def merge(self, other_tc):
        """
        Return the top-left ``<w:tc>`` element of a new span formed by
        merging the rectangular region defined by using this tc element and
        *other_tc* as diagonal corners.
        """
        top, left, height, width = self._span_dimensions(other_tc)
        top_tc = self._tbl.tr_lst[top].tc_at_grid_col(left)
        top_tc._grow_to(width, height)
        return top_tc
def merge ( self , other_tc ) : top , left , height , width = self . _span_dimensions ( other_tc ) top_tc = self . _tbl . tr_lst [ top ] . tc_at_grid_col ( left ) top_tc . _grow_to ( width , height ) return top_tc
Return the top-left ``<w:tc>`` element of a new span formed by
        merging the rectangular region defined by using this tc element and
        *other_tc* as diagonal corners.