Allows value

Showing 7 pages using this property.
B
Administration  +, Editor  +, Export  +,
MediaWiki  +, BlueSpice  +
BlueSpice pro  +, none  +, BlueSpice free  +,
ISC  +, MIT  +, WTFPL  +,
Bookmaker  +, DocumentManager  +, Teamwork  +,
unknown  +, unstable  +, experimental  +,
MediaWiki  +, BlueSpice  +