[CentOS] Thunderbird and Firefox 10 font rendering

From: John Doe <jdmls at yahoo.com>

> Hum... playing with the gnome font settings does not change anything 
> in either firefoxes...

But if you meant changing something else than rendering: if change 
the "Application font", it changes in both firefoxes instantaneously...
Maybe check in /etc/fonts/conf.d/...

JD