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.
Changes related to "Sound Configuration/10.1"
28 January 2015
03:35(Protection log) Tigersharke protected "Template:UseTOC/10.1" [edit=sysop] (indefinite) [move=sysop] (indefinite) (Template security)