Mozilla Bug 418368

Simple link:
Mozilla Foundation
ARIA link:
Mozilla Foundation Home
Invalid, non-focusable hyperlink:
Invalid link
Image map:

Empty link:

Link with embedded span
Heise Online
Named anchor, must not have "linked" state for it to be exposed correctly:
This should never be of state_linked
Link having no attributes, must not have "linked" state:This should never be of state_linked
Link with registered 'click' event: This should have state_linked
Link with title attribute (no name from subtree):
Link with title attribute (name from subtree): the name from subtree
Link with title attribute (name from nested image):

Map that is used to group links (www.w3.org/TR/WCAG10-HTML-TECHS/#group-bypass), also see the bug 431615: