X11 XFree86 video mode extension library libXxf86vm provides an interface to the XFree86-VidModeExtension extension, which allows client applications to get and set video mode timings in extensive detail. It is used by the xvidtune program in particular. More information about X.Org can be found at: <URL:http://www.X.org> <URL:http://xorg.freedesktop.org> <URL:http://lists.freedesktop.org/mailman/listinfo/xorg> This module can be found at git://anongit.freedesktop.org/git/xorg/lib/libXxf86vm