* gtk/tmpl/gtkprogress.sgml:
	* gtk/tmpl/gtkscale.sgml:
	* gtk/tmpl/gtktreemodel.sgml:
	* gtk/tmpl/gtkimage.sgml:
	* gtk/tmpl/gtksignal.sgml:
	* gtk/tmpl/gtkrc.sgml:
	* gtk/gtk-docs.sgml:
	* gdk/gdk-docs.sgml:
	* gdk/tmpl/threads.sgml:
	* gdk/tmpl/cursors.sgml:
	* gdk/tmpl/rgb.sgml: Replace homegrown "nbsp", "hash" and
	"percent" entities by standard ISO entities "nbsp", "num" and
	"percnt".

	* gtk/text_widget.sgml: Fix a link.