1999-06-28  Sven Neumann  <sven@gimp.org>
	    Michael Natterer  <mitschel@cs.tu-berlin.de>

	* app/plug_in.c: return a PDB_EXECUTION_ERROR if a procedure
	requested by a plugin doesn't exist.

	* plug-ins/helpbrowser/*: The GIMP Help Browser!
	Not yet built by default. You need GtkXmHTML to make it work.
	There is a Makefile.classic for testing it.

	* Makefile.am
	* configure.in
	* help/*: some sample help files. Subdirs are possible, too.