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[idn] Re: IDN's with any ASCII character

To: "Edmon Chung" <edmon@neteka.com>
Subject: [idn] Re: IDN's with any ASCII character
From: Simon Josefsson <jas@extundo.com>
Date: Sun, 04 May 2003 00:52:22 +0200
Cc: "IETF idn working group" <idn@ops.ietf.org>
In-reply-to: <017801c311b7$b577a3b0$0f01a8c0@neteka.inc> (Edmon Chung'smessage of "Sat, 3 May 2003 17:04:19 -0400")
References: <20030429224703.GA29027@nicemice.net><EDEAIFIAOJACNIGAMCPBAEBJFKAA.jarrod@backslash.com.au><20030430050935.GF29027@nicemice.net><005501c310e9$a120eda0$0f01a8c0@neteka.inc><017801c311b7$b577a3b0$0f01a8c0@neteka.inc>
User-agent: Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux)

"Edmon Chung" <edmon@neteka.com> writes:

> Given an input "this&that.com" the output for ToASCII MUST NOT be
> "xn--this&that-.com"
>
> And we have come across implementations that mis-convert it to
> "xn--this&that-.com"

As far as I can tell, this is simply a bug in the implementation, not
in the specification.

> Also, while ToASCII should fail in this case,

It depends.  If the UseSTD3ASCIIRules flag is set, it should fail.
Otherwise, it shouldn't.

References:
- Re: [idn] ToUnicode output can be longer than input
  - From: "Adam M. Costello" <idn.amc+0@nicemice.net.RemoveThisWord>
- [idn] IDN's with any ASCII character
  - From: "Jarrod Hollingworth" <jarrod@backslash.com.au>
- Re: [idn] IDN's with any ASCII character
  - From: "Adam M. Costello" <idn.amc+0@nicemice.net.RemoveThisWord>
- Re: [idn] IDN's with any ASCII character
  - From: "Edmon Chung" <edmon@neteka.com>
- Re: [idn] IDN's with any ASCII character
  - From: "Edmon Chung" <edmon@neteka.com>

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