Editing a post mutilates any list BBCode

Other The Library
1

Original code:

> [ul]
> [li]A[/li]
> [li]B[/li]
> [li]C[/li]
> [li]D[/li]
> [/ul]

Code seen when editing that post:

> [ul]
> [list]
> [li]A[/li]
> [/ul][/list][ul]
> [list]
> [li]B[/li]
> [/ul][/list][ul]
> [list]
> [li]C[/li]
> [/ul][/list][ul]
> [list]
> [li]D[/li]
> [/ul][/list]