Re: [Ltru] Issue 63: Replace %xgh with U+00gh in text

[Peter Constable <petercon at microsoft.com>]

Addendum: It seems to me that our reference to Unicode should be normative rather than informative.


Peter

-----Original Message-----
From: ltru-bounces at ietf.org [mailto:ltru-bounces at ietf.org] On Behalf Of Peter Constable
Sent: Wednesday, June 10, 2009 8:17 AM
To: "Martin J. Dürst"; Kent Karlsson
Cc: Alexey Melnikov; LTRU Working Group
Subject: Re: [Ltru] Issue 63: Replace %xgh with U+00gh in text

From: ltru-bounces at ietf.org [mailto:ltru-bounces at ietf.org] On Behalf Of "Martin J. Dürst"

>> Nit-pick: Unicode (and ISO/IEC 10646) uses tuple syntax when denoting
>> character sequences. So:
>>
>>      lines containing only the sequence "%%" (<U+0025, U+0025>).
>> ...
>>      The sequence '..' (<U+002E, U+002E>) in a field-body denotes a range of
>>
>>>     other subtags in a tag by a hyphen ("-", [Unicode, p. 1077] U+002D).

> I'm fine with adding the comma. I don't think the IETF uses '<' and '>', 
> so I'd prefer to leave them out.

I'm OK with the comma; I agree that this is IETF, not Unicode, so we should adopt IETF conventions.


>> Still nit-picking: I'm not too keen on including a page number. This
>> is just as valid for other editions of TUS.

> Fine with me to leave that out.

I also would leave out the page number. 

>> And does the reference have to
>> be placed so awkwardly?

I also wonder why have the reference to Unicode here--we wouldn't include it with every reference to an individual character, but at the same time there's nothing about a reference here that indicates the same reference applies in every other mention of specific characters. Rather, I think it would make more sense to give a reference to Unicode at the end of the introduction:

<suggested text>
Specific characters that are mentioned in this document are to be interpreted as characters in the Unicode coded character set ([Unicode]). Character references within ABNF will follow conventions for ABNF given in [RFC 5234]. Character references outside ABNF will use a literal quotation and include the Unicode code position, as recommended in RFC 5137. For example, "-" U+002D.
</suggested text>


In other respects, I'm OK with the changes Martin suggested.


Peter
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