escape param/tag names before check

about #56 to allow 

```js
/**
 * would not report
 *
 * @param {String} `ticks`
 * @param {String} `<requiredTicks>`
 * @param {Object} `[optional]`
 * @param {Number} `[n="u m"]` some description here
 */
function methodThree(ticks, requiredTicks, optional, num) {}
```