Hi,

In message "[ruby-talk:6643] Re: Hash with a key of nil ?"
    on 00/11/30, Dave Thomas <Dave / thomases.com> writes:

|Back to 'nil' as a Hash key. I can't see any reason to forbid it
|(although I believe older Rubys did). For example:

It did.  But I consder it was a bug.

							matz.