2000-02-11  Michael Meeks  <michael@helixcode.com>

	* src/sheet.c (cellref_name): use sheet_quote_name.
	(sheet_quote_name): implement.

	* src/workbook.h (WorkbookClass): add cell_changed signal.

	* src/workbook.c (workbook_class_init): add cell_changed.

	* src/sheet.c (sheet_load_cell_val): Add signal for blind folks.