Ok, I've been debugging this with Alexander's help on IRC, and I've tracked it down to ~/.gnome2/monitors.xml. Removing that file and logging in again fixed my font issues. So this wasn't Xulrunner's fault (at least not directly).
** Attachment added: "monitors.xml" http://launchpadlibrarian.net/13045404/monitors.xml -- Firefox 3.0 makes everything annoyingly huge https://bugs.launchpad.net/bugs/178558 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