code: function DocParser(){
    return {
      doc: makeBlock('Document', 1, 1),
      tip: this.doc,
      refmap: {},
      inlineParser: new InlineParser(),
      breakOutOfLists: breakOutOfLists,
      addLine: addLine,
      addChild: addChild,
      incorporateLine: incorporateLine,
      finalize: finalize,
      processInlines: processInlines,
      parse: parse
    };
  }
docs: The DocParser object.