docs: function() {
      return this.callLexerFunction('blank')
        || this.callLexerFunction('eos')
        || this.callLexerFunction('endInterpolation')
        || this.callLexerFunction('yield')
        || this.callLexerFunction('doctype')
        || this.callLexerFunction('interpolation')
        || this.callLexerFunction('case')
        || this.callLexerFunction('when')
        || this.callLexerFunction('default')
        || this.callLexerFunction('extends')
        || this.callLexerFunction('append')
        || this.callLexerFunction('prepend')
        || this.callLexerFunction('block')
        || this.callLexerFunction('mixinBlock')
        || this.callLexerFunction('include')
        || this.callLexerFunction('mixin')
        || this.callLexerFunction('call')
        || this.callLexerFunction('conditional')
        || this.callLexerFunction('each')
        || this.callLexerFunction('while')
        || this.callLexerFunction('tag')
        || this.callLexerFunction('filter')
        || this.callLexerFunction('blockCode')
        || this.callLexerFunction('code')
        || this.callLexerFunction('id')
        || this.callLexerFunction('dot')
        || this.callLexerFunction('className')
        || this.callLexerFunction('attrs')
        || this.callLexerFunction('attributesBlock')
        || this.callLexerFunction('indent')
        || this.callLexerFunction('text')
        || this.callLexerFunction('textHtml')
        || this.callLexerFunction('comment')
        || this.callLexerFunction('slash')
        || this.callLexerFunction('colon')
        || this.fail();
    }