Improve display of the separation between page items and siblings in the sidebar

src/librustdoc/html/render/mod.rs

@@ -1738,7 +1738,7 @@ fn print_sidebar(cx: &Context<'_>, it: &clean::Item, buffer: &mut Buffer) {
     // to navigate the documentation (though slightly inefficiently).
 
     if !it.is_mod() {
-        buffer.write_str("<p class=\"location\">");
+        buffer.write_str("<p class=\"location\">Other items in<br>");
         for (i, name) in cx.current.iter().take(parentlen).enumerate() {
             if i > 0 {
                 buffer.write_str("::<wbr>");

src/librustdoc/html/static/rustdoc.css

@@ -304,9 +304,12 @@ nav.sub {
 	border: none;
 }
 
-.location a:first-child {
+.location a:first-of-type {
 	font-weight: 500;
 }
+.location a:hover {
+	text-decoration: underline;
+}
 
 .block {
 	padding: 0;