2005-02-13  Sven Neumann  <sven@gimp.org>

	* app/core/gimpprogress.c (gimp_progress_start): accept an empty
	string.

	* app/plug-in/plug-in-progress.c: if NULL is passed as message to
	plug_in_progress_start(), set an empty string on the progress.

	* tools/pdbgen/pdb/progress.pdb:
	* libgimp/gimpprogress.[ch]: wrap the new gimp_progress_set_text()
	PDP function with a function that accepts printf-like arguments.

	* libgimp/gimpprogress_pdb.[ch]: regenerated.

	* lots of plug-ins, most of them file plug-ins:
	use gimp_progress_init(NULL) followed by gimp_progress_set_text()
	to initialize the progress using the new API instead of constructing
	a temporary string.