2003-02-11  Michael Natterer  <mitch@gimp.org>

	* app/core/gimpitem.[ch]: added new virtual function duplicate()
	as replacement for all gimp_*_copy() functions.

	* app/core/gimpchannel.[ch]
	* app/core/gimpdrawable.[ch]
	* app/core/gimplayer.[ch]
	* app/core/gimplayermask.[ch]
	* app/vectors/gimpvectors.[ch]: replaced public copy() functions
	by duplicate() implementations.

	* app/text/gimptextlayer.c: added a duplicate() implementation.

	* app/widgets/gimpitemlistview.[ch]: removed the "copy_item_func"
	and simply call gimp_item_duplicate().

	* app/undo.c
	* app/core/gimpimage-duplicate.c
	* app/core/gimpimage-mask.c
	* app/core/gimpimage-qmask.c
	* app/gui/channels-commands.c
	* app/gui/dialogs-constructors.c
	* app/gui/layers-commands.c
	* app/gui/vectors-commands.c
	* app/widgets/gimptoolbox.c
	* tools/pdbgen/pdb/channel.pdb
	* tools/pdbgen/pdb/layer.pdb
	* tools/pdbgen/pdb/selection.pdb: changed accordingly.

	* app/pdb/channel_cmds.c
	* app/pdb/layer_cmds.c
	* app/pdb/selection_cmds.c: regenerated.