Merged revisions 68378 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r68378 | mark.dickinson | 2009-01-07 17:48:33 +0000 (Wed, 07 Jan 2009) | 2 lines

  Issue #4869: clarify documentation for random.expovariate.
........