Our new Indie Games subforum is now open for business in G&T. Go and check it out, you might land a code for a free game. If you're developing an indie game and want to post about it, follow these directions. If you don't, he'll break your legs! Hahaha! Seriously though.
Our rules have been updated and given their own forum. Go and look at them! They are nice, and there may be new ones that you didn't know about! Hooray for rules! Hooray for The System! Hooray for Conforming!
The series of events are: I restored my MBA to factory defaults, and then loaded a previous Time Machine backup. When I made the backup, there were no issues. And the problem showed up immediately after running the restore. There was literally no time for me to mess with any setting inadvertently.
Interestingly enough, this font change only appears on the PA forums, and nowhere else.