Many many thanks for that patch. I can confirm that now the settings for printer quality and grayscale are used. Tested with Evince and GEdit (using the debs provided in ubuntuforums).
-- gnome programs don't respect ~/.cups/lpoptions https://launchpad.net/bugs/34112 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs