# File lib/rdoc/markup/formatter_test_case.rb, line 167
      def test_accept_heading_3
        # HACK this doesn't belong here
        skip "No String#chars, upgrade your ruby" unless ''.respond_to? :chars

        @to.start_accepting

        @to.accept_heading @RM::Heading.new(3, 'Hello')

        accept_heading_3
      end