mozilla/bedrock — pull request #233 by icaaq (2012-07-04 12:59:28+00:00)
Title: Made "tour the interface" more accessible

added keyboard functionality on "Tour the User Interface"
used a more AT-friendly technique to hide and show the info popups. now the info is spoken to screen reader users.

It can be tested here if you want to http://icaaq.com/sandbox/mozilla/central.htm