Auto-insert <br />

If a <br /> is auto-inserted (as a result of a double space followed by a newline) after auto-linked text then an additional angle brace can appear, for example

```
<mailto:someone@someone.com>  \n
Next line
```

Can result in

```
<a href="mailto:someone@someone.com">someone@someone.com</a>
>Next line
```
