For uploaded imports: interwiki prefix to apply to unknown usernames (and known users if $1assignknownusers is set).
You shouldn't even be seeing this. Bizzeebeever told me to add this here so that we can get responsiveness working for all screens.
From Magnum Semi-RP Unturned Game Servers
For uploaded imports: interwiki prefix to apply to unknown usernames (and known users if $1assignknownusers is set).