matz	2008-03-12 01:15:14 +0900 (Wed, 12 Mar 2008)

  New Revision: 15750

  Modified files:
    trunk/ChangeLog
    trunk/array.c
    trunk/version.h

  Log:
    * array.c (rb_ary_combination): argument check before creating
      Enumerator.
    
    * array.c (rb_ary_permutation): ditto.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=15750&r2=15749&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/array.c?r1=15750&r2=15749&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15750&r2=15749&diff_format=u