Re: {agenda} TTWG Meeting 2017-09-21

Regrets for tomorrow.

On Wed, Sep 20, 2017 at 3:48 PM, Nigel Megitt <nigel.megitt@bbc.co.uk>
wrote:

> *This meeting is scheduled for up to 120m. Please be ready for a prompt
> start at 10:03am Boston time. *
>
> Our teleconference is scheduled with reference to Boston Time, the correct
> time of this teleconference in your locale may change.
>
> Check https://www.timeanddate.com/worldclock/fixedtime.html?
> iso=20170921T10&p1=43
>
> Thursdays 10:03am-12:00pm Boston local
>
> *Joining details: *
>
> see https://lists.w3.org/Archives/Member/member-tt/2016Oct/0009.html
> (members-only link – if you can't see this and wish to join please contact
> me)
>
> *Agenda+ Assign Roles*
>
> *Chairs: *Nigel Megitt
>
> *Scribe:* usually Nigel – open to offers!
>
> *Regrets: *None
>
> *Activity since last meeting:*
> See individual agenda items for recent activity on specific products
>
> Cross-product TTWG board: http://www.w3.org/AudioVideo/TT/board/
>
> *We are still using tracker for actions unrelated to issues.*
> *Please do not add or modify issues in tracker!*
>
>
> IMSC: https://github.com/w3c/imsc/pulse
> TTML1: https://github.com/w3c/ttml1/pulse
> TTML2: https://github.com/w3c/ttml2/pulse
> TTML Profile Registry: https://github.com/w3c/tt-profile-registry/pulse
> TTML-WebVTT mapping: https://github.com/w3c/ttml-webvtt-mapping/pulse
>
> WebVTT: https://github.com/w3c/webvtt/pulse
>
> *Agenda+ Prioritise discussion for this meeting and look ahead*
>
> Check-point for order of topics – I'd suggest, subject to reordering:
> 1. TPAC advanced planning
> 2. TTML2 Horizontal Review
> 3. IMSC
> 4. TTML issue assignment and progress tracking
> 5. TTML1 & TTML2 issues, actions, PRs, editorial actions etc
> 6. WebVTT feedback (David Singer to Chair if present)
> 7. HDR in PNG (placeholder)
> 8. Progress on HTMLCue proposal (placeholder)
> 9. AOB – please notify of any other AOB now!
>
>
>
> Reminder re future milestones and meetings:
>
> *September meetings:*
>
> Thursday 28th September: TTWG phone meeting 2 Hour(s)
>
> *IMSC 2 and TTML2 publication events:* see the timeline of upcoming work
> at *https://www.w3.org/wiki/TimedText/Publications#Timeline_of_TTML2_and_IMSC2_work
> <https://www.w3.org/wiki/TimedText/Publications#Timeline_of_TTML2_and_IMSC2_work> *
>
> *Further ahead:*
>
> Thursday 5th October: TTWG phone meeting ? Hour(s)
> Thursday 12th October: TTWG phone meeting ? Hour(s)
> Thursday 19th October: TTWG phone meeting ? Hour(s)
> Thursday 26th October: TTWG phone meeting ? Hour(s)
>
> *Agenda+ TPAC 2017 Advanced planning*
>
> *Please be ready to discuss TPAC agenda items*
>
> TTWG TPAC2017 wiki page: https://www.w3.org/wiki/TimedText/tpac2017
>
> *Please let the Chair know ASAP if you need remote dial-in*
>
> As Chair I have completed the WBS survey, requesting:
>
> Attendance for ~10 people.
> No preference for date, meet on any two days.
> Flexible about days.
> Joint meeting with CSS WG and with Web and TV IG.
> Avoid overlap with Web and TV IG.
> Permit observers.
> Not member confidential.
> Estimate ~6 attending technical plenary.
> Estimate ~3 attending AC sessions Tuesday and Thursday.
>
> https://www.w3.org/2017/11/TPAC/Overview.html
>
> We will jointly meet the Web & TV IG on the Monday, and have invited CSS
> WG to attend our meeting on the Friday, times to be confirmed.
>
> *Agenda+ TTML2 Horizontal Review*
>
> The CSS WG has been invited to meet us at TPAC on the Friday.
>
> ID State Title Person Due Date Associated with
> ACTION-506 <https://www.w3.org/AudioVideo/TT/tracker/actions/506>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/506/edit> open Draft
> a wiki page explaining our review and disposition steps and labels
> <https://www.w3.org/AudioVideo/TT/tracker/actions/506> Thierry Michel
> 2017-09-21
>
> ID State Title Person Due Date Associated with
> ACTION-504 <https://www.w3.org/AudioVideo/TT/tracker/actions/504>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/504/edit> pending
> review Send csswg an invitation reminder by 2017-09-07
> <https://www.w3.org/AudioVideo/TT/tracker/actions/504> Nigel Megitt
> 2017-09-07
>
> *Collate list of the issues we want to open with CSS WG*
>
> Minutes from CSS WG Paris F2F that Nigel attended remotely on Friday 4th
> August: https://lists.w3.org/Archives/Public/www-style/2017Sep/0000.html
>
> This is at https://www.w3.org/wiki/TTML/CSSRequirements
>
> We also need to explain what the use case is for the features, rather than
> just each styling feature itself.
>
> TAG, CSSWG and Privacy feedback needs processing into TTML2 issues.
>
> CSS Review of TTML2, threads: FW: TTML2 horizontal review with CSS
> <https://lists.w3.org/Archives/Public/public-tt/2016Dec/0013.html> and Fwd:
> Subtitle/caption styling + TTML + CSS
> <https://lists.w3.org/Archives/Public/public-tt/2016Dec/0019.html>
>
> Internationalisation review by r12a has generated several issues on TTML2
> and comments on existing issues (see below), this week mainly about
> alignment with relatively recent CSS developments.
>
> CSS 2.2 request for reviews from TTWG et al: Pre-announcement of CR for
> CSS 2.2 & request for reviews
> <https://lists.w3.org/Archives/Public/public-tt/2016Dec/0017.html> When
> can we schedule a review and gather feedback?
>
> *Agenda+ IMSC (now incorporates Unicode ticket)*
>
> IMSC Tests released as v1.0.0 at https://github.com/w3c/
> imsc-tests/releases/tag/v1.0.0 .
>
> IMSC 1.0.1
> IMSC 1.0.1 CR published at https://www.w3.org/TR/2017/
> CR-ttml-imsc1.0.1-20170713/
> IMSC 1.0.1 Implementation report at https://www.w3.org/wiki/
> TimedText/IMSC1_0_1_Implementation_Report
> IMSC 1 Rec available at https://www.w3.org/TR/2016/
> REC-ttml-imsc1-20160421/
> Patent policy call for exclusions sent 2017-02-03, archived at
> https://lists.w3.org/Archives/Public/public-tt/2017Feb/0006.html
>
> Editor's draft is directly viewable at http://w3c.github.io/imsc/
> imsc1/spec/ttml-ww-profiles.html
> IMSC Implementation Page: https://www.w3.org/wiki/TimedText/IMSC1_
> implementation_page.
> IMSC Tests repository: https://github.com/w3c/imsc-tests
>
> *Unicode CLDR discussion*
> Unicode ticket is at http://unicode.org/cldr/trac/ticket/8915
> Pierre's response to the recent update is at http://unicode.org/cldr/
> trac/ticket/8915#comment:9
> Email response from Shervin at Unicode https://lists.w3.org/
> Archives/Public/public-tt/2016Dec/0018.html
>
> Merged IMSC pull requests: None
>
> Open IMSC pull requests: None
>
> New or discussed IMSC issues:
>
> Should UTF-8 'as specified in' point to the Encoding spec?
> <https://github.com/w3c/imsc/issues/253>
> What fillLineGap does/ affects <https://github.com/w3c/imsc/issues/254>
>
> Closed IMSC issues: None
>
> Merged IMSC Tests pull requests: None
>
> Open IMSC Tests pull requests: None
>
> New or discussed IMSC Tests issues: None
>
> Closed IMSC Tests issues: None
>
>
> *Agenda+ TTML issue assignment and progress tracking (20 minutes maximum)*
>
> We have now published the WD for WR however there are still many issues
> open, and we intend also to apply multiple fixes as already agreed for
> TTML1.
>
> At the moment of writing this agenda, there are:
>
> TTML1 issues:
>
>    - 3 open issues with no milestone, none marked as discussed and agreed
>    - 37 open issues in "3rd Ed" milestone, 15 marked as discussed and
>    agreed
>    - 11 open issues in "3rd Ed Test Suite" milestone, none marked as
>    discussed and agreed
>
> TTML2 issues:
>
>    - 2 open issues on the Editor's CR Work List milestone, none of which
>    has a PR and one of which is marked as "works for me";
>    - 58 open issues with no milestone, none of which has a PR open label.
>    - the "Group's WR action required list" and Editor's WR Work List
>    milestones have been deleted.
>
>
> *Agenda+ TTML1 & TTML2 issues, actions, PRs, editorial actions etc*
>
> Actions:
> ID State Title Person Due Date Associated with
> ACTION-443 <https://www.w3.org/AudioVideo/TT/tracker/actions/443>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/443/edit> open Prepare
> a document showing mapping arib ruby extension features to ttml2 for use as
> a liaison document to arib.
> <https://www.w3.org/AudioVideo/TT/tracker/actions/443> Glenn Adams
> 2016-08-26 TTML2 <https://www.w3.org/AudioVideo/TT/tracker/products/4>
> ACTION-462 <https://www.w3.org/AudioVideo/TT/tracker/actions/462>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/462/edit> open Create
> issue on ttml2 to add "mapping from other versions and profiles of ttml"
> <https://www.w3.org/AudioVideo/TT/tracker/actions/462> Glenn Adams
> 2016-04-28 TTML2 <https://www.w3.org/AudioVideo/TT/tracker/products/4>
>
> Most recent WD published at https://www.w3.org/TR/2017/WD-ttml2-20170630/
>
> Merged TTML1 Pull Requests: None
>
> Merged TTML2 Pull Requests: None
> Open TTML1 Pull Requests: None
>
> Open TTML2 Pull Requests: None
> New TTML1 Issues: None
>
> New TTML2 Issues:
>
> Reference CSS visibility property
> <https://github.com/w3c/ttml2/issues/424>
> Reference CSS z-index property <https://github.com/w3c/ttml2/issues/425>
> Reference CSS text-decoration property
> <https://github.com/w3c/ttml2/issues/426>
> Appendix and semantic basis <https://github.com/w3c/ttml2/issues/427>
>
> Closed TTML1 Issues: None
> Closed TTML2 Issues: None
>
> Discussed TTML1 Issues: None
> Discussed TTML2 Issues:
>
> Add equivalent CSS properties to style attributes
> <https://github.com/w3c/ttml2/issues/406>
>
> Reference CSS justify-content semantic
> <https://github.com/w3c/ttml2/issues/415>
>
>
> *Focus topic(s) for this week*
>
> *Issues*
>
> How we handle CSS equivalent semantics in the TTML2 spec - #406 and
> sub-issues.
>
> *Iterate through open issues with no PR* – decide action to take on each,
> e.g. defer to CR, defer to TTML.next, close etc.
>
> If there are any issues that we decide need to be resolved before WR *a
> proposal for the fix* is needed ASAP (basically, it's too late already
> unless it can easily be agreed by the group).
>
>
> Current open issues: https://github.com/w3c/ttml1/issues and https://
> github.com/w3c/ttml2/issues
> See spreadsheet of editorial actions at https://github.com/w3c/
> ttml2/blob/master/spec/ednotes.xlsx
> Edit/build instructions now in README in ttml2/spec/ at
> https://github.com/w3c/ttml2/blob/master/spec/README.md
>
>
> *Agenda+ WebVTT review feedback*
>
> ID State Title Person Due Date Associated with
> ACTION-396 <https://www.w3.org/AudioVideo/TT/tracker/actions/396>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/396/edit> open Produce
> evidence of request for wide review for webvtt, for the archive
> <https://www.w3.org/AudioVideo/TT/tracker/actions/396> David Singer
> 2015-04-17 WebVTT 1.0
> <https://www.w3.org/AudioVideo/TT/tracker/products/8>
> ACTION-502 <https://www.w3.org/AudioVideo/TT/tracker/actions/502>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/502/edit> open Explain
> to david that we need a more consistent disposition of comments for webvtt.
> <https://www.w3.org/AudioVideo/TT/tracker/actions/502> Thierry Michel
> 2017-08-10 WebVTT 1.0
> <https://www.w3.org/AudioVideo/TT/tracker/products/8>
>
>
> *Discussion on WebVTT review feedback and next steps.*
>
> What are the WG's views on the dispositions generated by the CG?
>
> *Resolve to publish a new WD? (not strictly necessary)*
>
> WebVTT Wide review wiki page: https://www.w3.org/wiki/WebVTT_Wide_Review
>
> Open Pull requests:
>
> Fix #270: Add classes to specify text color
> <https://github.com/w3c/webvtt/pull/279>
>
> Update editor <https://github.com/w3c/webvtt/pull/359>
>
> Merged Pull requests: None
>
> New issues: None
> Closed issues: None
>
> Recently discussed issues: None
>
>
> *Agenda+ HDR in PNG *[placeholder agenda item]
>
>
> We published this Note at https://www.w3.org/TR/png-hdr-pq/ (republished
> 25th July incorporating fix for typo)
>
> Repo for PQ HDR in PNG: https://github.com/w3c/png-hdr-pq
> Draft WG Note: https://w3c.github.io/png-hdr-pq/
>
> Merged pull requests: None
>
> Open pull requests: None
>
> New or discussed issues: None
>
> Closed issues: None
>
> *Agenda+ **HTMLCue proposal progress update. *[placeholder agenda item]
>
>
> ID State Title Person Due Date Associated with
> ACTION-441 <https://www.w3.org/AudioVideo/TT/tracker/actions/441>[image:
> (edit)] <https://www.w3.org/AudioVideo/TT/tracker/actions/441/edit> open Kick
> off the analysis work on the vttcue carrying html idea.
> <https://www.w3.org/AudioVideo/TT/tracker/actions/441> Andreas Tai
> 2015-11-05
>
> See https://lists.w3.org/Archives/Public/public-tt/2016Apr/0012.html for
> further information on this, this week.
>
> Also HTML import and HTMLCue?
> <https://lists.w3.org/Archives/Public/public-tt/2016Sep/0003.html> email
> from 2016-09-06.
>
> See also the notes from the TAG meeting (see agenda item above) at which
> the inability to instantiate TextTrackCue objects in most browsers was
> mentioned.
>
>
>
> *Agenda+ AOB*
>
> *References*
>
> Wiki http://www.w3.org/wiki/TimedText
>
>