# File lib/yard/templates/helpers/html_helper.rb, line 154
      def html_syntax_highlight(source, type = nil)
        return "" unless source
        return h(source) unless options.highlight

        new_type, source = parse_lang_for_codeblock(source)
        type ||= new_type || :ruby
        meth = "html_syntax_highlight_#{type}"
        respond_to?(meth) ? send(meth, source) : h(source)
      end