http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50642
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-07 00:21:00 UTC --- I must say, I have been using Firefox on Linux exclusively for years, and years, and never had this issue with my normal setup in terms of font size (the same I use for, I don't know, Slashdot or online newspapers). I guess it's largely matter of personal taste (my sight is absolutely average, for sure)