# File lib/hikidoc.rb, line 671
    def block_preformatted(str, info)
      syntax = info ? info.downcase : nil
      if syntax
        begin
          convertor = Syntax::Convertors::HTML.for_syntax(syntax)
          @f.puts convertor.convert(str)
          return
        rescue NameError, RuntimeError
          @f.puts %Q|<pre class="prettyprint">#{text(str)}</pre>|
          return
        end
      end
      preformatted(text(str))
    end