# File lib/webby/resources/page.rb, line 69
  def extension
    return _meta_data['extension'] if _meta_data.has_key? 'extension'

    if _meta_data.has_key? 'layout'
      lyt = ::Webby::Resources.find_layout(_meta_data['layout'])
      lyt_ext = lyt ? lyt.extension : nil
      return lyt_ext if lyt_ext
    end

    ext
  end