enforcing the license on FSF-copyrighted software
They do, however accept reports of suspected GPL violations and assist GPL developers in upholding their rights.
The Compliance Lab has been an informal activity of the FSF since 1992 and was formalized in December 2001. We handle all licensing-related issues for FSF. We serve the free software community by providing the public with a "knowledge infrastructure" surrounding the GNU GPL and free software licensing, and enforcing the license on FSF-copyrighted software.
Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (5) All right, who's the wiseguy who stuck this trigraph stuff in here?