firebug/firebug — pull request #48 by fflorent (2012-10-06 07:58:28+00:00)
Title: Fix issue 5958

Fix for this issue : http://code.google.com/p/fbug/issues/detail?id=5958

I am wondering if the use of MutationObserver is right, since the feature has been introduced in Firefox 14 (and this version of Firebug seems to support Firefox 13 according to install.rdf).