Same problem here, but the proposed Mathieu Pillard's workaround works well for me. Please consider patching the 2.0+0dfsg-0ubuntu3 firefox dom package.
-- DOM inspector doesn't appear in Edgy/FFox2 https://launchpad.net/bugs/65916 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
