docs: function(c, startLine, startCol) {
          var tt = Tokens.type(c);
          var opts = {};
  
          if (tt === -1) {
              tt = Tokens.CHAR;
          } else {
              opts.endChar = Tokens[tt].endChar;
          }
  
          return this.createToken(tt, c, startLine, startCol, opts);
      }