patch applied (packages/base): Document that the initial quantity for QSem and QSemN must be >= 0

[Ian Lynagh]

Sat May 23 13:02:38 PDT 2009  Ian Lynagh <igloo at earth.li>
  * Document that the initial quantity for QSem and QSemN must be >= 0

    M ./Control/Concurrent/QSem.hs -1 +2
    M ./Control/Concurrent/QSemN.hs +1

View patch online:
http://darcs.haskell.org/packages/base/_darcs/patches/20090523200238-3fd76-1a32f449cca449de9840ea0bdbe4018229e8c089.gz