2001-01-29  Michael Natterer  <mitch@gimp.org>

	* app/Makefile.am
	* app/undo_history.h: new file.

	* app/apptypes.h: removed the "Channel" typedef.

	* app/channel.[ch]: renamed all functions to gimp_channel_*()

	* app/channel_ops.c
	* app/channels_dialog.c
	* app/commands.c
	* app/disp_callbacks.c
	* app/gdisplay.c
	* app/gimage_mask.[ch]
	* app/gimpdnd.c
	* app/gimphistogram.c
	* app/gimpimage.[ch]
	* app/global_edit.c
	* app/layer.c
	* app/layers_dialog.c
	* app/qmask.c
	* app/scan_convert.c
	* app/scan_convert.h
	* app/toolbox.c
	* app/undo.[ch]
	* app/undo_history.c
	* app/xcf.[ch]
	* app/pdb/channel_cmds.c
	* app/pdb/color_cmds.c
	* app/pdb/drawable_cmds.c
	* app/pdb/image_cmds.c
	* app/pdb/pdb_glue.h
	* app/pdb/selection_cmds.c
	* app/pdb/tools_cmds.c
	* app/tools/bezier_select.c
	* app/tools/bezier_selectP.h
	* app/tools/blend.c
	* app/tools/bucket_fill.c
	* app/tools/by_color_select.c
	* app/tools/crop.c
	* app/tools/ellipse_select.c
	* app/tools/free_select.c
	* app/tools/fuzzy_select.c
	* app/tools/fuzzy_select.h
	* app/tools/iscissors.c
	* app/tools/rect_select.c
	* app/tools/text_tool.c
	* app/tools/transform_core.c
	* tools/pdbgen/pdb.pl
	* tools/pdbgen/pdb/channel.pdb
	* tools/pdbgen/pdb/color.pdb
	* tools/pdbgen/pdb/drawable.pdb
	* tools/pdbgen/pdb/selection.pdb
	* tools/pdbgen/pdb/tools.pdb: changed accordingly.