>>>>> "U" == Useko Netsumi <REMOVE_THISusenets / nyc.rr.com> writes:

U> If that's true, then how come it did not give any error on windows?

 It depend on the ruby version

svg% /usr/bin/ruby -ve 'p Kernel::Hash'
ruby 1.8.0 (2003-05-13) [i686-linux]
Hash
svg% 

svg% ./ruby -ve 'p Kernel::Hash'
ruby 1.8.0 (2003-06-24) [i686-linux]
-e:1: warning: toplevel constant Hash referenced by Kernel::Hash
Hash
svg% 



Guy Decoux