There may be other unforeseen breakage primarily in the handbook portion of the wiki.
The Table Of Contents section of each "PC-BSD® Users Handbook" page may be the best workaround.
(Sorry for the inconvenience)
The following BSD sites and resources may also contain useful information:
- BSD Guru (Polish)
- Mfaridi.com (Farsi)
- BSD Magazine (free, monthly download)
- BSD Hacks (book)
- Definitive Guide to PC-BSD (book)
- PC-BSD Section at Jaki Linux (Polish)