justinfrench/formtastic — pull request #725 by haines (2011-10-24 10:54:26+00:00)
Title: Invalid html output for nested inputs with multiple siblings

When inputs are nested with multiple inputs at the same sublevel, only the first fieldset at each sublevel is wrapped in a li, resulting in invalid html:

```
form > fieldset > ol
li > fieldset
fieldset
```