2001-09-19  Jody Goldberg <jgoldberg@home.com>

	* src/cell-draw.c (cell_draw) : off by 1.
	* src/print-cell.c (print_cell) : off by 1.

	* src/sheet.c (sheet_cell_calc_span) : support SPANCALC_NO_DRAW
	  and don't bother rendering calculated cells.
	(cb_max_cell_width) : render if necessary.