Sources:

3.2.6: http://git.gnome.org/browse/gedit/tag/?id=3.2.6-osx
3.2.6-2: http://git.gnome.org/browse/gedit/tag/?id=3.2.6-osx-2
3.2.6-3: http://git.gnome.org/browse/gedit/tag/?id=3.2.6-osx-3

See the osx/README in the gedit source for instructions how to
build gedit on OS X:

http://git.gnome.org/browse/gedit/plain/osx/README