# File lib/Borges/Component/DateTable.rb, line 87
  def render_month_headings_on(r)
    months_and_lengths do |month, length|
      render_heading_spacer_on(r)
      r.css_class('MonthHeading')
      r.attributes[:colspan] = length
      r.table_heading do
        r.text(Date::MONTHNAMES[month.month])
        r.space
        r.text(month.year)
      end
    end
  end