2006-02-19  Paolo Borelli  <pborelli@katamail.com>

	* gedit/gedit-document.[ch]:
	* gedit/gedit-document-loader.[ch]:
	* gedit/gedit-tab.[ch]:
	* gedit/gedit-command-file.c:

	make the file load api return null in all the involved functions to
	reflect that it is async. Handle correctly valid uris that however
	return a null vfs-uri.