Accessibility: bump headings one level up in post meta boxes for a better headings hierarchy.

Props afercia, joedolson, wonderboymusic.
See #33557.
Built from https://develop.svn.wordpress.org/trunk@35128


git-svn-id: http://core.svn.wordpress.org/trunk@35093 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/common-rtl.css

@@ -2048,13 +2048,21 @@ h2 .nav-tab {
 	margin-left: 190px;
 }
 
-.metabox-holder h3 {
+.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+.metabox-holder h2 {
 	font-size: 14px;
 	padding: 8px 12px;
 	margin: 0;
 	line-height: 1.4;
 }
 
+/* Back-compat for nav-menus screen */
+.nav-menus-php .metabox-holder h3 {
+	padding: 10px 14px 11px 10px;
+	line-height: 21px;
+}
+
 #templateside ul li a {
 	text-decoration: none;
 }
@@ -3420,7 +3428,9 @@ img {
 		font-size: 14px;
 	}
 
-	.metabox-holder h3 {
+	.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+	.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+	.metabox-holder h2 {
 		padding: 12px;
 	}
 

wp-admin/css/common.css

@@ -2048,13 +2048,21 @@ h2 .nav-tab {
 	margin-right: 190px;
 }
 
-.metabox-holder h3 {
+.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+.metabox-holder h2 {
 	font-size: 14px;
 	padding: 8px 12px;
 	margin: 0;
 	line-height: 1.4;
 }
 
+/* Back-compat for nav-menus screen */
+.nav-menus-php .metabox-holder h3 {
+	padding: 10px 10px 11px 14px;
+	line-height: 21px;
+}
+
 #templateside ul li a {
 	text-decoration: none;
 }
@@ -3420,7 +3428,9 @@ img {
 		font-size: 14px;
 	}
 
-	.metabox-holder h3 {
+	.metabox-holder h3.hndle, /* Back-compat for pre-4.4 */
+	.metabox-holder .stuffbox > h3, /* Back-compat for pre-4.4 */
+	.metabox-holder h2 {
 		padding: 12px;
 	}
 

wp-admin/css/dashboard-rtl.css

@@ -947,12 +947,12 @@ a.rsswidget {
 	box-shadow: none;
 }
 
-#dashboard_browser_nag.postbox.browser-insecure h3 {
+#dashboard_browser_nag.postbox.browser-insecure h2 {
 	border-bottom-color: #cd5a5a;
 	color: #fff;
 }
 
-#dashboard_browser_nag.postbox h3 {
+#dashboard_browser_nag.postbox h2 {
 	border-bottom-color: #f6e2ac;
 	background: transparent none;
 	color: #fff;
@@ -966,7 +966,7 @@ a.rsswidget {
 
 /* Make the browser nags easier to read with Open Sans */
 
-#dashboard_browser_nag h3.hndle {
+#dashboard_browser_nag h2.hndle {
 	border: none;
 	font-weight: 600;
 	font-size: 20px;

wp-admin/css/dashboard.css

@@ -947,12 +947,12 @@ a.rsswidget {
 	box-shadow: none;
 }
 
-#dashboard_browser_nag.postbox.browser-insecure h3 {
+#dashboard_browser_nag.postbox.browser-insecure h2 {
 	border-bottom-color: #cd5a5a;
 	color: #fff;
 }
 
-#dashboard_browser_nag.postbox h3 {
+#dashboard_browser_nag.postbox h2 {
 	border-bottom-color: #f6e2ac;
 	background: transparent none;
 	color: #fff;
@@ -966,7 +966,7 @@ a.rsswidget {
 
 /* Make the browser nags easier to read with Open Sans */
 
-#dashboard_browser_nag h3.hndle {
+#dashboard_browser_nag h2.hndle {
 	border: none;
 	font-weight: 600;
 	font-size: 20px;

wp-admin/css/edit-rtl.css

@@ -239,8 +239,15 @@ ul.category-tabs li,
 	margin: 8px 0 5px;
 }
 
+/* Back-compat for pre-4.4 */
 #category-adder h4 {
+    margin: 0;
+}
+
+.taxonomy-add-new {
+	display: inline-block;
 	margin: 10px 0;
+	font-weight: 600;
 }
 
 #side-sortables .add-menu-item-tabs,
@@ -627,15 +634,9 @@ span.wp-media-buttons-icon:before {
 	position: absolute;
 }
 
+#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
 #poststuff h2 {
-	margin-top: 20px;
-	font-size: 1.5em;
-	margin-bottom: 15px;
-	padding: 0 0 3px;
-	clear: right;
-}
-
-#poststuff h3 {
 	font-size: 14px;
 	padding: 8px 12px;
 	margin: 0;
@@ -1358,7 +1359,9 @@ table.links-table {
 		padding: 10px 10px;
 	}
 
-	#poststuff h3 {
+	#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+	#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
+	#poststuff h2 {
 		padding: 12px;
 	}
 

wp-admin/css/edit.css

@@ -239,8 +239,15 @@ ul.category-tabs li,
 	margin: 8px 0 5px;
 }
 
+/* Back-compat for pre-4.4 */
 #category-adder h4 {
+    margin: 0;
+}
+
+.taxonomy-add-new {
+	display: inline-block;
 	margin: 10px 0;
+	font-weight: 600;
 }
 
 #side-sortables .add-menu-item-tabs,
@@ -627,15 +634,9 @@ span.wp-media-buttons-icon:before {
 	position: absolute;
 }
 
+#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
 #poststuff h2 {
-	margin-top: 20px;
-	font-size: 1.5em;
-	margin-bottom: 15px;
-	padding: 0 0 3px;
-	clear: left;
-}
-
-#poststuff h3 {
 	font-size: 14px;
 	padding: 8px 12px;
 	margin: 0;
@@ -1358,7 +1359,9 @@ table.links-table {
 		padding: 10px 10px;
 	}
 
-	#poststuff h3 {
+	#poststuff h3.hndle, /* Back-compat for pre-4.4 */
+	#poststuff .stuffbox > h3, /* Back-compat for pre-4.4 */
+	#poststuff h2 {
 		padding: 12px;
 	}
 

wp-admin/includes/template-functions.php

@@ -1006,7 +1006,7 @@ function do_meta_boxes( $screen, $context, $object ) {
 						echo '<span class="toggle-indicator" aria-hidden="true"></span>';
 						echo '</button>';
 					}
-					echo "<h3 class='hndle'><span>{$box['title']}</span></h3>\n";
+					echo "<h2 class='hndle'><span>{$box['title']}</span></h2>\n";
 					echo '<div class="inside">' . "\n";
 					call_user_func($box['callback'], $object, $box);
 					echo "</div>\n";

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-35127';
+$wp_version = '4.4-alpha-35128';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.