{agenda} TTWG Meeting 2018-07-19

This meeting is scheduled for up to 120 minutes.
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=20180719T10&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: Cyril, Glenn

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. Prioritise discussion for this meeting and look ahead
2. TTML1 Actions, Pull Requests and Issues
3. TTML2 Actions, Pull Requests and Issues
4. IMSC Actions, Pull Requests and Issues
5. IMSC vNext requirements Actions, Pull Requests and Issues
6. CSS Actions Review
7. WebVTT (David Singer to Chair if present)
8. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

July meetings:

Thursday 26th July: TTWG 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


Further ahead:

Thursday 2nd August: TTWG meeting 2 Hour(s)
Thursday 9th August: TTWG meeting 2 Hour(s)
Thursday 16th August: TTWG meeting 2 Hour(s) - NM regrets
Thursday 23rd August: TTWG meeting 2 Hour(s) - NM regrets
Thursday 30th August: TTWG meeting 2 Hour(s) -

Next planned face to face: TPAC 2018 Lyon<https://www.w3.org/2018/10/TPAC/Overview.html>, 22-26 October.

Future meeting times: Switch to UTC from Boston time as the basis?

Agenda+ TTML1 Actions, Pull Requests and Issues

Actions

No actions due in tracker.

Next steps to complete the TTML1 3rd Ed implementation report?

https://www.w3.org/wiki/TTML1-3ED_implementation_report


Proposal to publish TTML1 CR2 to reduce delta to TTML2, depending on publication timelines – Nigel has proposed an approach, hoping to discuss with Philippe when he is available.

Recent Activity

Call for Consensus to publish CR2 sent July 17th: https://lists.w3.org/Archives/Public/public-tt/2018Jul/0115.html

Proposed timeline for publication: https://lists.w3.org/Archives/Public/public-tt/2018Jul/att-0119/00-part


TTML1 3rd Edition CR was published on 24th April at https://www.w3.org/TR/2018/CR-ttml1-20180424/ (and pointed to by https://www.w3.org/TR/ttml1/ also).


 2 Pull requests merged by 1 person
Merged #355 Update tts:lineHeight='normal' algorithm to match TTML2<https://github.com/w3c/ttml1/pull/355>
Merged #356 Clarify the default value of blur radius for tts:textOutline<https://github.com/w3c/ttml1/pull/356>

 2 Issues closed by 1 person
Closed #354 Computed value of tts:lineHeight="normal" should match TTML2 CR2<https://github.com/w3c/ttml1/issues/354>
Closed #351 Clarify default value of blur radius<https://github.com/w3c/ttml1/issues/351>


Pull Requests To Review (if discussion requested)

No pull requests opened this week.

Two pull requests open for longer:

Proposed #353 Move edition number to subtitle (#352)<https://github.com/w3c/ttml1/pull/353>
Proposed #357 TTML1 3ED CR2<https://github.com/w3c/ttml1/pull/357>


New (and old) Issues to Discuss

No issues opened this week.

(Plus unresolved issues with ongoing conversations, to be confirmed.)

No issues or pull requests marked for the agenda


Links

TTML1 issues and pull requests labelled for the agenda: https://github.com/w3c/ttml1/labels/agenda

TTML1 issues blocked: https://github.com/w3c/ttml1/labels/blocked

Current open issues: https://github.com/w3c/ttml1/issues

Most recent TTML1 3rd Edition CR: https://www.w3.org/TR/2018/CR-ttml1-20180424/

TTML1 Tests repo: https://github.com/w3c/ttml1-tests


Agenda+ TTML2 Actions, Pull Requests and Issues

Actions

ID      State   Title   Person  Due Date        Associated with
ACTION-443<https://www.w3.org/AudioVideo/TT/tracker/actions/443>[(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     2018-07-05      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>

What needs to be done to complete the TTML2 implementation report?

https://www.w3.org/wiki/TTML/TTML2ImplementationReport


Request to create a ttml2-tests repository.

Recent Activity

 2 Pull requests merged by 1 person
Merged #885 Remove @style from initial in schemas (#878).<https://github.com/w3c/ttml2/pull/885>
Merged #866 Fix typo (#857).<https://github.com/w3c/ttml2/pull/866>

 4 Issues closed by 1 person
Closed #910 Consider allowing both @region and inline region on same element.<https://github.com/w3c/ttml2/issues/910>
Closed #878 Schemas should not permit @style on <initial>.<https://github.com/w3c/ttml2/issues/878>
Closed #888 Change note to normative text regarding inheritance of 'normal' line height.<https://github.com/w3c/ttml2/issues/888>
Closed #857 Replace "expanded-area" with "expanded-rectangle".<https://github.com/w3c/ttml2/issues/857>


Pull Requests open for review (to discuss if requested):

 11 Pull requests proposed by 1 person
Proposed #886 Note potential for false negatives with [validate document] (#876).<https://github.com/w3c/ttml2/pull/886>
Proposed #890 Clarify use of terms altitude, depth, and line gap; add non-normative…<https://github.com/w3c/ttml2/pull/890>
Proposed #897 Add clip{Begin,End} attributes to tt:audio in schemas (#887).<https://github.com/w3c/ttml2/pull/897>
Proposed #898 Ensure audio and image (in presentation contexts) are treated as cont…<https://github.com/w3c/ttml2/pull/898>
Proposed #899 Editorial improvements for 'content element' usage (#892).<https://github.com/w3c/ttml2/pull/899>
Proposed #900 Improve definition of conditionally excluded (included) (#893).<https://github.com/w3c/ttml2/pull/900>
Proposed #902 Update acknowledgments (#901).<https://github.com/w3c/ttml2/pull/902>
Proposed #908 Fix typos and styling (#894).<https://github.com/w3c/ttml2/pull/908>
Proposed #909 Clarify computed cell size; improve language pertaining to pixels (#8…<https://github.com/w3c/ttml2/pull/909>
Proposed #911 Editorial improvements to 11.3.1.2 Inline Regions (#903).<https://github.com/w3c/ttml2/pull/911>
Proposed #912 Note that ISD construction may include early style resolution (#904).<https://github.com/w3c/ttml2/pull/912>

1 pull request open for longer than 1 week:

Proposed #867 Clarify constancy of ECP and EPP (#860).<https://github.com/w3c/ttml2/pull/867>



New (and old) Issues and Pull Requests to discuss:

(Plus unresolved issues with ongoing conversations, to be confirmed.)
TTML2 issues and pull requests labelled for the agenda: https://github.com/w3c/ttml2/labels/agenda


 14 Issues created by 2 people
Opened #907 Use new ISD syntax in §11.3.1.5.<https://github.com/w3c/ttml2/issues/907>
Opened #906 Add tt:image to examples in §11.3.1.5.<https://github.com/w3c/ttml2/issues/906>
Opened #905 Editorial improvements to Synchronic Flow Processing §11.3.1.4.<https://github.com/w3c/ttml2/issues/905>
Opened #904 Editorial improvements to ISD Construction §11.3.1.3.<https://github.com/w3c/ttml2/issues/904>
Opened #903 Editorial improvements to Inline Regions §11.3.1.2.<https://github.com/w3c/ttml2/issues/903>
Opened #901 Update acknowledgments.<https://github.com/w3c/ttml2/issues/901>
Opened #896 Clarify computed cell size, improve pixel related term definitions and usage.<https://github.com/w3c/ttml2/issues/896>
Opened #895 Miscellaneous editorial improvements.<https://github.com/w3c/ttml2/issues/895>
Opened #894 Fix typos or styling.<https://github.com/w3c/ttml2/issues/894>
Opened #893 Refine conditional {ex,in}clusion terms.<https://github.com/w3c/ttml2/issues/893>
Opened #892 Miscellaneous corrections w.r.t. "content element(s)".<https://github.com/w3c/ttml2/issues/892>
Opened #891 Add audio, image in presentation contexts to content elements.<https://github.com/w3c/ttml2/issues/891>
Opened #889 Improve consistency of terminology w.r.t. line height computation.<https://github.com/w3c/ttml2/issues/889>
Opened #887 Add clipBegin and clipEnd to schemas.<https://github.com/w3c/ttml2/issues/887>


There are currently two Issues currently marked as Agenda:

Change TTML1 normative reference to TTML1 3ED. <https://github.com/w3c/ttml2/issues/884> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda>
Unicode bidi should probably not be animatable. <https://github.com/w3c/ttml2/issues/881> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>

Links

Most recent CR published at https://www.w3.org/TR/2018/CR-ttml2-20180313/

Current ED available at https://w3c.github.io/ttml2/


Current open issues:  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+ IMSC Actions, Pull Requests and Issues

Actions

None in tracker (see CSS actions below though)

What is the status of the implementation report and test suite?

Recent Activity

The CfC to publish IMSC 1.1 as CR2 has closed: https://lists.w3.org/Archives/Public/public-tt/2018Jul/0114.html

Thierry has requested the transition: https://lists.w3.org/Archives/Public/public-tt/2018Jul/att-0118/00-part


 7 Pull requests merged by 2 people
Merged #440 Explicitly prohibit tt:image when smpte:backgroundImage is present<https://github.com/w3c/imsc/pull/440>
Merged #439 Permit multiRowAlign and linePadding on initial<https://github.com/w3c/imsc/pull/439>
Merged #438 Clarify that the concrete encoding uses XML 1.0<https://github.com/w3c/imsc/pull/438>
Merged #437 Move definition of conformsToStandard to EBU-TT-M<https://github.com/w3c/imsc/pull/437>
Merged #423 Clarify the recommendation on tts:lineHeight='normal'<https://github.com/w3c/imsc/pull/423>
Merged #422 Refactor tts:origin constraint<https://github.com/w3c/imsc/pull/422>
Merged #417 Address draft CR2 comments<https://github.com/w3c/imsc/pull/417>


 10 Issues closed by 1 person
Closed #428 Update URL and conformsToStandard URNs for EBU-TT-D<https://github.com/w3c/imsc/issues/428>
Closed #429 Image profile allows some style attributes but not initial element<https://github.com/w3c/imsc/issues/429>
Closed #430 §9.4.5.1 should mirror §9.4.4<https://github.com/w3c/imsc/issues/430>
Closed #434 ebutts:linePadding and multiRowAlign should be allowed on initial element<https://github.com/w3c/imsc/issues/434>
Closed #431 XML encoding is not a normative requirement<https://github.com/w3c/imsc/issues/431>
Closed #427 ebuttm:conformsToStandard definition has moved to EBU Tech3390<https://github.com/w3c/imsc/issues/427>
Closed #420 lineHeight restriction should not preclude using the initial element<https://github.com/w3c/imsc/issues/420>
Closed #418 tts:origin/tts:position constraint applies to Text profile only<https://github.com/w3c/imsc/issues/418>
Closed #425 Document Instance conformance should mention §7.2<https://github.com/w3c/imsc/issues/425>
Closed #421 Review comments re: proposed CR2<https://github.com/w3c/imsc/issues/421>


Pull Requests To Review (if discussion requested)

No pull requests opened this week.

Two pull requests open for more than a week:

Proposed #415 IMSC 1.1 CR2<https://github.com/w3c/imsc/pull/415>
Proposed #379 General update<https://github.com/w3c/imsc/pull/379>


New (and old) Issues to Discuss

 7 Issues created by 3 people
Opened #441 Clean-up reference shortcut text<https://github.com/w3c/imsc/issues/441>
Opened #435 Add Stefan Poeschel to the acknowledgements<https://github.com/w3c/imsc/issues/435>
Opened #433 Inconsistent labelling of non-normative sections<https://github.com/w3c/imsc/issues/433>
Opened #432 More color contrast non-compliance<https://github.com/w3c/imsc/issues/432>
Opened #426 §5.1 special case should include image element<https://github.com/w3c/imsc/issues/426>
Opened #424 Conformance conventions are in two places, differently<https://github.com/w3c/imsc/issues/424>
Opened #419 text profile should support anamorphic fonts<https://github.com/w3c/imsc/issues/419>

No issues or pull requests currently labelled as agenda.

Links

IMSC issues and pull requests labelled for the agenda: https://github.com/w3c/imsc/labels/agenda :
IMSC issues blocked: https://github.com/w3c/imsc/labels/blocked


IMSC 1.0.1
Editor's draft is directly viewable at http://w3c.github.io/imsc/imsc1/spec/ttml-ww-profiles.html

IMSC 1.0.1 Rec published at https://www.w3.org/TR/2018/REC-ttml-imsc1.0.1-20180424/

IMSC 1 Rec available at https://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/ - we have resolved to supersede this in favour of 1.0.1
IMSC 1.1 CR published at https://www.w3.org/TR/2018/CR-ttml-imsc1.1-20180503/

Patent policy call for exclusions sent 2017-02-03, archived at https://lists.w3.org/Archives/Public/public-tt/2017Feb/0006.html


IMSC Implementation Page: https://www.w3.org/wiki/TimedText/IMSC1_implementation_page.

IMSC Tests repository: https://github.com/w3c/imsc-tests


IMSC 1.1 FPWD: https://www.w3.org/TR/2017/WD-ttml-imsc1.1-20171017/


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



Agenda+ IMSC vNext Requirements


Links

IMSCvNext Requirements editor's draft: https://w3c.github.io/imsc-vnext-reqs/

IMSCvNext Requirements repository: https://github.com/w3c/imsc-vnext-reqs


Recent Activity

No pull requests merged or issues closed.

Pull requests for review (to discuss if requested)

One pull request open for longer than a week.

Proposed #35 Add support for #length-root-container-relative to Text Profile<https://github.com/w3c/imsc-vnext-reqs/pull/35>

PROPOSAL: Publish IMSC v1.1 Requirements as a WG Note

No issues or pull requests currently marked for the agenda.

 1 Issue created by 1 person
Opened #36 Since some style attributes are permitted in Image profile, permit `#initial`<https://github.com/w3c/imsc-vnext-reqs/issues/36>

Links

IMSC Requirements issues labelled for the agenda: https://github.com/w3c/imsc-vnext-reqs/labels/agenda :
IMSC Requirements issues blocked: https://github.com/w3c/imsc-vnext-reqs/labels/blocked



Agenda+ CSS actions review

There is 1 upcoming action.

ID      State   Title   Person  Due Date        Associated with
ACTION-512<https://www.w3.org/AudioVideo/TT/tracker/actions/512>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/512/edit>     open    Raise an issue with css wg requesting support for lineshear<https://www.w3.org/AudioVideo/TT/tracker/actions/512>       Pierre-Anthony Lemieux  2018-07-05      TTML IMSC 1.1<https://www.w3.org/AudioVideo/TT/tracker/products/13>

For reference, we have the following CSS issues open:

[css-sizing][css-align][css-text] Aligning an aligned block of text within its container <https://github.com/w3c/csswg-drafts/issues/1975> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML>css-align-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-align-4> css-sizing-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-sizing-4> css-text-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-text-4>
[css-inline] Allow background of an inline area to extend to before-and after-edges of the line area <https://github.com/w3c/csswg-drafts/issues/1974> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML> css-inline-3<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-inline-3>
[css-inline][css-text-4] Allow padding to be applied at line start and end <https://github.com/w3c/csswg-drafts/issues/1973> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML> css-inline-3<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-inline-3>css-text-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-text-4>

Additionally the following CSS issues may be of interest:

[css-fonts-4] oblique angle for synthesis in vertical text <https://github.com/w3c/csswg-drafts/issues/2869>  css-fonts-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aopen+label%3Acss-fonts-4>

Are CSS issues filed for all style attributes for which we believe CSS work is needed?

See also https://lists.w3.org/Archives/Public/public-tt/2017Nov/0109.html


CSS WG review

Minutes from TTWG and CSS WG joint meeting at TPAC: https://www.w3.org/2017/11/09-tt-minutes.html#item35

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


TAG design review issue: https://github.com/w3ctag/design-reviews/issues/138


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>

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+ WebVTT

Actions

None in tracker

Links

WebVTT Wide review wiki page: https://www.w3.org/wiki/WebVTT_Wide_Review


Activity

Text Tracks community group announcement of a new WebVTT Editor, Gary Katsevman from Brightcove: https://lists.w3.org/Archives/Public/public-texttracks/2018Jul/0000.html


No pull requests merged this week.

 1 Pull request proposed by 1 person
Proposed #445 Fix typo in section 4.2.2<https://github.com/w3c/webvtt/pull/445>

5 pull requests open for longer than a week:

Proposed #439 Fix some links from the linkchecker and the broken process document link<https://github.com/w3c/webvtt/pull/439>
Proposed #430 Fontsize changes<https://github.com/w3c/webvtt/pull/430>
Proposed #434 Add a definition of "video viewport" and how it relates in HTML5 to object size resolution.<https://github.com/w3c/webvtt/pull/434>
Proposed #438 Update CLA and License agreement<https://github.com/w3c/webvtt/pull/438>
Proposed #419Timeranges<https://github.com/w3c/webvtt/pull/419>

No issues created or closed this week.


Agenda+ AOB

References

Wiki http://www.w3.org/wiki/TimedText






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Received on Wednesday, 18 July 2018 10:34:32 UTC