Typo with semicolon: &ellips; should be flagged.

Missing semicolon: section &numero 5 should be flagged.

Near-miss without semicolon: &hellp here should be flagged.

Valid entity &hellip; should not be flagged.

Tom & Jerry are friends — should not be flagged.

AT&T is a company — should not be flagged.

Inline code `&ellips;` should not be flagged.

Link [example](https://example.com/?a=1&ellips=2) should not be flagged.

```
&ellips;
&numero
```
