We see in
HISTORY:* Removed $wgUseCategoryMagic option, categories are now enabled unconditionally
but in
maintenance/language/splitLanguageFiles.inc:'sitesettings-wgUseCategoryMagic',
and http://www.mediawiki.org/wiki/Manual:Configuration_settings
it has not yet been removed or marked obsolete.
Also on that webpage
$wgUseCategoryBrowser - Disable experimental dmoz-like category browsing.
s/Disable/Enable/ ... But I can't tell any difference on my wiki
anyway.
Also on that web page remove wgAllowAnonymousMinor, (which I thought
pertained to age<18 :-)), as we see
HISTORY:1891:* Removed broken wgAllowAnonymousMinor and added new group right minoredit
Version: 1.10.x
Severity: trivial