# File lib/prawn/flexible-table/cell.rb, line 86
      def text_area_height
        text_height = 0
        if @font_size
          @document.font_size(@font_size) do
            text_height = @document.height_of(@text, :width => text_area_width)
          end
        else
          text_height = @document.height_of(@text, :width => text_area_width)
        end
        text_height
      end