Apple noted:
Address an issue in which some OpenType fonts don’t display correctly in certain applications
Resolve issues printing from Preview
Address an issue with PDF files not opening in third-party PDF viewing applications
Resolve invalid font errors when printing to PostScript printers
The update can be found in Software Update or through Apple's Snow Leopard Font Update (knowledge base article 1377).
UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.16) Gecko/20110319 AlexaToolbar/alxf-2.11 Firefox/3.6.16
