2002-11-11 Martin M. Hunt <hunt@redhat.com>

2002-11-11  Martin M. Hunt  <hunt@redhat.com>

	* library/helpviewer.tcl: New file. Finds
	an appropriate help browser and displays the help files.

	* library/vartree.itb: Fix open_help calls.

	* library/helpviewer.ith: Deleted.
	* library/helpviewer.itb: Deleted.

	* library/prefs.tcl (pref_set_defaults): Remove
	pref gdb/help/browser. Add pref gdb/help/browsername.
	We couldn't simply rename because it would break older
	versions of Insight that expect gdb/help/browser to be
	a number.