code: function rulename() {
      var ret = this.seq(ALPHA, this.manyf(this.choicef(ALPHA, DIGIT, this.stringf('-'))));
      this.rules.last_def = this.rules.line;
      return [].concat(ret[1]).concat(ret[2]).join('');
  }
docs: rulename       =  ALPHA *(ALPHA / DIGIT / "-")