If you use your Mac professionally, you most likely also work with fonts.
Fonts are essential for designs and professional print.
And if corrupt, they can cause issues, even crash applications upon launch. Or change your output.
One of the best articles I have ever read, summarizing font usage, font management and how to solve font issues is this article by Kurt Lang. I feel it is a must-read for everyone:
Kurt has been a frequent poster on Apple’s forums and is constantly updating his article. If you benefit from his article, please consider making a small contribution via PayPal.
Both an engineer and a layout artist, Matthias bridges the gap between technology and people.
Before joining Quark, Matthias pioneered print, Web, and multimedia products for multiple German publishing companies. Since 1997 he has played a central role in shaping Quark’s desktop and enterprise software.
Starting 2003 Matthias has focused on Quark’s interactive and digital publishing solutions. He is an active participant in design and publishing communities and represents Quark in the Ghent PDF Workgroup.
Since February 2014 Matthias heads Quark’s Desktop Publishing business unit and is therefore responsible for QuarkXPress.