Sorry for the inconvenience. Known Navigation header breakage, its being "rebuilt."
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.
These useful pages would be orphans otherwise.
This category has the following 5 subcategories, out of 5 total.
Pages in category ‘Uses NavHome’
The following 76 pages are in this category, out of 76 total.