2002-09-02  Jody Goldberg <jody@gnome.org>

	* src/mstyle.c (mstyle_new_default) : init the hyperlink to NULL.
	(mstyle_set_hlink) : relax restrictions.

	* src/sheet-control-gui.c (scg_context_menu) : implement the
	  conditions on the hyperlink context menu items.

	* src/sheet-style.c (sheet_style_region_contains_link) : new.
	(cb_find_link) : new.