case-folding.rb: check version numbers
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55545 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
case-folding.rb: check version numbers
data files match.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55545 b2dd03c8-39d4-4d8f-98ff-823fe69b080e