .emoji {
-	font-size: 1.5em;
+	font-size: 1.2em;
 }
 
 /* Black one-pixel outline around emoji shapes */

src/librustdoc/html/static/css/themes/ayu.css

@@ -218,6 +218,8 @@ a {
 }
 a.srclink,
 a#toggle-all-docs,
+a.anchor,
+.section-header a,
 #source-sidebar a,
 pre.rust a,
 .sidebar a,

src/librustdoc/html/static/css/themes/dark.css

@@ -180,6 +180,8 @@ a {
 }
 a.srclink,
 a#toggle-all-docs,
+a.anchor,
+.section-header a,
 #source-sidebar a,
 pre.rust a,
 .sidebar a,

src/librustdoc/html/static/css/themes/light.css

@@ -175,6 +175,8 @@ a {
 }
 a.srclink,
 a#toggle-all-docs,
+a.anchor,
+.section-header a,
 #source-sidebar a,
 pre.rust a,
 .sidebar a,