[xmonad] darcs patch: spawnDescendantOn

[Adam Vogt]

* On Tuesday, September 01 2009, wagnerdm at seas.upenn.edu wrote:

>Tue Sep  1 00:42:18 EDT 2009  Daniel Wagner <daniel at wagner-home.com>
>  * add spawnOn-alikes that watch for child processes
>
>  spawnOn is insufficient because many programs are simply shell
>scripts wrapping the real application.  This adds some functions that
>watch for child processes, which treats these scripts properly.
>Notably, launchers like dmenu are dealt with this way.

I think most of the time people would prefer spawnDescendantOn to
spawnOn.  Perhaps the shorter names should go to the new child
finding versions?

--
Adam