Here are some other tests to add:

Should not hint for & in attribute name:
```
<p & ></p>
```

Should not hint for & in attribute value

```
<p title="&"></p>
```

Should not hint for & in url

```
<a href="results.html?id=3&status=open">link</a>
```

Should show multiple hints in same line


```
<p>This &amp; that &amp; the other</p>
```