Hi,

At Mon, 13 Sep 2010 12:05:11 +0900,
Heesob Park wrote in [ruby-core:32353]:
> ENV.delete raises Invalid argument Exception on Windows.
> 
> The error is due to trying SetEnvironmentVariable even if putenv succeeded.

Does test/ruby/test_env.rb fail now?  I can't check it now.

-- 
Nobu Nakada