[privacy-request] Issue: IMSC Text Profile 1.3 (22 July 2025) (#167) marked as REVIEW REQUESTED

palemieux has just labeled an issue for https://github.com/w3cping/privacy-request as "REVIEW REQUESTED":

== IMSC Text Profile 1.3 (22 July 2025) ==
### Name of your specification

IMSC Text Profile 1.3

### URL of your specification

https://www.w3.org/TR/2025/WD-ttml-imsc1.3-20250722/

### Do you need a reply by a particular date?

2025-09-16

### Please point to the results of your own self-review

IMSC Text Profile 1.3 defines a text-only profile of [ttml2](https://www.w3.org/TR/ttml2/) and, as such, a subset of the privacy considerations detailed in TTML2 apply, as detailed at:

https://www.w3.org/TR/ttml-imsc1.3/#privacy-and-security-considerations

### Raising issues

https://github.com/w3c/imsc/issues

### Pointer to any explainer for the spec

_No response_

### Contacts

@palemieux (primary editor)
@nigelmegitt (TTWG co-chair)
@gkatsev (TTWG co-chair)
@himorin (TTWG team contact)

### Other comments

We are kindly seeking your review of the IMSC Text Profile 1.3 FPWD.

https://www.w3.org/TR/2025/WD-ttml-imsc1.3-20250722/

IMSC Text Profile 1.3 defines a text-only profile of [ttml2](https://www.w3.org/TR/ttml2/) intended for subtitle and caption delivery applications worldwide. IMSC underwent Privacy review in the past, and IMSC 1.3 Text Profile is minor revision. We therefore kindly request that the review be completed before 2025-09-16 (let us know if you do not think you will be able to meet the target data).

The following summarizes the substantive changes made from [IMSC 1.2](https://www.w3.org/TR/ttml-imsc1.2). It is also available at: https://www.w3.org/TR/ttml-imsc1.3/#substantive-changes-summary.

# Japanese character set

A recommended supplementary character set for the Japanese language has been added based on feedback from ARIB, which is an organization of Japanese users.

https://github.com/w3c/imsc/issues/544

# Superscript/subscript text

Support for superscript/subscript text was added based on feedback from French users. This is merely permitting a feature that has been part of TTML2, of which IMSC is a profile, since its inception.

https://github.com/w3c/imsc/issues/583

# Image profile

The IMSC Image Profile, specified in earlier versions of this specification, is removed in this version, following a survey of IMSC users. The IMSC Image Profile specified image-only timed text.

https://github.com/w3c/imsc/issues/600

# Hypothetical Render Model

Following publication of the (IMSC Hypothetical Render Model)[https://www.w3.org/TR/imsc-hrm/] as a separate REC, the definition of the Hypothetical Render Model is removed from this document and replaced with a reference to the separate REC.

https://github.com/w3c/imsc/issues/582

See https://github.com/w3cping/privacy-request/issues/167


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Received on Thursday, 24 July 2025 05:14:50 UTC