{agenda} TTWG Meeting 2018-05-31

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=20180531T10&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: Thierry, Andreas, Pierre

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. TTWG Charter
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. HDR in PNG (placeholder)
9. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

June meetings:

Thursday 7th June: TTWG meeting ? Hour(s)
Thursday 14th June: TTWG meeting ? Hour(s)
Thursday 21st June: TTWG meeting ? Hour(s)
Thursday 28th June: TTWG meeting ? 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 5th July: TTWG meeting ? Hour(s)
Thursday 12th July: TTWG meeting ? Hour(s)
Thursday 19th July: TTWG meeting ? Hour(s)
Thursday 26th July: TTWG meeting ? Hour(s)

Agenda+ TTWG Charter

We have a new Charter! https://www.w3.org/2018/05/timed-text-charter.html

Action: Chair to remove this agenda item for the next agenda

Agenda+ TTML1 Actions, Pull Requests and Issues

Actions

None in Tracker

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

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

Request to create a ttml1-tests repository.

Recent Activity

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).

No pull requests opened or issues closed.

Pull Requests To Review (if discussion requested)

No new pull requests opened


New (and old) Issues and Pull Requests to Discuss

One older pull request open:
Proposed #353 Move edition number to subtitle (#352)<https://github.com/w3c/ttml1/pull/353>

(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/

Agenda+ TTML2 Actions, Pull Requests and Issues

Actions

No overdue actions

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

(since last agenda was sent out)

 27 Pull requests merged by 1 person
Merged #747 Refactor #profile-version-2 feature (#687).<https://github.com/w3c/ttml2/pull/747>
Merged #744 Refactor extent features (#693, #730).<https://github.com/w3c/ttml2/pull/744>
Merged #802 Correct discrepancy in tts:textEmphasis example (#780).<https://github.com/w3c/ttml2/pull/802>
Merged #801 Clarify that text emphasis applies to glyph areas using language from…<https://github.com/w3c/ttml2/pull/801>
Merged #800 Remove relic values of ruby reserve; fix RNC schema (#783).<https://github.com/w3c/ttml2/pull/800>
Merged #737 Use COMMA as separator in a list of text shadows (#720).<https://github.com/w3c/ttml2/pull/737>
Merged #735 Change text shadow offset to denote absolute (writing mode independen…<https://github.com/w3c/ttml2/pull/735>
Merged #733 Specify fallback semantics for tts:textCombine (#725).<https://github.com/w3c/ttml2/pull/733>
Merged #729 Expand #opacity feature definition using #padding as model (#728).<https://github.com/w3c/ttml2/pull/729>
Merged #778 Move audio styling attributes to main styling section (#591).<https://github.com/w3c/ttml2/pull/778>
Merged #776 Clarify semantics of extent value 'auto' versus 'auto auto' (#690).<https://github.com/w3c/ttml2/pull/776>
Merged #775 Mark #region-timing as optional (#767).<https://github.com/w3c/ttml2/pull/775>
Merged #762 Remove language that leads to incorrect inferences about style proper…<https://github.com/w3c/ttml2/pull/762>
Merged #760 Clarify that validation and content processing may be interleaved (#6…<https://github.com/w3c/ttml2/pull/760>
Merged #758 Add missing animation binding and timing attributes to audio element …<https://github.com/w3c/ttml2/pull/758>
Merged #757 Fix typo (#753).<https://github.com/w3c/ttml2/pull/757>
Merged #756 Enumerate named item tokens (#754).<https://github.com/w3c/ttml2/pull/756>
Merged #750 Qualify use of 'line area' (#749).<https://github.com/w3c/ttml2/pull/750>
Merged #748 Improve consistency of use of '@' prefix on attributes (#746).<https://github.com/w3c/ttml2/pull/748>
Merged #743 Mark new attributes (in this specification) as having no derivation (…<https://github.com/w3c/ttml2/pull/743>
Merged #741 Clarify explanation of percentage edge offset in tts:position example…<https://github.com/w3c/ttml2/pull/741>
Merged #738 Add ttp:displayAspectRatio (rewriting the now obsolete ttp:storageAsp…<https://github.com/w3c/ttml2/pull/738>
Merged #736 Specify 0px as the default value for blur radius (#721).<https://github.com/w3c/ttml2/pull/736>
Merged #734 Fix typo in keyword for tts:textCombine (#724).<https://github.com/w3c/ttml2/pull/734>
Merged #732 Account for use of auto keyword in derivation of tts:textEmphasis (#726).<https://github.com/w3c/ttml2/pull/732>
Merged #716 Change tts:luminanceGain to non-inheritable (#715).<https://github.com/w3c/ttml2/pull/716>
Merged #701 Fix schema typos and missing specification syntax for definition of '…<https://github.com/w3c/ttml2/pull/701>

 30 Issues closed by 1 person
Closed #687 Refine #profile-version-2 feature designator.<https://github.com/w3c/ttml2/issues/687>
Closed #730 Feature #extent-measure also affects <length><https://github.com/w3c/ttml2/issues/730>
Closed #693 Refine #extent-version-2 feature designator.<https://github.com/w3c/ttml2/issues/693>
Closed #780 Example at tts:textEmphasis is incorrect<https://github.com/w3c/ttml2/issues/780>
Closed #781 Clarify whether emphasis marks apply to glyph areas and/or inline areas<https://github.com/w3c/ttml2/issues/781>
Closed #783 Match <ruby-reserve> values to <annotation-position>.<https://github.com/w3c/ttml2/issues/783>
Closed #720 COMMA delimiter missing in <text-shadow><https://github.com/w3c/ttml2/issues/720>
Closed #722 Derivation of tts:textShadow incorrect<https://github.com/w3c/ttml2/issues/722>
Closed #723 Direction of tts:textShadow depends on writing direction.<https://github.com/w3c/ttml2/issues/723>
Closed #725 Fallback for tts:textCombine="digits".<https://github.com/w3c/ttml2/issues/725>
Closed #728 Reflect tts:opacity applicability expansion in features<https://github.com/w3c/ttml2/issues/728>
Closed #591 Rename and refactor module subsections.<https://github.com/w3c/ttml2/issues/591>
Closed #690 The #extent-measure designation includes the value auto.<https://github.com/w3c/ttml2/issues/690>
Closed #767 Erroneous designation of #region-timing as mandatory.<https://github.com/w3c/ttml2/issues/767>
Closed #630 Use of "may be derived from".<https://github.com/w3c/ttml2/issues/630>
Closed #674 Validation need not be prior to other processing.<https://github.com/w3c/ttml2/issues/674>
Closed #751 Add missing animation binding and timing attributes on tt:audio in schemas.<https://github.com/w3c/ttml2/issues/751>
Closed #753 Fix #transformation link to #timing<https://github.com/w3c/ttml2/issues/753>
Closed #754 Fix <item-name> in schemas.<https://github.com/w3c/ttml2/issues/754>
Closed #749 Definition of "last affected line area" in <annotation-position>.<https://github.com/w3c/ttml2/issues/749>
Closed #746 Improve consistency with use of @ prefix on attribute names.<https://github.com/w3c/ttml2/issues/746>
Closed #709 Derivations missing for tts:{disparity,luminanceGain,rubyReserve}<https://github.com/w3c/ttml2/issues/709>
Closed #712 Incorrect description of tts:position example.<https://github.com/w3c/ttml2/issues/712>
Closed #719 Add ttp:displayAspectRatio to RNC/XSD schemas<https://github.com/w3c/ttml2/issues/719>
Closed #721 Initial value of blur radius unspecified<https://github.com/w3c/ttml2/issues/721>
Closed #724 Wrong keyword specified with <text-combine>.<https://github.com/w3c/ttml2/issues/724>
Closed #726 Derivation of tts:textEmphasis incorrect<https://github.com/w3c/ttml2/issues/726>
Closed #666 Typo in <text-combine>, "auto" should read "all".<https://github.com/w3c/ttml2/issues/666>
Closed #715 Inheritance of tts:luminanceGain<https://github.com/w3c/ttml2/issues/715>
Closed #699 Animate @calcMode value displace{,d} should read paced.<https://github.com/w3c/ttml2/issues/699>

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

 22 Pull requests proposed by 1 person
Proposed #731 Refactor semantics of #region-inline-implicit (#727).<https://github.com/w3c/ttml2/pull/731>
Proposed #739 Add #length-root-container-relative feature (#718).<https://github.com/w3c/ttml2/pull/739>
Proposed #740 Clarify application of ruby alignment and positioning (#717).<https://github.com/w3c/ttml2/pull/740>
Proposed #755 Describe generically compliant processors that support only external …<https://github.com/w3c/ttml2/pull/755>
Proposed #759 Add #unicodeBidi-version-2 feature designator (#679).<https://github.com/w3c/ttml2/pull/759>
Proposed #761 Add override support for validation abort processing (#672).<https://github.com/w3c/ttml2/pull/761>
Proposed #766 Clarify generic processor conformance (#673).<https://github.com/w3c/ttml2/pull/766>
Proposed #768 Revert optionality of metric (#752).<https://github.com/w3c/ttml2/pull/768>
Proposed #769 Exclude vertical length offset as 1st component in 2 component positi…<https://github.com/w3c/ttml2/pull/769>
Proposed #770 Add features for standard and high dynamic range PNG images (#694, #6…<https://github.com/w3c/ttml2/pull/770>
Proposed #771 Clarify use of multiple specifications of initial value for the same …<https://github.com/w3c/ttml2/pull/771>
Proposed #772 Add explicit exceptions to ignoring element semantics with condition …<https://github.com/w3c/ttml2/pull/772>
Proposed #774 Make tts:ruby non-animatable (#773).<https://github.com/w3c/ttml2/pull/774>
Proposed #777 Clarify distinction between validation processing, validation process…<https://github.com/w3c/ttml2/pull/777>
Proposed #794 Clean up and refactor features (#688, #763, #789, #790, #791, #792, #…<https://github.com/w3c/ttml2/pull/794>
Proposed #795 Editorial improvement and typo fix for ruby constraints (#786, #787, …<https://github.com/w3c/ttml2/pull/795>
Proposed #798 Clarify 'outside' for annotation position when only one line area is …<https://github.com/w3c/ttml2/pull/798>
Proposed #799 Clarify use of font* properties in resolving default line height (#785).<https://github.com/w3c/ttml2/pull/799>
Proposed #803 Collapse language for style application to paragraph text nodes; add …<https://github.com/w3c/ttml2/pull/803>
Proposed #805 Add and update element derivations (#380).<https://github.com/w3c/ttml2/pull/805>
Proposed #807 Add tts:lineShear and tts:shear style attributes (#784).<https://github.com/w3c/ttml2/pull/807>
Proposed #808 Add xml:base to core vocabulary (#804).<https://github.com/w3c/ttml2/pull/808>

Plus 5 pull requests open for longer:


Proposed #705 Improve constraint/clarification semantics for animate element (#700).<https://github.com/w3c/ttml2/pull/705>
Proposed #707 Remove @style from animate and set (#703).<https://github.com/w3c/ttml2/pull/707>
Proposed #651 Update requirements for claim of document (content) compliance (#495).<https://github.com/w3c/ttml2/pull/651>
Proposed #652 Resolve confusion between default and implicit (#590).<https://github.com/w3c/ttml2/pull/652>
Proposed #665 Clarify that metadata has no presentation semantics (#656).<https://github.com/w3c/ttml2/pull/665>



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

 21 Issues created by 5 people
Opened #806 Use of maximum descendant font size in normal line height computation.<https://github.com/w3c/ttml2/issues/806>
Opened #804 Add missing xml:base attribute.<https://github.com/w3c/ttml2/issues/804>
Opened #797 Clarify text combination.<https://github.com/w3c/ttml2/issues/797>
Opened #796 Clarify that tts:luminanceGain shall not apply unless absolute HDR scheme used.<https://github.com/w3c/ttml2/issues/796>
Opened #793 Refactor #rubyAlign features.<https://github.com/w3c/ttml2/issues/793>
Opened #792 Remove #font*-p feature designators.<https://github.com/w3c/ttml2/issues/792>
Opened #791 Add missing #display-version-2 feature.<https://github.com/w3c/ttml2/issues/791>
Opened #790 Refactor #condition features.<https://github.com/w3c/ttml2/issues/790>
Opened #789 Add missing constraints on content profile feature prohibitions.<https://github.com/w3c/ttml2/issues/789>
Opened #788 Clarify no preceding sibling case on ruby delimiter.<https://github.com/w3c/ttml2/issues/788>
Opened #787 Clarify no preceding sibling case on ruby text content.<https://github.com/w3c/ttml2/issues/787>
Opened #786 Fix typos and improve readability of ruby nesting constraints.<https://github.com/w3c/ttml2/issues/786>
Opened #785 Clarify meaning of font* properties being applied to a paragraph.<https://github.com/w3c/ttml2/issues/785>
Opened #784 Add support for block level shear.<https://github.com/w3c/ttml2/issues/784>
Opened #782 Clarify "outside" semantics in <annotation-position><https://github.com/w3c/ttml2/issues/782>
Opened #779 tts:rubyReserve length component semantics<https://github.com/w3c/ttml2/issues/779>
Opened #773 Remove animation from tts:ruby.<https://github.com/w3c/ttml2/issues/773>
Opened #764 Property specified more than once on tt:initial<https://github.com/w3c/ttml2/issues/764>
Opened #763 Rewrite version 1 features as references to [TTML1].<https://github.com/w3c/ttml2/issues/763>
Opened #752 Featurize offset times w/o metric.<https://github.com/w3c/ttml2/issues/752>
Opened #727 Definition of implicit inline region<https://github.com/w3c/ttml2/issues/727>

Issues and Pull requests currently marked as Agenda:

Clarify use of font* properties in resolving default line height (#785). <https://github.com/w3c/ttml2/pull/799>
<https://github.com/w3c/ttml2/pull/799#partial-pull-merging>
 agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>
Clarify 'outside' for annotation position when only one line area is … <https://github.com/w3c/ttml2/pull/798>
<https://github.com/w3c/ttml2/pull/798#partial-pull-merging>
 agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>
Clean up and refactor features (#688, #763, #789, #790, #791, #792, #… <https://github.com/w3c/ttml2/pull/794>
<https://github.com/w3c/ttml2/pull/794#partial-pull-merging>
 agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda>substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>
tts:rubyReserve length component semantics <https://github.com/w3c/ttml2/issues/779> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> works for me<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3A%22works+for+me%22>
Make tts:ruby non-animatable (#773). <https://github.com/w3c/ttml2/pull/774>
<https://github.com/w3c/ttml2/pull/774#partial-pull-merging>
 agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>
Refactor semantics of #region-inline-implicit (#727). <https://github.com/w3c/ttml2/pull/731>
<https://github.com/w3c/ttml2/pull/731#partial-pull-merging>
 agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> pending review<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3A%22pending+review%22> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Asubstantive>
Negative feature designators aren't future proof. <https://github.com/w3c/ttml2/issues/697> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda>
Time containment semantics for smpte time base. <https://github.com/w3c/ttml2/issues/377> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda> pr merged early<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3A%22pr+merged+early%22> 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

As per https://www.w3.org/2018/03/22-tt-minutes.html#resolution01 request transition of IMSC 1.1 to CR.


Recent Activity

No pull requests merged or issues closed.


Pull Requests To Review (if discussion requested)

One pull request open for more than a week:

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


New (and old) Issues to Discuss

 6 Issues created by 3 people
Opened #385 Consider relaxing constraints on <annotation-position> to include "before" and "after"<https://github.com/w3c/imsc/issues/385>
Opened #384 Constrain tts:textCombine<https://github.com/w3c/imsc/issues/384>
Opened #383 Offset <time-expression> w/o metric allowed?<https://github.com/w3c/imsc/issues/383>
Opened #382 No <length> in tts:extent due to prohibited #extent-measure<https://github.com/w3c/imsc/issues/382>
Opened #381 Change reference to TTML to a dated reference<https://github.com/w3c/imsc/issues/381>
Opened #380 Mention #extent-version-2 tts:extent value restriction in §6<https://github.com/w3c/imsc/issues/380>

No issues 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
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)

No pull requests proposed or open.


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

No issues or pull requests currently marked for the agenda.

 2 Issues created by 1 person
Opened #23 Consider adding support for "before" and "after" annotation position<https://github.com/w3c/imsc-vnext-reqs/issues/23>
Opened #22 tts:textCombine="digits" need not be supported<https://github.com/w3c/imsc-vnext-reqs/issues/22>

No issues marked for the agenda at this time.

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

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>

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

No pull requests merged.

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>


 2 Issues created by 2 people
Opened #443 WebVTT file consists of a sequence of [text vs html] segments?<https://github.com/w3c/webvtt/issues/443>
Opened #442 definition of a title safe area for overscan<https://github.com/w3c/webvtt/issues/442>


Agenda+ HDR in PNG [placeholder agenda item]

Links

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/

Activity

None

Agenda+ AOB

References

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