From the PR:
'colordemo' from open-motif can be used to select colors by either RGB values
or from the file rgb.txt. However, the underlying library doesn't honour XBASE
and looks for the file in the wrong place.
Submitted by: Volker Stolz <firstname.lastname@example.org>
Approved by: maintainer timeout (and the fact that Volker won't let
me pass my upcoming Haskell classes next terms if I
don't commit this)