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Re: IDNA and U+08A1 and related cases (was: Re: Barry Leiba's Discuss on draft-ietf-json-i-json-05: (with DISCUSS and COMMENT))

Viktor Dukhovni <ietf-dane@dukhovni.org> Tue, 27 January 2015 03:38 UTC

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Date: Tue, 27 Jan 2015 03:38:16 +0000
From: Viktor Dukhovni <ietf-dane@dukhovni.org>
To: ietf@ietf.org
Subject: Re: IDNA and U+08A1 and related cases (was: Re: Barry Leiba's Discuss on draft-ietf-json-i-json-05: (with DISCUSS and COMMENT))
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References: <53F7192220184F83FF8C472C@JcK-HP8200.jck.com> <20150127021142.12662.qmail@ary.lan>
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On Tue, Jan 27, 2015 at 02:11:42AM -0000, John Levine wrote:

> Of course, you can put any crud in the 3LD and below, but that's
> always been true.

Indeed.  For example, Safari seems to be based on IDNA 2003, and
displays

    xn--ls8h.example.com

(U+1F4A9) as

    <glyph for smiling pile of poo>.example.com

while Firefox and Chrome manage to avoid displaying that glyph,
leaving the domain in Punycode form.

-- 
	Viktor.

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