Sun Nov 16 08:02:28 PST 2008 Ian Lynagh <igloo at earth.li>
* Change an "undefined" into a more informative error; trac #2782
M ./Data/Data.hs -1 +1
View patch online:
http://darcs.haskell.org/packages/base/_darcs/patches/20081116160228-3fd76-e138ff335d9f3bb5621e18b2596f1b5417b5a601.gz