This is probably a bug in Firefox rather than the packaging of Firefox in Ubuntu. The default fonts in Fedora 9 are also broken in the same way. See attached screenshot.
** Attachment added: "Example illustrating the same problem in Fedora 9" http://launchpadlibrarian.net/16240489/ugly-fonts-in-fedora.png -- On a default install of Ubuntu 8.04.1, the generic sans-serif font is broken https://bugs.launchpad.net/bugs/250917 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs