[transition] PR Request for TTML-IMSC 1.2

From https://github.com/w3c/transitions/issues/245

/cc @nigelmegitt , @palemieux 

# Document title, URLs, estimated publication date

TTML Profiles for Internet Media Subtitles and Captions 1.2
https://www.w3.org/TR/ttml-imsc1.2/
Estimated publication date 11-June-2020

Draft for PR at https://pr-preview.s3.amazonaws.com/w3c/imsc/pull/554.html

# Abstract

https://pr-preview.s3.amazonaws.com/w3c/imsc/pull/554.html#abstract

# Status

https://pr-preview.s3.amazonaws.com/w3c/imsc/pull/554.html#sotd

# Link to group's decision to request transition

CfC: https://lists.w3.org/Archives/Public/public-tt/2020May/0033.html
CfC ended by 5th June, 2020, without any objection (final call: https://www.w3.org/2020/06/04-tt-minutes.html#t04)

# Changes

Change from ttml-imsc1.1 are listed in section:
https://pr-preview.s3.amazonaws.com/w3c/imsc/pull/554.html#substantive-changes-summary

# Requirements satisfied

one requirement is implemented https://github.com/w3c/tt-reqs/issues/15#issuecomment-459381042

# Dependencies met (or not)

No extra dependencies since CR.

# Wide Review

* Horizontal
  * a11y: list of issues https://github.com/w3c/imsc/issues?q=is%3Aissue+label%3Aa11y-needs-resolution
  * i18n: no issue raised
  * privacy: response from Jeffrey Yaskin at https://lists.w3.org/Archives/Public/public-tt/2019Nov/0011.html and from Nick Doty at https://lists.w3.org/Archives/Public/public-tt/2020Mar/0013.html
  * security: https://lists.w3.org/Archives/Public/public-web-security/2020Feb/0002.html
  * TAG: https://github.com/w3ctag/design-reviews/issues/474
* External: https://github.com/w3c/imsc/issues?q=is%3Aissue+label%3A%22Wide+Review+Comment%22+label%3Aimsc1.2

# Issues addressed

issues were addressed at: https://github.com/w3c/imsc/issues?q=is%3Aissue+label%3Aimsc1.2

# Formal Objections

None

# Implementation

Implementation report is at: https://www.w3.org/wiki/TimedText/IMSC1_2_Implementation_Report

# Patent disclosures

See: https://www.w3.org/2004/01/pp-impl/34314/status#disclosures

Received on Tuesday, 9 June 2020 18:33:23 UTC