Initial import of BugzillaA11yFixes.

On Bugzilla bug pages, this makes the bug title, Attachments heading and comment number headings into headings for accessibility. This means that screen reader quick navigation can be used to jump between comments, etc.

Author: jcsteh

BugzillaA11yFixes.user.js

@@ -0,0 +1,33 @@
+// ==UserScript==
+// @name           Bugzilla Accessibility Fixes
+// @namespace      http://www.jantrid.net/axSGrease/
+// @description    Improves the accessibility of Bugzilla.
+// @author         James Teh <jamie@nvaccess.org>
+// @copyright 2014 James Teh
+// @license GNU General Public License version 2.0
+// @version        2014.1
+// @include */show_bug.cgi?*
+// ==/UserScript==
+
+function makeHeading(elem, level) {
+	elem.setAttribute("role", "heading");
+	elem.setAttribute("aria-level", level);
+}
+
+function tweak() {
+	var elem = document.getElementById("short_desc_nonedit_display");
+	if (!elem)
+		return; // Not a Bugzilla bug.
+	// Bug title.
+	makeHeading(elem, 1);
+
+	// Attachments heading.
+	if (elem = document.getElementById("attachment_table"))
+		makeHeading(elem.rows[0].cells[0], 2);
+
+	// Comment numbers.
+	for (elem of document.getElementsByClassName("bz_comment_number"))
+		makeHeading(elem, 2);
+}
+
+tweak();