[Ruby 1.9-Bug#3831] ruby 1.9.1-p430 $B$G!"(BNet::Telnet $B$N(B login $B$,(B undefined method

e$B%A%1%C%He(B #3831 e$B$,99?7$5$l$^$7$?!#e(B (by Erik H.)

Could not replicate this on 1.9.2 with the script provided.

http://redmine.ruby-lang.org/issues/show/3831