Re: Obsoleting XML 1.1

See [1] for PR to replace XML1.1 references with references to identical
text in XML1.0 5e.

[1] https://github.com/w3c/ttml2/pull/1159

On Mon, Sep 9, 2019 at 6:09 PM Glenn Adams <glenn@skynav.com> wrote:

> Agreed. We can handle the change in TTML1 3e by using  the errata document
> [1] so we aren't forced to create a 4e just for this change.
>
> [1] https://www.w3.org/2018/11/ttml1-3ed-errata.html
>
> On Mon, Sep 9, 2019 at 5:18 PM Nigel Megitt <nigel.megitt@bbc.co.uk>
> wrote:
>
>> Thanks for highlighting this Pierre.
>>
>> Looking at this from a TTWG perspective and reviewing the comments, it
>> seems that:
>>
>>    1. If XML 1.1 really is obsolete and we don’t need it because XML 1.0
>>    5th Edition does everything that anyone does, then W3C should be motivated
>>    to direct people away from it.
>>    2. TTML1 3rd Ed and TTML2 only reference XML 1.1 for production 4a
>>    which is now available in the identical form in XML 1.0 5th Edition, so
>>    they could be modified without harm to reference XML 1.0 instead.
>>    3. IMSC 1.1 references XML 1.0 and does not reference XML 1.1.
>>
>> From a group perspective therefore I would propose:
>>
>> A) we should remove the references to XML 1.1 in favour of XML 1.0 5th
>> Edition, regardless.
>> B) if there is a TAG determination that XML 1.1 is genuinely obsolete
>> then we request coordination with the team so that they do not obsolete XML
>> 1.1 before we have updated TTML as per A above.
>>
>> Thoughts?
>>
>> Kind regards,
>>
>> Nigel
>>
>>
>>
>> From: Glenn Adams <glenn@skynav.com>
>> Date: Saturday, 7 September 2019 at 00:21
>> To: Pierre-Anthony Lemieux <pal@sandflow.com>
>> Cc: TTWG <public-tt@w3.org>
>> Subject: Re: Obsoleting XML 1.1
>> Resent-From: <public-tt@w3.org>
>> Resent-Date: Saturday, 7 September 2019 at 00:22
>>
>> Actually, it is normatively referenced by all TTML RECs going back to
>> TTML1 1st Edition. See my comment at [1].
>>
>> [1] https://github.com/w3ctag/obsoletion/issues/6#issuecomment-529043881
>>
>> On Sat, Sep 7, 2019 at 1:57 AM Pierre-Anthony Lemieux <pal@sandflow.com>
>> wrote:
>>
>>> Good morning/evening,
>>>
>>> See proposal to obsolete XML 1.1, which TTML 2 normatively references:
>>>
>>> https://github.com/w3ctag/obsoletion/issues/6
>>>
>>> Best,
>>>
>>> -- Pierre
>>>
>>>