class Prawn::Table::Cell::Text

def draw_content
  with_font do
    @pdf.move_down((@pdf.font.line_gap + @pdf.font.descender)/2)
    with_text_color do
      text_box(:width => spanned_content_width + FPTolerance,
               :height => spanned_content_height + FPTolerance,
               :at => [0, @pdf.cursor]).render
    end
  end
end