Issue #4557 has been updated by Marc-Andre Lafortune. Note that this is a windows-only bug. ---------------------------------------- Bug #4557: Invalid case behaviour when comparing a character read from a file http://redmine.ruby-lang.org/issues/4557 Author: Steve Robb Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: ruby 1.9.2p180 (2011-02-18) [i386-mingw32] Reading chars from a file causes the case statement to work incorrectly. The origin of the issue can be found here: http://stackoverflow.com/questions/5550550/difference-between-and-case Confirmed to be working on 1.8.6 and 1.9.2p136 -- http://redmine.ruby-lang.org