2005-10-10  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpviewable.c (gimp_viewable_get_description): set the
	"tooltip" return value to NULL before calling the virtual function.

	* app/core/gimpbrush.c
	* app/core/gimpbuffer.c
	* app/core/gimpchannel.c
	* app/core/gimplayer.c
	* app/core/gimppaintinfo.c
	* app/core/gimppalette.c
	* app/core/gimppattern.c
	* app/core/gimptoolinfo.c (get_description): don't do it here.

	* app/core/gimpbuffer.c
	* app/core/gimppaintinfo.c: untabbify, cleanup.

	* app/core/gimpobject.c: emit "notify::name" whenerver the name
	changes, clenup.