    # 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