2004-09-10  Sven Neumann  <sven@gimp.org>

	* tools/pdbgen/pdb/drawable.pdb
	* tools/pdbgen/pdb/image.pdb: corrected documentation for
	_gimp_drawable_thumbnail() and _gimp_image_thumbnail().

	* app/pdb/drawable_cmds.c
	* app/pdb/image_cmds.c
	* libgimp/gimpdrawable_pdb.c
	* libgimp/gimpimage_pdb.c: regenerated.

	* libgimp/gimpdrawablepreview.c (gimp_drawable_preview_draw_thumb):
	also handle GRAY and GRAYA thumbnails.