From: Do One <do1@...>
Date: 2009-02-24T21:54:21+09:00
Subject: Re: encoding problem with tr() and hash keys

Brian Candler wrote:
> But now I think I understand the problem, it's easy to find more 
> examples of the same brokenness. Here's one:
> 
> #encoding: utf-8
> a = "a"
> b = "aß"
> b = b.delete("ß")
> h = {a => 1}
> p h.key?(a)     #true
> p h.key?(b)     #false !!

This is still false even in "fixed" 1.9.2dev. Probably you should report 
it. :)


> I wonder just how many other string methods are broken in this way? And 
> how many extension writers are going to set this hidden flag correctly 
> in their strings, if even the ruby core developers don't always do it?

Scary.
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