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Page actions allow add-on developers to add icons to the URL bar for quick-access 'actions'.
http://digdug2k.wordpress.com/2013/07/18/the-new-pageactions-are-here/
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Bugzilla query error
Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 429 [1] => Unknown Error ) ) 1
Bugzilla query error
Array ( [type] => error [message] => http-bad-status [params] => Array ( [0] => 429 [1] => Unknown Error ) ) 1