usa	2008-06-25 18:56:11 +0900 (Wed, 25 Jun 2008)

  New Revision: 17572

  Modified files:
    branches/ruby_1_8/ChangeLog
    branches/ruby_1_8/lib/cgi-lib.rb
    branches/ruby_1_8/lib/getopts.rb
    branches/ruby_1_8/lib/importenv.rb

  Log:
    * lib/{cgi-lib,getopts,importenv}.rb: check caller[0] because when
      required by -r option it's nil.
    


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/lib/importenv.rb?r1=17572&r2=17571&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/lib/getopts.rb?r1=17572&r2=17571&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ChangeLog?r1=17572&r2=17571&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/lib/cgi-lib.rb?r1=17572&r2=17571&diff_format=u