[Xmonad] darcs patch: change Dmenu functions to return IO/X (Maybe String)

[Spencer Janssen]

On Saturday 06 October 2007 02:17:02 Devin Mullins wrote:
> Sat Oct  6 03:09:59 EDT 2007  Devin Mullins <me at twifkak.com>
>   * change Dmenu functions to return IO/X (Maybe String)
>   dmenu exits with code 1 when you hit Escape, and I wanna create a contrib
> that takes advantage of that.
>
>   This required changes in four contribs (Commands, DirectoryPrompt,
> ShellPrompt, and WorkspaceDir), and might require changes in users'
> Configs. Also, I'm not sure some of the changes I made to the client code
> are very Haskelly. Would appreciate input there.

Applied.