Comment 70 for bug 513887

It looks as though the problem has been solved as of 3.6.5pre.

firefox-3.5:
  Installed: 3.6.5~hg20100421r34093+nobinonly-0ubuntu1~umd1~karmic
  Candidate: 3.6.5~hg20100421r34093+nobinonly-0ubuntu1~umd1~karmic
  Version table:
 *** 3.6.5~hg20100421r34093+nobinonly-0ubuntu1~umd1~karmic 0
        500 http://ppa.launchpad.net karmic/main Packages
        100 /var/lib/dpkg/status
     3.5.9+nobinonly-0ubuntu0.9.10.1 0
        500 http://gpl.savoirfairelinux.net karmic-updates/main Packages
        500 http://gpl.savoirfairelinux.net karmic-security/main Packages
     3.5.3+build1+nobinonly-0ubuntu6 0
        500 http://gpl.savoirfairelinux.net karmic/main Packages