I had a very specific problem with fonts in Mozilla Thunderbird on my new MacBook Pro, turns out a font was incorrectly identifying itsself as Arial, one of the basic system fonts. To identify the problem font, use Spotlight to…
Commercial Pilot, Flight Instructor, and Tech Guy

I had a very specific problem with fonts in Mozilla Thunderbird on my new MacBook Pro, turns out a font was incorrectly identifying itsself as Arial, one of the basic system fonts. To identify the problem font, use Spotlight to…