Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 295 insertions, 466 deletions

diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index afcb40224..a93f60da2 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -76,8 +76,6 @@
 }
 
 * {
-	-webkit-box-sizing: border-box;
-	-moz-box-sizing: border-box;
 	box-sizing: border-box;
 }
 
@@ -110,11 +108,7 @@ body {
 	/* Then override it with `anywhere`, which is required to make non-Safari browsers break
 	   more aggressively when we want them to. */
 	overflow-wrap: anywhere;
-
-	-webkit-font-feature-settings: "kern", "liga";
-	-moz-font-feature-settings: "kern", "liga";
 	font-feature-settings: "kern", "liga";
-
 	background-color: var(--main-background-color);
 	color: var(--main-color);
 }
@@ -145,7 +139,7 @@ h1, h2, h3, h4 {
 .docblock > h6:first-child {
 	margin-top: 0;
 }
-h1.fqn {
+.main-heading h1 {
 	margin: 0;
 	padding: 0;
 	flex-grow: 1;
@@ -212,7 +206,7 @@ pre.rust a,
 .mobile-topbar h2 a,
 h1 a,
 .search-results a,
-.item-left .stab,
+.stab,
 .result-name .primitive > i, .result-name .keyword > i {
 	color: var(--main-color);
 }
@@ -259,6 +253,7 @@ h1 a,
 
 a {
 	color: var(--link-color);
+	text-decoration: none;
 }
 
 ol, ul {
@@ -322,11 +317,7 @@ main {
 	margin-right: auto;
 }
 
-.source .width-limiter {
-	max-width: unset;
-}
-
-details:not(.rustdoc-toggle) summary {
+details:not(.toggle) summary {
 	margin-bottom: .6em;
 }
 
@@ -342,26 +333,35 @@ code, pre, a.test-arrow, .code-header {
 }
 pre {
 	padding: 14px;
+	line-height: 1.5; /* https://github.com/rust-lang/rust/issues/105906 */
 }
 .item-decl pre {
 	overflow-x: auto;
 }
+/* This rule allows to have scrolling on the X axis. */
+.item-decl .type-contents-toggle {
+	contain: initial;
+}
 
 .source .content pre {
 	padding: 20px;
 }
+.rustdoc.source .example-wrap > pre.src-line-numbers  {
+	padding: 20px 0 20px 4px;
+}
 
 img {
 	max-width: 100%;
 }
 
-.source .content {
-	overflow: visible;
-}
-
 .sub-logo-container, .logo-container {
 	/* zero text boxes so that computed line height = image height exactly */
 	line-height: 0;
+	display: block;
+}
+
+.sub-logo-container {
+	margin-right: 32px;
 }
 
 .sub-logo-container > img {
@@ -374,10 +374,6 @@ img {
 	filter: var(--rust-logo-filter);
 }
 
-.sidebar, .mobile-topbar, .sidebar-menu-toggle {
-	background-color: var(--sidebar-background-color);
-}
-
 .sidebar {
 	font-size: 0.875rem;
 	flex: 0 0 200px;
@@ -396,15 +392,16 @@ img {
 	overflow-y: hidden;
 }
 
-.source .sidebar, #sidebar-toggle, #source-sidebar {
+.sidebar, .mobile-topbar, .sidebar-menu-toggle,
+#src-sidebar-toggle, #source-sidebar {
 	background-color: var(--sidebar-background-color);
 }
 
-#sidebar-toggle > button:hover, #sidebar-toggle > button:focus {
+#src-sidebar-toggle > button:hover, #src-sidebar-toggle > button:focus {
 	background-color: var(--sidebar-background-color-hover);
 }
 
-.source .sidebar > *:not(#sidebar-toggle) {
+.source .sidebar > *:not(#src-sidebar-toggle) {
 	visibility: hidden;
 }
 
@@ -413,7 +410,7 @@ img {
 	flex-basis: 300px;
 }
 
-.source-sidebar-expanded .source .sidebar > *:not(#sidebar-toggle) {
+.source-sidebar-expanded .source .sidebar > *:not(#src-sidebar-toggle) {
 	visibility: visible;
 }
 
@@ -500,11 +497,11 @@ ul.block, .block li {
 	padding-left: 24px;
 }
 
-.sidebar a, .sidebar .current {
+.sidebar a {
 	color: var(--sidebar-link-color);
 }
 .sidebar .current,
-.sidebar a:hover {
+.sidebar a:hover:not(.logo-container) {
 	background-color: var(--sidebar-current-link-background-color);
 }
 
@@ -522,11 +519,6 @@ ul.block, .block li {
 	display: none;
 }
 
-.source .content pre.rust {
-	overflow: auto;
-	padding-left: 0;
-}
-
 .rustdoc .example-wrap {
 	display: flex;
 	position: relative;
@@ -547,29 +539,26 @@ ul.block, .block li {
 .rustdoc .example-wrap > pre.example-line-numbers,
 .rustdoc .example-wrap > pre.src-line-numbers {
 	flex-grow: 0;
+	min-width: fit-content; /* prevent collapsing into nothing in truncated scraped examples */
 	overflow: initial;
 	text-align: right;
 	-webkit-user-select: none;
-	-moz-user-select: none;
-	-ms-user-select: none;
 	user-select: none;
+	padding: 14px 8px;
+	color: var(--src-line-numbers-span-color);
 }
 
-.example-line-numbers {
-	border: 1px solid;
-	padding: 13px 8px;
-	border-top-left-radius: 5px;
-	border-bottom-left-radius: 5px;
-	border-color: var(--example-line-numbers-border-color);
+.rustdoc .example-wrap > pre.src-line-numbers {
+	padding: 14px 0;
 }
-
 .src-line-numbers a, .src-line-numbers span {
 	color: var(--src-line-numbers-span-color);
+	padding: 0 8px;
 }
 .src-line-numbers :target {
 	background-color: transparent;
 	border-right: none;
-	padding-right: 0;
+	padding: 0 8px;
 }
 .src-line-numbers .line-highlighted {
 	background-color: var(--src-line-number-highlighted-background-color);
@@ -582,12 +571,10 @@ ul.block, .block li {
 .docblock-short {
 	overflow-wrap: break-word;
 	overflow-wrap: anywhere;
-	overflow: hidden;
-	text-overflow: ellipsis;
 }
 /* Wrap non-pre code blocks (`text`) but not (```text```). */
-.docblock > :not(pre) > code,
-.docblock-short > code {
+.docblock :not(pre) > code,
+.docblock-short code {
 	white-space: pre-wrap;
 }
 
@@ -679,13 +666,6 @@ nav.sub {
 .source nav.sub {
 	margin: 0 0 15px 0;
 }
-.source .search-form {
-	margin-left: 32px;
-}
-
-a {
-	text-decoration: none;
-}
 
 .small-section-header {
 	/* fields use <span> tags, but should get their own lines */
@@ -693,14 +673,10 @@ a {
 	position: relative;
 }
 
-.small-section-header:hover > .anchor {
+.small-section-header:hover > .anchor, .impl:hover > .anchor,
+.trait-impl:hover > .anchor, .variant:hover > .anchor {
 	display: initial;
 }
-
-.impl:hover > .anchor, .trait-impl:hover > .anchor, .variant:hover > .anchor {
-	display: inline-block;
-	position: absolute;
-}
 .anchor {
 	display: none;
 	position: absolute;
@@ -731,7 +707,7 @@ h2.small-section-header > .anchor {
 
 /*  In most contexts we use `overflow-wrap: anywhere` to ensure that we can wrap
 	as much as needed on mobile (see
-	src/test/rustdoc-gui/type-declaration-overflow.goml for an example of why
+	tests/rustdoc-gui/type-declaration-overflow.goml for an example of why
 	this matters). The `anywhere` value means:
 
 	"Soft wrap opportunities introduced by the word break are considered when
@@ -903,10 +879,11 @@ so that we can apply CSS-filters to change the arrow color in themes */
 	top: 100%;
 	right: 0;
 	z-index: 2;
-	display: block;
 	margin-top: 7px;
 	border-radius: 3px;
 	border: 1px solid var(--border-color);
+	background-color: var(--main-background-color);
+	color: var(--main-color);
 	--popover-arrow-offset: 11px;
 }
 
@@ -917,16 +894,12 @@ so that we can apply CSS-filters to change the arrow color in themes */
 	right: var(--popover-arrow-offset);
 	border: solid var(--border-color);
 	border-width: 1px 1px 0 0;
+	background-color: var(--main-background-color);
 	padding: 4px;
 	transform: rotate(-45deg);
 	top: -5px;
 }
 
-.popover, .popover::before {
-	background-color: var(--main-background-color);
-	color: var(--main-color);
-}
-
 /* use larger max-width for help popover, but not for help.html */
 #help.popover {
 	max-width: 600px;
@@ -960,22 +933,29 @@ so that we can apply CSS-filters to change the arrow color in themes */
 }
 
 .item-info .stab {
-	width: fit-content;
 	/* This min-height is needed to unify the height of the stab elements because some of them
 	   have emojis.
 	*/
 	min-height: 36px;
 	display: flex;
-	align-items: center;
-	white-space: pre-wrap;
-}
-.stab {
 	padding: 3px;
 	margin-bottom: 5px;
+}
+.item-left .stab {
+	margin-left: 0.3125em;
+}
+.stab {
+	padding: 0 2px;
 	font-size: 0.875rem;
 	font-weight: normal;
 	color: var(--main-color);
 	background-color: var(--stab-background-color);
+	width: fit-content;
+	align-items: center;
+	white-space: pre-wrap;
+	border-radius: 3px;
+	display: inline-flex;
+	vertical-align: text-bottom;
 }
 
 .stab.portability > code {
@@ -988,12 +968,6 @@ so that we can apply CSS-filters to change the arrow color in themes */
 	margin-right: 0.3rem;
 }
 
-/* This is to prevent the `.stab` elements to overflow the .docblock elements. */
-.docblock .stab {
-	padding: 0 0.125em;
-	margin-bottom: 0;
-}
-
 /* Black one-pixel outline around emoji shapes */
 .emoji {
 	text-shadow:
@@ -1003,16 +977,6 @@ so that we can apply CSS-filters to change the arrow color in themes */
 		0 -1px 0 black;
 }
 
-.item-left .stab {
-	border-radius: 3px;
-	display: inline-block;
-	line-height: 1.2;
-	margin-bottom: 0;
-	margin-left: 0.3125em;
-	padding: 2px;
-	vertical-align: text-bottom;
-}
-
 .module-item.unstable,
 .import-item.unstable {
 	opacity: 0.65;
@@ -1084,6 +1048,10 @@ pre.rust .doccomment {
 	color: var(--code-highlight-doc-comment-color);
 }
 
+.rustdoc.source .example-wrap pre.rust a {
+	background: var(--codeblock-link-background);
+}
+
 .example-wrap.compile_fail,
 .example-wrap.should_panic {
 	border-left: 2px solid var(--codeblock-error-color);
@@ -1127,9 +1095,7 @@ pre.rust .doccomment {
 	top: 5px;
 }
 
-.example-wrap .tooltip::after {
-	display: none;
-	text-align: center;
+.example-wrap .tooltip:hover::after {
 	padding: 5px 3px 3px 3px;
 	border-radius: 6px;
 	margin-left: 5px;
@@ -1143,35 +1109,30 @@ pre.rust .doccomment {
 	color: var(--tooltip-color);
 }
 
-.example-wrap .tooltip::before {
+.example-wrap .tooltip:hover::before {
 	content: " ";
 	position: absolute;
 	top: 50%;
 	left: 16px;
 	margin-top: -5px;
-	display: none;
 	z-index: 1;
 	border: 5px solid transparent;
 	border-right-color: var(--tooltip-background-color);
 }
 
-.example-wrap.ignore .tooltip::after {
+.example-wrap.ignore .tooltip:hover::after {
 	content: "This example is not tested";
 }
-.example-wrap.compile_fail .tooltip::after {
+.example-wrap.compile_fail .tooltip:hover::after {
 	content: "This example deliberately fails to compile";
 }
-.example-wrap.should_panic .tooltip::after {
+.example-wrap.should_panic .tooltip:hover::after {
 	content: "This example panics";
 }
-.example-wrap.edition .tooltip::after {
+.example-wrap.edition .tooltip:hover::after {
 	content: "This code runs with edition " attr(data-edition);
 }
 
-.example-wrap .tooltip:hover::before, .example-wrap .tooltip:hover::after {
-	display: inline;
-}
-
 .example-wrap.compile_fail .tooltip,
 .example-wrap.should_panic .tooltip,
 .example-wrap.ignore .tooltip {
@@ -1253,11 +1214,11 @@ a.test-arrow:hover {
 	content: "\00a0";
 }
 
-.notable .docblock {
+.notable .content {
 	margin: 0.25em 0.5em;
 }
 
-.notable .docblock pre, .notable .docblock code {
+.notable .content pre, .notable .content code {
 	background: transparent;
 	margin: 0;
 	padding: 0;
@@ -1265,6 +1226,10 @@ a.test-arrow:hover {
 	white-space: pre-wrap;
 }
 
+.notable .content > h3:first-child {
+	margin: 0 0 5px 0;
+}
+
 .search-failed {
 	text-align: center;
 	margin-top: 20px;
@@ -1282,14 +1247,14 @@ a.test-arrow:hover {
 	margin-right: auto;
 }
 
-#titles {
+#search-tabs {
 	display: flex;
 	flex-direction: row;
 	gap: 1px;
 	margin-bottom: 4px;
 }
 
-#titles > button {
+#search-tabs button {
 	text-align: center;
 	font-size: 1.125rem;
 	border: 0;
@@ -1299,12 +1264,12 @@ a.test-arrow:hover {
 	color: inherit;
 }
 
-#titles > button > div.count {
-	display: inline-block;
+#search-tabs .count {
 	font-size: 1rem;
+	color: var(--search-tab-title-count-color);
 }
 
-#sidebar-toggle {
+#src-sidebar-toggle {
 	position: sticky;
 	top: 0;
 	left: 0;
@@ -1333,7 +1298,7 @@ a.test-arrow:hover {
 #source-sidebar div.files > a.selected {
 	background-color: var(--source-sidebar-background-selected);
 }
-#sidebar-toggle > button {
+#src-sidebar-toggle > button {
 	font-size: inherit;
 	font-weight: bold;
 	background: none;
@@ -1346,15 +1311,11 @@ a.test-arrow:hover {
 	-webkit-appearance: none;
 	opacity: 1;
 }
+
 #settings-menu, #help-button {
 	margin-left: 4px;
 	display: flex;
 }
-
-#settings-menu > a, #help-button > a, #copy-path {
-	width: 33px;
-}
-
 #settings-menu > a, #help-button > a {
 	display: flex;
 	align-items: center;
@@ -1366,6 +1327,7 @@ a.test-arrow:hover {
 	/* Rare exception to specifying font sizes in rem. Since this is acting
 	   as an icon, it's okay to specify their sizes in pixels. */
 	font-size: 20px;
+	width: 33px;
 }
 
 #settings-menu > a:hover, #settings-menu > a:focus,
@@ -1381,6 +1343,7 @@ a.test-arrow:hover {
 	padding: 0;
 	padding-left: 2px;
 	border: 0;
+	width: 33px;
 }
 #copy-path > img {
 	filter: var(--copy-path-img-filter);
@@ -1409,8 +1372,7 @@ kbd {
 	vertical-align: middle;
 	border: solid 1px var(--border-color);
 	border-radius: 3px;
-	cursor: default;
-	color: var(--kbd--color);
+	color: var(--kbd-color);
 	background-color: var(--kbd-background);
 	box-shadow: inset 0 -1px 0 var(--kbd-box-shadow-color);
 }
@@ -1423,31 +1385,10 @@ details.dir-entry {
 	padding-left: 4px;
 }
 
-details.dir-entry > summary::after {
-	content: " ►";
-	position: absolute;
-	left: -15px;
-	top: 0px;
-	font-size: 80%;
-	padding: 2px 0px;
-	/* set width to cover gap between arrow and text */
-	width: 25px;
-}
-
-details[open].dir-entry > summary::after {
-	content: " ▼";
-}
-
-details.dir-entry > summary::-webkit-details-marker,
-details.dir-entry > summary::marker {
-	display: none;
-}
-
 details.dir-entry > summary {
-	margin: 0 0 0 13px;
-	list-style: none;
+	margin: 0 0 0 -4px;
+	padding: 0 0 0 4px;
 	cursor: pointer;
-	position: relative;
 }
 
 details.dir-entry div.folders, details.dir-entry div.files {
@@ -1464,7 +1405,7 @@ details.dir-entry a {
 	Unfortunately we can't yet specify contain: content or contain: strict
 	because the [-]/[+] toggles extend past the boundaries of the <details>
 	https://developer.mozilla.org/en-US/docs/Web/CSS/contain */
-details.rustdoc-toggle {
+details.toggle {
 	contain: layout;
 	position: relative;
 }
@@ -1472,26 +1413,26 @@ details.rustdoc-toggle {
 /* The hideme class is used on summary tags that contain a span with
 	placeholder text shown only when the toggle is closed. For instance,
 	"Expand description" or "Show methods". */
-details.rustdoc-toggle > summary.hideme {
+details.toggle > summary.hideme {
 	cursor: pointer;
 	font-size: 1rem;
 }
 
-details.rustdoc-toggle > summary {
+details.toggle > summary {
 	list-style: none;
 	/* focus outline is shown on `::before` instead of this */
 	outline: none;
 }
-details.rustdoc-toggle > summary::-webkit-details-marker,
-details.rustdoc-toggle > summary::marker {
+details.toggle > summary::-webkit-details-marker,
+details.toggle > summary::marker {
 	display: none;
 }
 
-details.rustdoc-toggle > summary.hideme > span {
+details.toggle > summary.hideme > span {
 	margin-left: 9px;
 }
 
-details.rustdoc-toggle > summary::before {
+details.toggle > summary::before {
 	background: url("toggle-plus-1092eb4930d581b0.svg") no-repeat top left;
 	content: "";
 	cursor: pointer;
@@ -1503,14 +1444,14 @@ details.rustdoc-toggle > summary::before {
 	filter: var(--toggle-filter);
 }
 
-details.rustdoc-toggle > summary.hideme > span,
+details.toggle > summary.hideme > span,
 .more-examples-toggle summary, .more-examples-toggle .hide-more {
 	color: var(--toggles-color);
 }
 
 /* Screen readers see the text version at the end the line.
 	Visual readers see the icon at the start of the line, but small and transparent. */
-details.rustdoc-toggle > summary::after {
+details.toggle > summary::after {
 	content: "Expand";
 	overflow: hidden;
 	width: 0;
@@ -1518,17 +1459,17 @@ details.rustdoc-toggle > summary::after {
 	position: absolute;
 }
 
-details.rustdoc-toggle > summary.hideme::after {
+details.toggle > summary.hideme::after {
 	/* "hideme" toggles already have a description when they're contracted */
 	content: "";
 }
 
-details.rustdoc-toggle > summary:focus::before,
-details.rustdoc-toggle > summary:hover::before {
+details.toggle > summary:focus::before,
+details.toggle > summary:hover::before {
 	opacity: 1;
 }
 
-details.rustdoc-toggle > summary:focus-visible::before {
+details.toggle > summary:focus-visible::before {
 	/* The SVG is black, and gets turned white using a filter in the dark themes.
 	   Do the same with the outline.
 	   The dotted 1px style is copied from Firefox's focus ring style.
@@ -1541,17 +1482,17 @@ details.non-exhaustive {
 	margin-bottom: 8px;
 }
 
-details.rustdoc-toggle > summary.hideme::before {
+details.toggle > summary.hideme::before {
 	position: relative;
 }
 
-details.rustdoc-toggle > summary:not(.hideme)::before {
+details.toggle > summary:not(.hideme)::before {
 	position: absolute;
 	left: -24px;
 	top: 4px;
 }
 
-.impl-items > details.rustdoc-toggle > summary:not(.hideme)::before {
+.impl-items > details.toggle > summary:not(.hideme)::before {
 	position: absolute;
 	left: -24px;
 }
@@ -1561,19 +1502,19 @@ details.rustdoc-toggle > summary:not(.hideme)::before {
 	affect the layout of the items to its right. To do that, we use
 	absolute positioning. Note that we also set position: relative
 	on the parent <details> to make this work properly. */
-details.rustdoc-toggle[open] > summary.hideme {
+details.toggle[open] > summary.hideme {
 	position: absolute;
 }
 
-details.rustdoc-toggle[open] > summary.hideme > span {
+details.toggle[open] > summary.hideme > span {
 	display: none;
 }
 
-details.rustdoc-toggle[open] > summary::before {
+details.toggle[open] > summary::before {
 	background: url("toggle-minus-31bbd6e4c77f5c96.svg") no-repeat top left;
 }
 
-details.rustdoc-toggle[open] > summary::after {
+details.toggle[open] > summary::after {
 	content: "Collapse";
 }
 
@@ -1633,7 +1574,7 @@ in storage.js
 
 	/* Hide the logo and item name from the sidebar. Those are displayed
 	   in the mobile-topbar instead. */
-	.sidebar .sidebar-logo,
+	.sidebar .logo-container,
 	.sidebar .location {
 		display: none;
 	}
@@ -1662,14 +1603,10 @@ in storage.js
 
 	.sidebar.shown,
 	.source-sidebar-expanded .source .sidebar,
-	.sidebar:focus-within {
+	.rustdoc:not(.source) .sidebar:focus-within {
 		left: 0;
 	}
 
-	.rustdoc.source > .sidebar {
-		width: 0;
-	}
-
 	.mobile-topbar h2 {
 		padding-bottom: 0;
 		margin: auto 0.5em auto auto;
@@ -1719,30 +1656,25 @@ in storage.js
 		margin-top: 1em;
 	}
 
-	.content {
-		margin-left: 0px;
-	}
-
 	.anchor {
 		display: none !important;
 	}
 
-	#titles > button > div.count {
+	#search-tabs .count {
 		display: block;
 	}
 
-	#main-content > details.rustdoc-toggle > summary::before,
-	#main-content > div > details.rustdoc-toggle > summary::before {
+	#main-content > details.toggle > summary::before,
+	#main-content > div > details.toggle > summary::before {
 		left: -11px;
 	}
 
-	#sidebar-toggle {
+	#src-sidebar-toggle {
 		position: fixed;
 		left: 1px;
 		top: 100px;
 		width: 30px;
 		font-size: 1.5rem;
-		text-align: center;
 		padding: 0;
 		z-index: 10;
 		border-top-right-radius: 3px;
@@ -1751,7 +1683,7 @@ in storage.js
 		border-left: 0;
 	}
 
-	.source-sidebar-expanded #sidebar-toggle {
+	.source-sidebar-expanded #src-sidebar-toggle {
 		left: unset;
 		top: unset;
 		width: unset;
@@ -1787,12 +1719,12 @@ in storage.js
 	}
 
 	/* Position of the "[-]" element. */
-	details.rustdoc-toggle:not(.top-doc) > summary {
+	details.toggle:not(.top-doc) > summary {
 		margin-left: 10px;
 	}
-	.impl-items > details.rustdoc-toggle > summary:not(.hideme)::before,
-	#main-content > details.rustdoc-toggle:not(.top-doc) > summary::before,
-	#main-content > div > details.rustdoc-toggle > summary::before {
+	.impl-items > details.toggle > summary:not(.hideme)::before,
+	#main-content > details.toggle:not(.top-doc) > summary::before,
+	#main-content > div > details.toggle > summary::before {
 		left: -11px;
 	}
 
@@ -1825,8 +1757,8 @@ in storage.js
 
 @media print {
 	nav.sidebar, nav.sub, .out-of-band, a.srclink, #copy-path,
-	details.rustdoc-toggle[open] > summary::before, details.rustdoc-toggle > summary::before,
-	details.rustdoc-toggle.top-doc > summary {
+	details.toggle[open] > summary::before, details.toggle > summary::before,
+	details.toggle.top-doc > summary {
 		display: none;
 	}
 
@@ -1861,13 +1793,6 @@ in storage.js
 		height: 35px;
 		width: 35px;
 	}
-
-	#sidebar-toggle {
-		top: 10px;
-	}
-	.source-sidebar-expanded #sidebar-toggle {
-		top: unset;
-	}
 }
 
 .variant,
@@ -1875,23 +1800,24 @@ in storage.js
 .impl,
 #implementors-list > .docblock,
 .impl-items > section,
-.impl-items > .rustdoc-toggle > summary,
+.impl-items > .toggle > summary,
 .methods > section,
-.methods > .rustdoc-toggle > summary
+.methods > .toggle > summary
 {
 	margin-bottom: 0.75em;
 }
 
 .variants > .docblock,
-.impl-items > .rustdoc-toggle[open]:not(:last-child),
-.methods > .rustdoc-toggle[open]:not(:last-child),
+.implementors-toggle > .docblock,
+.impl-items > .toggle[open]:not(:last-child),
+.methods > .toggle[open]:not(:last-child),
 .implementors-toggle[open]:not(:last-child) {
 	margin-bottom: 2em;
 }
 
-#trait-implementations-list .impl-items > .rustdoc-toggle:not(:last-child),
-#synthetic-implementations-list .impl-items > .rustdoc-toggle:not(:last-child),
-#blanket-implementations-list .impl-items > .rustdoc-toggle:not(:last-child) {
+#trait-implementations-list .impl-items > .toggle:not(:last-child),
+#synthetic-implementations-list .impl-items > .toggle:not(:last-child),
+#blanket-implementations-list .impl-items > .toggle:not(:last-child) {
 	margin-bottom: 1em;
 }
 
@@ -1904,9 +1830,13 @@ in storage.js
 	font-size: 12px;
 	position: relative;
 	bottom: 1px;
-	border-width: 1px;
-	border-style: solid;
+	border: 1px solid var(--scrape-example-help-border-color);
 	border-radius: 50px;
+	color: var(--scrape-example-help-color);
+}
+.scraped-example-list .scrape-help:hover {
+	border-color: var(--scrape-example-help-hover-border-color);
+	color: var(--scrape-example-help-hover-color);
 }
 
 .scraped-example {
@@ -1982,21 +1912,8 @@ in storage.js
 	bottom: 0;
 }
 
-.scraped-example .code-wrapper .src-line-numbers {
-	margin: 0;
-	padding: 14px 0;
-}
-
-.scraped-example .code-wrapper .src-line-numbers a,
-.scraped-example .code-wrapper .src-line-numbers span {
-	padding: 0 14px;
-}
-
 .scraped-example .code-wrapper .example-wrap {
-	display: grid;
-	grid-template-columns: max-content auto;
 	width: 100%;
-	overflow-x: auto;
 	overflow-y: hidden;
 	margin-bottom: 0;
 }
@@ -2005,12 +1922,12 @@ in storage.js
 	overflow-x: hidden;
 }
 
-.scraped-example .code-wrapper .example-wrap pre.rust {
-	overflow-x: inherit;
-	width: inherit;
-	overflow-y: hidden;
+.scraped-example .example-wrap .rust span.highlight {
+	background: var(--scrape-example-code-line-highlight);
+}
+.scraped-example .example-wrap .rust span.highlight.focus {
+	background: var(--scrape-example-code-line-highlight-focus);
 }
-
 
 .more-examples-toggle {
 	max-width: calc(100% + 25px);
@@ -2020,25 +1937,19 @@ in storage.js
 
 .more-examples-toggle .hide-more {
 	margin-left: 25px;
-	margin-bottom: 5px;
 	cursor: pointer;
 }
 
 .more-scraped-examples {
-	margin-left: 5px;
-	display: flex;
-	flex-direction: row;
-}
-
-.more-scraped-examples-inner {
-	/* 20px is width of toggle-line + toggle-line-inner */
-	width: calc(100% - 20px);
+	margin-left: 25px;
+	position: relative;
 }
 
 .toggle-line {
-	align-self: stretch;
-	margin-right: 10px;
-	margin-top: 5px;
+	position: absolute;
+	top: 5px;
+	bottom: 0;
+	right: calc(100% + 10px);
 	padding: 0 4px;
 	cursor: pointer;
 }
@@ -2046,18 +1957,19 @@ in storage.js
 .toggle-line-inner {
 	min-width: 2px;
 	height: 100%;
+	background: var(--scrape-example-toggle-line-background);
 }
 
-.more-scraped-examples .scraped-example {
-	margin-bottom: 20px;
+.toggle-line:hover .toggle-line-inner {
+	background: var(--scrape-example-toggle-line-hover-background);
 }
 
-.more-scraped-examples .scraped-example:last-child {
-	margin-bottom: 0;
+.more-scraped-examples .scraped-example, .example-links {
+	margin-top: 20px;
 }
 
-.example-links a {
-	margin-top: 20px;
+.more-scraped-examples .scraped-example:first-child {
+	margin-top: 5px;
 }
 
 .example-links ul {
diff --git a/src/librustdoc/html/static/css/settings.css b/src/librustdoc/html/static/css/settings.css
index 1f6fb961e..4e9803fe2 100644
--- a/src/librustdoc/html/static/css/settings.css
+++ b/src/librustdoc/html/static/css/settings.css
@@ -1,15 +1,10 @@
 .setting-line {
-	margin: 0.6em 0 0.6em 0.3em;
+	margin: 1.2em 0.6em;
 	position: relative;
 }
 
-.setting-line .choices {
-	display: flex;
-	flex-wrap: wrap;
-}
-
 .setting-line .radio-line input,
-.setting-line .toggle input {
+.setting-line .settings-toggle input {
 	margin-right: 0.3em;
 	height: 1.2rem;
 	width: 1.2rem;
@@ -22,27 +17,23 @@
 .setting-line .radio-line input {
 	border-radius: 50%;
 }
-.setting-line .toggle input:checked {
+.setting-line .settings-toggle input:checked {
 	content: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40">\
 		<path d="M7,25L17,32L33,12" fill="none" stroke="black" stroke-width="5"/>\
 		<path d="M7,23L17,30L33,10" fill="none" stroke="white" stroke-width="5"/></svg>');
 }
 
 .setting-line .radio-line input + span,
-.setting-line .toggle span {
+.setting-line .settings-toggle span {
 	padding-bottom: 1px;
 }
 
-.radio-line .setting-name {
-	width: 100%;
-}
-
 .radio-line .choice {
 	margin-top: 0.1em;
 	margin-bottom: 0.1em;
 	min-width: 3.8em;
 	padding: 0.3em;
-	display: flex;
+	display: inline-flex;
 	align-items: center;
 	cursor: pointer;
 }
@@ -50,7 +41,7 @@
 	margin-left: 0.5em;
 }
 
-.toggle {
+.settings-toggle {
 	position: relative;
 	width: 100%;
 	margin-right: 20px;
@@ -59,25 +50,15 @@
 	cursor: pointer;
 }
 
-.setting-line > .sub-settings {
-	padding-left: 42px;
-	width: 100%;
-	display: block;
-}
-
-#settings .setting-line {
-	margin: 1.2em 0.6em;
-}
-
 .setting-line .radio-line input:checked {
 	box-shadow: inset 0 0 0 3px var(--main-background-color);
 	background-color: var(--settings-input-color);
 }
-.setting-line .toggle input:checked {
+.setting-line .settings-toggle input:checked {
 	background-color: var(--settings-input-color);
 }
 .setting-line .radio-line input:focus,
-.setting-line .toggle input:focus {
+.setting-line .settings-toggle input:focus {
 	box-shadow: 0 0 1px 1px var(--settings-input-color);
 }
 /* In here we combine both `:focus` and `:checked` properties. */
@@ -86,6 +67,6 @@
 		0 0 2px 2px var(--settings-input-color);
 }
 .setting-line .radio-line input:hover,
-.setting-line .toggle input:hover {
+.setting-line .settings-toggle input:hover {
 	border-color: var(--settings-input-color) !important;
 }
diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css
index 0436fe013..979e7e0f9 100644
--- a/src/librustdoc/html/static/css/themes/ayu.css
+++ b/src/librustdoc/html/static/css/themes/ayu.css
@@ -45,6 +45,7 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 	--search-color: #fff;
 	--search-results-alias-color: #c5c5c5;
 	--search-results-grey-color: #999;
+	--search-tab-title-count-color: #888;
 	--stab-background-color: #314559;
 	--stab-code-color: #e6e1cf;
 	--code-highlight-kw-color: #ff7733;
@@ -61,7 +62,6 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 	--code-highlight-question-mark-color: #ff9011;
 	--code-highlight-comment-color: #788797;
 	--code-highlight-doc-comment-color: #a1ac88;
-	--example-line-numbers-border-color: none;
 	--src-line-numbers-span-color: #5c6773;
 	--src-line-number-highlighted-background-color: rgba(255, 236, 164, 0.06);
 	--test-arrow-color: #788797;
@@ -88,6 +88,15 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 	--source-sidebar-background-selected: #14191f;
 	--source-sidebar-background-hover: #14191f;
 	--table-alt-row-background-color: #191f26;
+	--codeblock-link-background: #333;
+	--scrape-example-toggle-line-background: #999;
+	--scrape-example-toggle-line-hover-background: #c5c5c5;
+	--scrape-example-code-line-highlight: rgb(91, 59, 1);
+	--scrape-example-code-line-highlight-focus: rgb(124, 75, 15);
+	--scrape-example-help-border-color: #aaa;
+	--scrape-example-help-color: #eee;
+	--scrape-example-help-hover-border-color: #fff;
+	--scrape-example-help-hover-color: #fff;
 }
 
 h1, h2, h3, h4 {
@@ -130,7 +139,7 @@ pre, .rustdoc.source .example-wrap {
 
 .src-line-numbers .line-highlighted {
 	color: #708090;
-	padding-right: 4px;
+	padding-right: 7px;
 	border-right: 1px solid #ffb44c;
 }
 
@@ -150,55 +159,37 @@ pre, .rustdoc.source .example-wrap {
 	color: #c5c5c5;
 }
 
-.content .item-info::before { color: #ccc; }
-
 .sidebar h2 a,
 .sidebar h3 a {
 	color: white;
 }
-body.source .example-wrap pre.rust a {
-	background: #333;
-}
-
-.module-item .stab,
-.import-item .stab {
-	color: #000;
-}
 
 .result-name .primitive > i, .result-name .keyword > i {
 	color: #788797;
 }
 
-#titles > button.selected {
+#search-tabs > button.selected {
 	background-color: #141920 !important;
 	border-bottom: 1px solid #ffb44c !important;
 	border-top: none;
 }
 
-#titles > button:not(.selected) {
+#search-tabs > button:not(.selected) {
 	background-color: transparent !important;
 	border: none;
 }
 
-#titles > button:hover {
+#search-tabs > button:hover {
 	border-bottom: 1px solid rgba(242, 151, 24, 0.3);
 }
 
-#titles > button > div.count {
-	color: #888;
-}
-
 /* rules that this theme does not need to set, here to satisfy the rule checker */
 /* note that a lot of these are partially set in some way (meaning they are set
 individually rather than as a group) */
 /* FIXME: these rules should be at the bottom of the file but currently must be
 above the `@media (max-width: 700px)` rules due to a bug in the css checker */
 /* see https://github.com/rust-lang/rust/pull/71237#issuecomment-618170143 */
-pre.rust .lifetime {}
-pre.rust .kw {}
-#titles > button:hover, #titles > button.selected {}
-pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, pre.rust .attribute {}
-pre.rust .kw-2, pre.rust .prelude-ty {}
+#search-tabs > button:hover, #search-tabs > button.selected {}
 
 #settings-menu > a img {
 	filter: invert(100);
@@ -213,29 +204,9 @@ pre.rust .kw-2, pre.rust .prelude-ty {}
 	color: #ffb44c;
 }
 
-.scraped-example-list .scrape-help {
-	border-color: #aaa;
-	color: #eee;
-}
-.scraped-example-list .scrape-help:hover {
-	border-color: white;
-	color: white;
-}
-.scraped-example .example-wrap .rust span.highlight {
-	background: rgb(91, 59, 1);
-}
-.scraped-example .example-wrap .rust span.highlight.focus {
-	background: rgb(124, 75, 15);
-}
-.scraped-example:not(.expanded) .code-wrapper:before {
+.scraped-example:not(.expanded) .code-wrapper::before {
 	background: linear-gradient(to bottom, rgba(15, 20, 25, 1), rgba(15, 20, 25, 0));
 }
-.scraped-example:not(.expanded) .code-wrapper:after {
+.scraped-example:not(.expanded) .code-wrapper::after {
 	background: linear-gradient(to top, rgba(15, 20, 25, 1), rgba(15, 20, 25, 0));
 }
-.toggle-line-inner {
-	background: #999;
-}
-.toggle-line:hover .toggle-line-inner {
-	background: #c5c5c5;
-}
diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css
index d945e956c..fb15863b0 100644
--- a/src/librustdoc/html/static/css/themes/dark.css
+++ b/src/librustdoc/html/static/css/themes/dark.css
@@ -40,6 +40,7 @@
 	--search-color: #111;
 	--search-results-alias-color: #fff;
 	--search-results-grey-color: #ccc;
+	--search-tab-title-count-color: #888;
 	--stab-background-color: #314559;
 	--stab-code-color: #e6e1cf;
 	--code-highlight-kw-color: #ab8ac1;
@@ -56,7 +57,6 @@
 	--code-highlight-question-mark-color: #ff9011;
 	--code-highlight-comment-color: #8d8d8b;
 	--code-highlight-doc-comment-color: #8ca375;
-	--example-line-numbers-border-color: #4a4949;
 	--src-line-numbers-span-color: #3b91e2;
 	--src-line-number-highlighted-background-color: #0a042f;
 	--test-arrow-color: #dedede;
@@ -83,51 +83,30 @@
 	--source-sidebar-background-selected: #333;
 	--source-sidebar-background-hover: #444;
 	--table-alt-row-background-color: #2A2A2A;
+	--codeblock-link-background: #333;
+	--scrape-example-toggle-line-background: #999;
+	--scrape-example-toggle-line-hover-background: #c5c5c5;
+	--scrape-example-code-line-highlight: rgb(91, 59, 1);
+	--scrape-example-code-line-highlight-focus: rgb(124, 75, 15);
+	--scrape-example-help-border-color: #aaa;
+	--scrape-example-help-color: #eee;
+	--scrape-example-help-hover-border-color: #fff;
+	--scrape-example-help-hover-color: #fff;
 }
 
-.content .item-info::before { color: #ccc; }
-
-body.source .example-wrap pre.rust a {
-	background: #333;
-}
-
-#titles > button:not(.selected) {
+#search-tabs > button:not(.selected) {
 	background-color: #252525;
 	border-top-color: #252525;
 }
 
-#titles > button:hover, #titles > button.selected {
+#search-tabs > button:hover, #search-tabs > button.selected {
 	border-top-color: #0089ff;
 	background-color: #353535;
 }
 
-#titles > button > div.count {
-	color: #888;
-}
-
-.scraped-example-list .scrape-help {
-	border-color: #aaa;
-	color: #eee;
-}
-.scraped-example-list .scrape-help:hover {
-	border-color: white;
-	color: white;
-}
-.scraped-example .example-wrap .rust span.highlight {
-	background: rgb(91, 59, 1);
-}
-.scraped-example .example-wrap .rust span.highlight.focus {
-	background: rgb(124, 75, 15);
-}
-.scraped-example:not(.expanded) .code-wrapper:before {
+.scraped-example:not(.expanded) .code-wrapper::before {
 	background: linear-gradient(to bottom, rgba(53, 53, 53, 1), rgba(53, 53, 53, 0));
 }
-.scraped-example:not(.expanded) .code-wrapper:after {
+.scraped-example:not(.expanded) .code-wrapper::after {
 	background: linear-gradient(to top, rgba(53, 53, 53, 1), rgba(53, 53, 53, 0));
 }
-.toggle-line-inner {
-	background: #999;
-}
-.toggle-line:hover .toggle-line-inner {
-	background: #c5c5c5;
-}
diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css
index 58955a793..053fa78d1 100644
--- a/src/librustdoc/html/static/css/themes/light.css
+++ b/src/librustdoc/html/static/css/themes/light.css
@@ -40,6 +40,7 @@
 	--search-color: #000;
 	--search-results-alias-color: #000;
 	--search-results-grey-color: #999;
+	--search-tab-title-count-color: #888;
 	--stab-background-color: #fff5d6;
 	--stab-code-color: #000;
 	--code-highlight-kw-color: #8959a8;
@@ -56,7 +57,6 @@
 	--code-highlight-question-mark-color: #ff9011;
 	--code-highlight-comment-color: #8e908c;
 	--code-highlight-doc-comment-color: #4d4d4c;
-	--example-line-numbers-border-color: #c7c7c7;
 	--src-line-numbers-span-color: #c67e2d;
 	--src-line-number-highlighted-background-color: #fdffd3;
 	--test-arrow-color: #f5f5f5;
@@ -80,51 +80,30 @@
 	--source-sidebar-background-selected: #fff;
 	--source-sidebar-background-hover: #e0e0e0;
 	--table-alt-row-background-color: #F5F5F5;
+	--codeblock-link-background: #eee;
+	--scrape-example-toggle-line-background: #ccc;
+	--scrape-example-toggle-line-hover-background: #999;
+	--scrape-example-code-line-highlight: #fcffd6;
+	--scrape-example-code-line-highlight-focus: #f6fdb0;
+	--scrape-example-help-border-color: #555;
+	--scrape-example-help-color: #333;
+	--scrape-example-help-hover-border-color: #000;
+	--scrape-example-help-hover-color: #000;
 }
 
-.content .item-info::before { color: #ccc; }
-
-body.source .example-wrap pre.rust a {
-	background: #eee;
-}
-
-#titles > button:not(.selected) {
+#search-tabs > button:not(.selected) {
 	background-color: #e6e6e6;
 	border-top-color: #e6e6e6;
 }
 
-#titles > button:hover, #titles > button.selected {
+#search-tabs > button:hover, #search-tabs > button.selected {
 	background-color: #ffffff;
 	border-top-color: #0089ff;
 }
 
-#titles > button > div.count {
-	color: #888;
-}
-
-.scraped-example-list .scrape-help {
-	border-color: #555;
-	color: #333;
-}
-.scraped-example-list .scrape-help:hover {
-	border-color: black;
-	color: black;
-}
-.scraped-example .example-wrap .rust span.highlight {
-	background: #fcffd6;
-}
-.scraped-example .example-wrap .rust span.highlight.focus {
-	background: #f6fdb0;
-}
-.scraped-example:not(.expanded) .code-wrapper:before {
+.scraped-example:not(.expanded) .code-wrapper::before {
 	background: linear-gradient(to bottom, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
 }
-.scraped-example:not(.expanded) .code-wrapper:after {
+.scraped-example:not(.expanded) .code-wrapper::after {
 	background: linear-gradient(to top, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
 }
-.toggle-line-inner {
-	background: #ccc;
-}
-.toggle-line:hover .toggle-line-inner {
-	background: #999;
-}
diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js
index 152116089..604ab147f 100644
--- a/src/librustdoc/html/static/js/main.js
+++ b/src/librustdoc/html/static/js/main.js
@@ -184,7 +184,6 @@ function browserSupportsHistoryApi() {
 function loadCss(cssUrl) {
     const link = document.createElement("link");
     link.href = cssUrl;
-    link.type = "text/css";
     link.rel = "stylesheet";
     document.getElementsByTagName("head")[0].appendChild(link);
 }
@@ -391,7 +390,8 @@ function loadCss(cssUrl) {
         }
 
         if (document.activeElement.tagName === "INPUT" &&
-            document.activeElement.type !== "checkbox") {
+            document.activeElement.type !== "checkbox" &&
+            document.activeElement.type !== "radio") {
             switch (getVirtualKey(ev)) {
             case "Escape":
                 handleEscape(ev);
@@ -527,7 +527,7 @@ function loadCss(cssUrl) {
         }
 
         let currentNbImpls = implementors.getElementsByClassName("impl").length;
-        const traitName = document.querySelector("h1.fqn > .trait").textContent;
+        const traitName = document.querySelector(".main-heading h1 > .trait").textContent;
         const baseIdName = "impl-" + traitName + "-";
         const libs = Object.getOwnPropertyNames(imp);
         // We don't want to include impls from this JS file, when the HTML already has them.
@@ -564,7 +564,7 @@ function loadCss(cssUrl) {
                 onEachLazy(code.getElementsByTagName("a"), elem => {
                     const href = elem.getAttribute("href");
 
-                    if (href && href.indexOf("http") !== 0) {
+                    if (href && !/^(?:[a-z+]+:)?\/\//.test(href)) {
                         elem.setAttribute("href", window.rootPath + href);
                     }
                 });
@@ -621,7 +621,7 @@ function loadCss(cssUrl) {
     function expandAllDocs() {
         const innerToggle = document.getElementById(toggleAllDocsId);
         removeClass(innerToggle, "will-expand");
-        onEachLazy(document.getElementsByClassName("rustdoc-toggle"), e => {
+        onEachLazy(document.getElementsByClassName("toggle"), e => {
             if (!hasClass(e, "type-contents-toggle") && !hasClass(e, "more-examples-toggle")) {
                 e.open = true;
             }
@@ -633,7 +633,7 @@ function loadCss(cssUrl) {
     function collapseAllDocs() {
         const innerToggle = document.getElementById(toggleAllDocsId);
         addClass(innerToggle, "will-expand");
-        onEachLazy(document.getElementsByClassName("rustdoc-toggle"), e => {
+        onEachLazy(document.getElementsByClassName("toggle"), e => {
             if (e.parentNode.id !== "implementations-list" ||
                 (!hasClass(e, "implementors-toggle") &&
                  !hasClass(e, "type-contents-toggle"))
@@ -681,7 +681,7 @@ function loadCss(cssUrl) {
             setImplementorsTogglesOpen("blanket-implementations-list", false);
         }
 
-        onEachLazy(document.getElementsByClassName("rustdoc-toggle"), e => {
+        onEachLazy(document.getElementsByClassName("toggle"), e => {
             if (!hideLargeItemContents && hasClass(e, "type-contents-toggle")) {
                 e.open = true;
             }
@@ -804,29 +804,22 @@ function loadCss(cssUrl) {
         }
     });
 
-    function handleClick(id, f) {
-        const elem = document.getElementById(id);
-        if (elem) {
-            elem.addEventListener("click", f);
-        }
+    const mainElem = document.getElementById(MAIN_ID);
+    if (mainElem) {
+        mainElem.addEventListener("click", hideSidebar);
     }
-    handleClick(MAIN_ID, () => {
-        hideSidebar();
-    });
 
-    onEachLazy(document.getElementsByTagName("a"), el => {
+    onEachLazy(document.querySelectorAll("a[href^='#']"), el => {
         // For clicks on internal links (<A> tags with a hash property), we expand the section we're
         // jumping to *before* jumping there. We can't do this in onHashChange, because it changes
         // the height of the document so we wind up scrolled to the wrong place.
-        if (el.hash) {
-            el.addEventListener("click", () => {
-                expandSection(el.hash.slice(1));
-                hideSidebar();
-            });
-        }
+        el.addEventListener("click", () => {
+            expandSection(el.hash.slice(1));
+            hideSidebar();
+        });
     });
 
-    onEachLazy(document.querySelectorAll(".rustdoc-toggle > summary:not(.hideme)"), el => {
+    onEachLazy(document.querySelectorAll(".toggle > summary:not(.hideme)"), el => {
         el.addEventListener("click", e => {
             if (e.target.tagName !== "SUMMARY" && e.target.tagName !== "A") {
                 e.preventDefault();
@@ -850,7 +843,7 @@ function loadCss(cssUrl) {
         window.hideAllModals(false);
         const ty = e.getAttribute("data-ty");
         const wrapper = document.createElement("div");
-        wrapper.innerHTML = "<div class=\"docblock\">" + window.NOTABLE_TRAITS[ty] + "</div>";
+        wrapper.innerHTML = "<div class=\"content\">" + window.NOTABLE_TRAITS[ty] + "</div>";
         wrapper.className = "notable popover";
         const focusCatcher = document.createElement("div");
         focusCatcher.setAttribute("tabindex", "0");
@@ -948,7 +941,7 @@ function loadCss(cssUrl) {
                 return;
             }
             if (!this.NOTABLE_FORCE_VISIBLE &&
-                !elemIsInParent(event.relatedTarget, window.CURRENT_NOTABLE_ELEMENT)) {
+                !elemIsInParent(ev.relatedTarget, window.CURRENT_NOTABLE_ELEMENT)) {
                 hideNotable(true);
             }
         };
@@ -1043,9 +1036,6 @@ function loadCss(cssUrl) {
             help_button.appendChild(container);
 
             container.onblur = helpBlurHandler;
-            container.onclick = event => {
-                event.preventDefault();
-            };
             help_button.onblur = helpBlurHandler;
             help_button.children[0].onblur = helpBlurHandler;
         }
@@ -1093,6 +1083,9 @@ function loadCss(cssUrl) {
      * Show the help popup menu.
      */
     function showHelp() {
+        // Prevent `blur` events from being dispatched as a result of closing
+        // other modals.
+        getHelpButton().querySelector("a").focus();
         const menu = getHelpMenu(true);
         if (menu.style.display === "none") {
             window.hideAllModals();
diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js
index 23ae4e970..88592fa0c 100644
--- a/src/librustdoc/html/static/js/search.js
+++ b/src/librustdoc/html/static/js/search.js
@@ -49,7 +49,7 @@ function printTab(nb) {
     let iter = 0;
     let foundCurrentTab = false;
     let foundCurrentResultSet = false;
-    onEachLazy(document.getElementById("titles").childNodes, elem => {
+    onEachLazy(document.getElementById("search-tabs").childNodes, elem => {
         if (nb === iter) {
             addClass(elem, "selected");
             foundCurrentTab = true;
@@ -781,7 +781,29 @@ function initSearch(rawSearchIndex) {
                     return a - b;
                 }
 
-                // Sort by non levenshtein results and then levenshtein results by the distance
+                // sort by index of keyword in item name (no literal occurrence goes later)
+                a = (aaa.index < 0);
+                b = (bbb.index < 0);
+                if (a !== b) {
+                    return a - b;
+                }
+
+                // Sort by distance in the path part, if specified
+                // (less changes required to match means higher rankings)
+                a = aaa.path_lev;
+                b = bbb.path_lev;
+                if (a !== b) {
+                    return a - b;
+                }
+
+                // (later literal occurrence, if any, goes later)
+                a = aaa.index;
+                b = bbb.index;
+                if (a !== b) {
+                    return a - b;
+                }
+
+                // Sort by distance in the name part, the last part of the path
                 // (less changes required to match means higher rankings)
                 a = (aaa.lev);
                 b = (bbb.lev);
@@ -810,19 +832,6 @@ function initSearch(rawSearchIndex) {
                     return (a > b ? +1 : -1);
                 }
 
-                // sort by index of keyword in item name (no literal occurrence goes later)
-                a = (aaa.index < 0);
-                b = (bbb.index < 0);
-                if (a !== b) {
-                    return a - b;
-                }
-                // (later literal occurrence, if any, goes later)
-                a = aaa.index;
-                b = bbb.index;
-                if (a !== b) {
-                    return a - b;
-                }
-
                 // special precedence for primitive and keyword pages
                 if ((aaa.item.ty === TY_PRIMITIVE && bbb.item.ty !== TY_KEYWORD) ||
                     (aaa.item.ty === TY_KEYWORD && bbb.item.ty !== TY_PRIMITIVE)) {
@@ -1230,15 +1239,19 @@ function initSearch(rawSearchIndex) {
          * * `id` is the index in both `searchWords` and `searchIndex` arrays for this element.
          * * `index` is an `integer`` used to sort by the position of the word in the item's name.
          * * `lev` is the main metric used to sort the search results.
+         * * `path_lev` is zero if a single-component search query is used, otherwise it's the
+         *   distance computed for everything other than the last path component.
          *
          * @param {Results} results
          * @param {string} fullId
          * @param {integer} id
          * @param {integer} index
          * @param {integer} lev
+         * @param {integer} path_lev
          */
-        function addIntoResults(results, fullId, id, index, lev) {
-            if (lev === 0 || (!parsedQuery.literalSearch && lev <= MAX_LEV_DISTANCE)) {
+        function addIntoResults(results, fullId, id, index, lev, path_lev) {
+            const inBounds = lev <= MAX_LEV_DISTANCE || index !== -1;
+            if (lev === 0 || (!parsedQuery.literalSearch && inBounds)) {
                 if (results[fullId] !== undefined) {
                     const result = results[fullId];
                     if (result.dontValidate || result.lev <= lev) {
@@ -1250,6 +1263,7 @@ function initSearch(rawSearchIndex) {
                     index: index,
                     dontValidate: parsedQuery.literalSearch,
                     lev: lev,
+                    path_lev: path_lev,
                 };
             }
         }
@@ -1280,68 +1294,68 @@ function initSearch(rawSearchIndex) {
             if (!row || (filterCrates !== null && row.crate !== filterCrates)) {
                 return;
             }
-            let lev, lev_add = 0, index = -1;
+            let lev, index = -1, path_lev = 0;
             const fullId = row.id;
+            const searchWord = searchWords[pos];
 
             const in_args = findArg(row, elem, parsedQuery.typeFilter);
             const returned = checkReturned(row, elem, parsedQuery.typeFilter);
 
-            addIntoResults(results_in_args, fullId, pos, index, in_args);
-            addIntoResults(results_returned, fullId, pos, index, returned);
+            // path_lev is 0 because no parent path information is currently stored
+            // in the search index
+            addIntoResults(results_in_args, fullId, pos, -1, in_args, 0);
+            addIntoResults(results_returned, fullId, pos, -1, returned, 0);
 
             if (!typePassesFilter(parsedQuery.typeFilter, row.ty)) {
                 return;
             }
-            const searchWord = searchWords[pos];
 
-            if (parsedQuery.literalSearch) {
-                if (searchWord === elem.name) {
-                    addIntoResults(results_others, fullId, pos, -1, 0);
-                }
-                return;
+            const row_index = row.normalizedName.indexOf(elem.pathLast);
+            const word_index = searchWord.indexOf(elem.pathLast);
+
+            // lower indexes are "better" matches
+            // rank based on the "best" match
+            if (row_index === -1) {
+                index = word_index;
+            } else if (word_index === -1) {
+                index = row_index;
+            } else if (word_index < row_index) {
+                index = word_index;
+            } else {
+                index = row_index;
             }
 
             // No need to check anything else if it's a "pure" generics search.
             if (elem.name.length === 0) {
                 if (row.type !== null) {
                     lev = checkGenerics(row.type, elem, MAX_LEV_DISTANCE + 1);
-                    addIntoResults(results_others, fullId, pos, index, lev);
+                    // path_lev is 0 because we know it's empty
+                    addIntoResults(results_others, fullId, pos, index, lev, 0);
                 }
                 return;
             }
 
             if (elem.fullPath.length > 1) {
-                lev = checkPath(elem.pathWithoutLast, row);
-                if (lev > MAX_LEV_DISTANCE || (parsedQuery.literalSearch && lev !== 0)) {
+                path_lev = checkPath(elem.pathWithoutLast, row);
+                if (path_lev > MAX_LEV_DISTANCE) {
                     return;
-                } else if (lev > 0) {
-                    lev_add = lev / 10;
                 }
             }
 
-            if (searchWord.indexOf(elem.pathLast) > -1 ||
-                row.normalizedName.indexOf(elem.pathLast) > -1
-            ) {
-                index = row.normalizedName.indexOf(elem.pathLast);
-            }
-            lev = levenshtein(searchWord, elem.pathLast);
-            if (lev > 0 && elem.pathLast.length > 2 && searchWord.indexOf(elem.pathLast) > -1) {
-                if (elem.pathLast.length < 6) {
-                    lev = 1;
-                } else {
-                    lev = 0;
+            if (parsedQuery.literalSearch) {
+                if (searchWord === elem.name) {
+                    addIntoResults(results_others, fullId, pos, index, 0, path_lev);
                 }
-            }
-            lev += lev_add;
-            if (lev > MAX_LEV_DISTANCE) {
                 return;
-            } else if (index !== -1 && elem.fullPath.length < 2) {
-                lev -= 1;
             }
-            if (lev < 0) {
-                lev = 0;
+
+            lev = levenshtein(searchWord, elem.pathLast);
+
+            if (index === -1 && lev + path_lev > MAX_LEV_DISTANCE) {
+                return;
             }
-            addIntoResults(results_others, fullId, pos, index, lev);
+
+            addIntoResults(results_others, fullId, pos, index, lev, path_lev);
         }
 
         /**
@@ -1386,7 +1400,7 @@ function initSearch(rawSearchIndex) {
                 return;
             }
             const lev = Math.round(totalLev / nbLev);
-            addIntoResults(results, row.id, pos, 0, lev);
+            addIntoResults(results, row.id, pos, 0, lev, 0);
         }
 
         function innerRunQuery() {
@@ -1490,7 +1504,7 @@ function initSearch(rawSearchIndex) {
     function focusSearchResult() {
         const target = searchState.focusedByTab[searchState.currentTab] ||
             document.querySelectorAll(".search-results.active a").item(0) ||
-            document.querySelectorAll("#titles > button").item(searchState.currentTab);
+            document.querySelectorAll("#search-tabs button").item(searchState.currentTab);
         searchState.focusedByTab[searchState.currentTab] = null;
         if (target) {
             target.focus();
@@ -1645,9 +1659,9 @@ function initSearch(rawSearchIndex) {
     function makeTabHeader(tabNb, text, nbElems) {
         if (searchState.currentTab === tabNb) {
             return "<button class=\"selected\">" + text +
-                   " <div class=\"count\">(" + nbElems + ")</div></button>";
+                   " <span class=\"count\">(" + nbElems + ")</span></button>";
         }
-        return "<button>" + text + " <div class=\"count\">(" + nbElems + ")</div></button>";
+        return "<button>" + text + " <span class=\"count\">(" + nbElems + ")</span></button>";
     }
 
     /**
@@ -1712,12 +1726,12 @@ function initSearch(rawSearchIndex) {
         let output = `<h1 class="search-results-title">Results${crates}</h1>`;
         if (results.query.error !== null) {
             output += `<h3>Query parser error: "${results.query.error}".</h3>`;
-            output += "<div id=\"titles\">" +
+            output += "<div id=\"search-tabs\">" +
                 makeTabHeader(0, "In Names", ret_others[1]) +
                 "</div>";
             currentTab = 0;
         } else if (results.query.foundElems <= 1 && results.query.returned.length === 0) {
-            output += "<div id=\"titles\">" +
+            output += "<div id=\"search-tabs\">" +
                 makeTabHeader(0, "In Names", ret_others[1]) +
                 makeTabHeader(1, "In Parameters", ret_in_args[1]) +
                 makeTabHeader(2, "In Return Types", ret_returned[1]) +
@@ -1727,7 +1741,7 @@ function initSearch(rawSearchIndex) {
                 results.query.elems.length === 0 ? "In Function Return Types" :
                 results.query.returned.length === 0 ? "In Function Parameters" :
                 "In Function Signatures";
-            output += "<div id=\"titles\">" +
+            output += "<div id=\"search-tabs\">" +
                 makeTabHeader(0, signatureTabTitle, ret_others[1]) +
                 "</div>";
             currentTab = 0;
@@ -1747,7 +1761,7 @@ function initSearch(rawSearchIndex) {
         search.appendChild(resultsElem);
         // Reset focused elements.
         searchState.showResults(search);
-        const elems = document.getElementById("titles").childNodes;
+        const elems = document.getElementById("search-tabs").childNodes;
         searchState.focusedByTab = [];
         let i = 0;
         for (const elem of elems) {
diff --git a/src/librustdoc/html/static/js/settings.js b/src/librustdoc/html/static/js/settings.js
index 589bfc793..84df1b7d3 100644
--- a/src/librustdoc/html/static/js/settings.js
+++ b/src/librustdoc/html/static/js/settings.js
@@ -135,7 +135,7 @@
                 // This is a select setting.
                 output += `\
 <div class="radio-line" id="${js_data_name}">
-    <span class="setting-name">${setting_name}</span>
+    <div class="setting-name">${setting_name}</div>
 <div class="choices">`;
                 onEach(setting["options"], option => {
                     const checked = option === setting["default"] ? " checked" : "";
@@ -150,10 +150,10 @@
                 });
                 output += "</div></div>";
             } else {
-                // This is a toggle.
+                // This is a checkbox toggle.
                 const checked = setting["default"] === true ? " checked" : "";
                 output += `\
-<label class="toggle">\
+<label class="settings-toggle">\
     <input type="checkbox" id="${js_data_name}"${checked}>\
     <span class="label">${setting_name}</span>\
 </label>`;
diff --git a/src/librustdoc/html/static/js/source-script.js b/src/librustdoc/html/static/js/source-script.js
index 5db768c1c..0e1c864e6 100644
--- a/src/librustdoc/html/static/js/source-script.js
+++ b/src/librustdoc/html/static/js/source-script.js
@@ -83,7 +83,7 @@ function toggleSidebar() {
 
 function createSidebarToggle() {
     const sidebarToggle = document.createElement("div");
-    sidebarToggle.id = "sidebar-toggle";
+    sidebarToggle.id = "src-sidebar-toggle";
 
     const inner = document.createElement("button");