Fix link to PNG home, remove reference to fribidi.

Fix link to PNG home, remove reference to fribidi.

Tue Dec  5 15:49:31 2000  Owen Taylor  <otaylor@redhat.com>

	* INSTALL: Fix link to PNG home, remove reference
	to fribidi.

	* gdk/x11/gdkevents-x11.c: Fix up for new GMain API.

	* gdk/win32/gdkevents-win32.c: Fix up for new GMain API. (Not
	tested.)

	* gtk/gtkcheckmenuitem.c: Permanently turn on
	always_show_toggle.

	* gtk/gtkclist.c (gtk_clist_get_pixtext): Allow mask to
	be NULL. (Vladimir Klebanov, #26545)

	* gtk/gtkspinbutton.c (gtk_spin_button_insert_text): Fix
	some signed/unsigned comparison problems. (#6510,
	David Kaelbling)

	* gtk/gtkwidget.[ch] (gtk_widget_is_ancestor): Change
	return type to boolean (Oskar Liljeblad, #18648)