FW: [DRAFT] horizontal review request to the TAG with Self-Review Questionnaire.

Thanks Thierry for putting this together, it looks good to me:

On 24/07/2017, 09:15, "Thierry MICHEL" <tmichel@w3.org> wrote:

>Nigel, Glenn,
>
>This is a DRAFT of the horizontal review request to the TAG including
>the Self-Review Questionnaire: Security and Privacy [6]
>
>Please review this message.
>
>The TAG document [5] does not really say where to send the self
>questionnaire answers. Therefore I plan to  send it to <www-tag@w3.org>.
>
>Horizontal Groups like WAI, I18N,  TAG etc, should track new FPWD and
>review those specs, without further notice.
>
>Thierry
>
>_______________________________
>
>
>Dear Technical Architecture Group,
>
>The W3C Timed Text Working Group has recently published a new working
>draft of the Timed Text Markup Language 2 (TTML2).
>
>https://www.w3.org/TR/2017/WD-ttml2-20170630/

>
>TTML2, provides a standardized representation of a particular subset of
>textual information with which stylistic, layout, and timing semantics
>are associated by an author or an authoring system for the purpose of
>interchange and processing.
>In addition to being used for interchange among legacy distribution
>content formats, TTML Content may be used directly as a distribution
>format, providing, for example, a standard content format to reference
>from a <track> element in an HTML5 document, or a <text> or <textstream>
>media element in a [SMIL 3.0] document.
>
>The TTML2 specification updates the TTML1 specification by adding
>vocabulary and semantics to address more of its core requirements,
>including the addition of support for:
>
>     raster images (both foreground and background)
>     author supplied fonts
>     audio descriptions and text to speech
>     ruby text annotations
>     improved vertical line layout
>     text emphasis, kerning, letter spacing, shadows, and variants
>     inline block layout
>     stereoscopic presentation (for 3-D viewing)
>     high definition resolution (HDR) presentation
>     continuous animation
>     hyperlinks
>     conditional element semantics
>     improved metadata extensibility
>     formalized intermediate document syntax
>     various other improvements and bug fixes
>
>The TTWG invites you to review this draft, and requests comments to be
>received by 30 Sept 2017. These comments will be used to fulfill the
>W3C Process [3] requirement for Wide Review of drafts, and  Horizontal
>Review [4]  prior to publication as Candidate Recommendation.
>
>If you wish to make comments regarding this document, please send them
>to public-tt@w3.org <mailto:public-tt@w3.org?subject=%5Bttml%5B> with
>[ttml2] at the start of your email's subject. All comments are welcome,
>however the scope of review will be mainly focused on the new features
>introduced in TTML2.
>
>A cumulative summary of all changes applied to this version since the
>current (TTML1, 2nd Edition) Recommendation was published is available
>for your convenience [5].
>
>
>
>
>The TTWG has also answered the Self-Review Questionnaire: Security and
>Privacy [6]. The TTWG answer are as follows:
>
>Questions to Consider:
>3.1 Does this specification deal with personally-identifiable
>information?
>--> NO it doesn't.
>
>3.2 Does this specification deal with high-value data?
>--> NO it doesn't.
>
>3.3 Does this specification introduce new state for an origin that
>persists across browsing sessions?
>--> NO it doesn't.
>
>3.4 Does this specification expose persistent, cross-origin state to the
>web?
>--> NO it doesn't.
>
>3.5 Does this specification expose any other data to an origin that it
>doesnt currently have access to?
>--> NO it doesn't.
>
>3.6 Does this specification enable new script execution/loading
>mechanisms?
>--> This question as worded is ambiguous to us; is it only about script
>loading and script execution ?
>In our case, a TTML2  document in which a change in the value of an
>externally passed in parameter or a media query (for example) may cause
>a modification of behavior, and this may lead to the loading of external
>resources including audio, images etc, though excluding scripts. We do
>not consider "condition" mechanism to be a scripting language.
>TTML2 allows loading of resources, just not scripts, and has fetch
>semantics by the introduction of external resource loading. It also
>allows the addition of links on spans that can have hyperlinks.
>It does not include or make reference to the processing of any script
>language, executable code or
>  of any external style sheet or style specification.
>
>
>3.7 Does this specification allow an origin access to a user's location?
>--> NO it doesn't.
>
>3.8 Does this specification allow an origin access to sensors on a
>users device?
>--> NO it doesn't.
>
>3.9 Does this specification allow an origin access to aspects of a
>user©ös local computing environment?
>--> NO it doesn't.
>
>3.10 Does this specification allow an origin access to other devices?
>--> NO it doesn't.
>
>3.11 Does this specification allow an origin some measure of control
>over a user agent©ös native UI?
>--> NO it doesn't.
>
>3.12 Does this specification expose temporary identifiers to the web?
>--> NO it doesn't.
>
>3.13 Does this specification distinguish between behavior in first-party
>and third-party contexts?
>--> NO it doesn't.
>
>3.14 How should this specification work in the context of a user agent's
>"incognito" mode?
>--> This specification has no impact on any incognito mode since the
>answer to all the questions about exposing details to origins are "No".
>
>3.15 Does this specification persist data to a user's local device?
>--> User agents may choose to cache referenced external resources; this
>implementation detail is not covered by this specification and the
>specification makes no explicit requirement for caching or non-caching
>of any external resource.
>
>3.16 Does this specification have a "Security Considerations" and
>"Privacy Considerations" section?
>--> YES it does, see
>
>https://www.w3.org/TR/ttml2/#security-and-privacy

>
>3.17 Does this specification allow downgrading default security
>characteristics?
>--> NO it doesn't.
>
>
>
>[1] TTML2 latest version https://www.w3.org/TR/ttml2/

>[2] TTML1 Recommendation https://www.w3.org/TR/ttml1/

>[3] W3C Process https://www.w3.org/2017/Process-20170301/

>[4] Horizontal Review
>https://www.w3.org/Guide/Charter.html#horizontal-review

>[5] https://www.w3.org/TR/security-privacy-questionnaire

>[6] https://www.w3.org/TR/2017/WD-ttml2-20170630/ttml2-changes.html

>
>
>On behalf of Nigel Megitt, co-Chair, W3C Timed Text Working Group
>Thierry Michel, Staff Contact for TTWG.



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Received on Thursday, 27 July 2017 14:47:20 UTC