Issue #4549 has been updated by Yui NARUSE.

Status changed from Open to Rejected

It is because ?? is not a uppercase letter.
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Bug #4549: Can't start class names with non us-ascii chars
http://redmine.ruby-lang.org/issues/4549

Author: Carl Hörberg
Status: Rejected
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.2p180 (2011-02-18) [i386-cygwin]


irb(main):003:0> #encoding: UTF-8
irb(main):004:0* class ??äö; end
SyntaxError: (irb):4: class/module name must be CONSTANT
class ??äö; end
             ^
        from /usr/local/bin/irb:12:in `<main>'



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