mm-uu-diff-groups-regexp

mm-uu-diff-groups-regexp is a variable defined in `mm-uu.el'.
Its value is

"\\(gmane\\|gnu\\)\\..*\\(diff\\|commit\\|cvs\\|bug\\|devel\\)"

Documentation:
Regexp matching diff groups.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 22.1 of Emacs.