CELL_BORDERS
utf8_set(&gc->data, CELL_BORDERS[cell_type]);
utf8_set(&gc->data, CELL_BORDERS[CELL_NONE]);
utf8_set(&gc->data, CELL_BORDERS[cell_type]);
utf8_set(&gc->data, CELL_BORDERS[CELL_NONE]);
utf8_set(&border_gc.data, CELL_BORDERS[cell_type]);
utf8_set(&border_gc.data, CELL_BORDERS[cell_type]);