def titlepage
      @title = CGI.escapeHTML(@producer.config.name_of('title'))

      @body = <<EOT
  <h1 class="tp-title">#{@title}</h1>
EOT

      if @producer.config['subtitle']
        @body << <<EOT
  <h2 class="tp-subtitle">#{CGI.escapeHTML(@producer.config.name_of('subtitle'))}</h2>
EOT
      end

      if @producer.config['aut']
        @body << <<EOT
  <p>
    <br />
    <br />
  </p>
  <h2 class="tp-author">#{CGI.escapeHTML(join_with_separator(@producer.config.names_of('aut'), ReVIEW::I18n.t('names_splitter')))}</h2>
EOT
      end

      publisher = @producer.config.names_of('pbl')
      if publisher
        @body << <<EOT
  <p>
    <br />
    <br />
    <br />
    <br />
  </p>
  <h3 class="tp-publisher">#{CGI.escapeHTML(join_with_separator(publisher, ReVIEW::I18n.t('names_splitter')))}</h3>
EOT
      end

      @language = @producer.config['language']
      @stylesheets = @producer.config['stylesheet']
      tmplfile = if @producer.config['htmlversion'].to_i == 5
                   File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
                 else
                   File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
                 end
      tmpl = ReVIEW::Template.load(tmplfile)
      tmpl.result(binding)
    end
def titlepage
      @title = CGI.escapeHTML(@producer.config.name_of('title'))

      @body = <<EOT
  <h1 class="tp-title">#{@title}</h1>
EOT

      if @producer.config['subtitle']
        @body << <<EOT
  <h2 class="tp-subtitle">#{CGI.escapeHTML(@producer.config.name_of('subtitle'))}</h2>
EOT
      end

      if @producer.config['aut']
        @body << <<EOT
  <p>
    <br />
    <br />
  </p>
  <h2 class="tp-author">#{CGI.escapeHTML(join_with_separator(@producer.config.names_of('aut'), ReVIEW::I18n.t('names_splitter')))}</h2>
EOT
      end

      publisher = @producer.config.names_of('pbl')
      if publisher
        @body << <<EOT
  <p>
    <br />
    <br />
    <br />
    <br />
  </p>
  <h3 class="tp-publisher">#{CGI.escapeHTML(join_with_separator(publisher, ReVIEW::I18n.t('names_splitter')))}</h3>
EOT
      end

      @language = @producer.config['language']
      @stylesheets = @producer.config['stylesheet']
      tmplfile = if @producer.config['htmlversion'].to_i == 5
                   File.expand_path('./html/layout-html5.html.erb', ReVIEW::Template::TEMPLATE_DIR)
                 else
                   File.expand_path('./html/layout-xhtml1.html.erb', ReVIEW::Template::TEMPLATE_DIR)
                 end
      tmpl = ReVIEW::Template.load(tmplfile)
      tmpl.result(binding)
    end
Return title (copying) content.
 NOTE: this method is not used yet.
       see lib/review/epubmaker.rb#build_titlepage