def merge_cells start_row, start_col, end_row, end_col
      # FIXME enlarge or dup check
      @merged_cells.push [start_row, end_row, start_col, end_col]
    end
def merge_cells start_row, start_col, end_row, end_col
      
      @merged_cells.push [start_row, end_row, start_col, end_col]
    end
def merge_cells start_row , start_col , end_row , end_col # FIXME enlarge or dup check @merged_cells . push [ start_row , end_row , start_col , end_col ] end
Merges multiple cells into one.
Merges multiple cells into one .