Re: Obsoleting XML 1.1

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 If XML 1.1 really is obsolete and we don’t need it because XML 1.0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
>>
>>