option
$wgCapitalLinks = false
activated means:
allows to create pages starting with lowercase letters. The wiki will NOT automatically convert page names anymore. This allows pages like df to have their correct names, but it also means now, for example Template:Manpage and Template:manpage are not the same anymore. You have more freedom to pick page titles but you also have to watch out when creating your links. this caused a few broken links around the wiki that would need fixing