According to http://cia.vc/stats/project/gnome/at-poke, this is not really maintained anymore and is superseeded by accerciser. Goal is to get rid of libgail-gnome users in tree.
mail sent.
trunk says it doesn't use libgail-gnome anymore though: http://git.gnome.org/cgit/at-poke/commit/?id=09ff6875f9389734971ce851a56b7cf6f4df3662
gone.