nobu	2007-07-13 11:33:11 +0900 (Fri, 13 Jul 2007)

  New Revision: 12754

  Modified files:
    trunk/ChangeLog
    trunk/range.c
    trunk/test/ruby/test_range.rb

  Log:
    * range.c (range_max, range_min): return nil for empty set as well as
      1.8 and Enumerable.  [ruby-dev:31198]


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=12754&r2=12753
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_range.rb?r1=12754&r2=12753
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/range.c?r1=12754&r2=12753