This may be unrelated, but I noticed I don't have a template row in Namespaces, which I think I saw I possibly should have when I was perusing the manual earlier. I have...
# Title BB-Code Tag Name Display Order Controls
0 Island N/A N/A [Edit] [Rebuild]
1 Special [special] [Edit] [Rebuild]
6 Default wiki [wiki] [Edit] [Forum] [Rebuild]
7 Category [category] [Edit] [Rebuild] [Delete]
8 Image [image] [Edit] [Rebuild] [Delete]