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Re: A request for formal registration of "ucode" as URN

Ted Hardie <ted.ietf@gmail.com> Wed, 11 January 2012 22:32 UTC

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Date: Wed, 11 Jan 2012 14:32:54 -0800
Message-ID: <CA+9kkMB5jy-VbCvO0BCc0a0Wwzz5EctxBN6BB5zp9BVLBMSJDw@mail.gmail.com>
Subject: Re: A request for formal registration of "ucode" as URN
From: Ted Hardie <ted.ietf@gmail.com>
To: Peter Saint-Andre <stpeter@stpeter.im>
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Cc: ishikawa <chiaki.ishikawa@ubin.jp>, urn-nid@apps.ietf.org
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On Wed, Jan 11, 2012 at 2:27 PM, Peter Saint-Andre <stpeter@stpeter.im> wrote:
>
>> I would suggest that it permit the use of lower case la-f as well,
>> even if the preferred presentation format of the name uses the upper
>> case.  There are many hexadecimal representations which do not
>> distinguish between the two, so I believe it would be better practice
>> to permit them.
>
> Hi Ted,
>
> That would be inconsistent with this sentence in Section 2 of
> draft-ishikawa-yrpunl-ucode-urn:
>
>   The entire UCODE-URN is case-sensitive.
>

I understand.  From a registration perspective, this is clear.  But
from a practice perspective, it is my personal advice that this will
likely lead to problems, because many hexadecimal parsers would treat
a and A as equivalent.  The authors are, of course, free to discard
this suggestion if the constraints on their system are such that this
will not arise.

Ted


> Peter
>
> --
> Peter Saint-Andre
> http://stpeter.im/

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