2001-02-17  Jody Goldberg <jgoldberg@home.com>

	* src/cell-draw.c (cell_draw) : take the coords of the center of the
	  region directly, rather than the left offset.

	* src/preview-grid.c (preview_grid_draw) : change sematics of the
	  centering arg to cell_draw.
	* src/item-grid.c (item_grid_draw) : ditto.
	(item_grid_draw_merged_range) : ditto. Fix drawing of selected cells.