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IMSC 1.1 CR1 publication
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‎imsc1/spec/substantive-changes-summary.txt

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**********************************
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* *
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* Summary of substantive changes *
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* *
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**********************************
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NOTE 1: This summary is provided for illustration only. For an exhaustive list of changes, please
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refer to the changesets at https://github.com/w3c/imsc or use the W3C diff tool at
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http://services.w3.org/htmldiff across published versions of the specification.
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NOTE 2: Issues and their dispositions are documented at https://github.com/w3c/imsc/issues
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From WD (20171017)
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==================
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* Clarify the use of recommended character sets (#236)
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* Update feature list per TTML2 CR (#341)
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* Refactor profile signaling provisions (#331)
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* Remove recommendation against TAB characters per TTML2 semantics (#353)
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* Clarify fillLineGap semantics when applied to successive <p> elements (#263)
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* Clarify forcedDisplay semantics (#284)
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* Clarify handling of foreign elements and attributes (#213)
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* Clarify style resolution procedure (#300)
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* Remove recommendations on time expressions and ttp:cellResolution (#329)
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* Remove ttp:version and fix examples (#261)
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* Prohibit simultaneous tts:origin and tts:position (#289)
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* Remove background-color feature per removal in TTML2 (#255)
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* Remove rubyOverhang related features (#286 and #285)
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* Deprecate ittp:aspectRatio in favor of ttp:displayAspectRatio (#273)
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* Deprecate ittm:altText in favor of altText named metadata item (#274)
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* Deprecate #progressivelyDecodable (#272)
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* Deprecates #writingMode-horizontal-rl in Image Profile (#147)
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* Updated profile signaling and resolution to match TTML2 semantics (#3, #124 and #125)
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‎imsc1/spec/ttml-ww-profiles.html

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</script>
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<script class='remove'>
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var respecConfig = {
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specStatus: "ED"
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specStatus: "CR"
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, processVersion: "2018"
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/*, previousMaturity: "WD"*/
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, publishDate: "2017-10-17"
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/*, crEnd: "2017-08-13"*/
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, previousMaturity: "WD"
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, publishDate: "2018-05-03"
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, crEnd: "2018-05-31"
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/*, errata: "http://www.w3.org/2016/04/ttml-imsc1-errata.html"*/
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/*, implementationReportURI: "https://www.w3.org/wiki/TimedText/IMSC1_0_1_Implementation_Report"*/
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, implementationReportURI: "https://www.w3.org/wiki/TimedText/IMSC1_1_Implementation_Report"
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, sotdAfterWGinfo: "true"
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/*, previousPublishDate: "2017-03-22"*/
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, previousPublishDate: "2017-10-17"
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, shortName: "ttml-imsc1.1"
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, otherLinks: [{
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key: 'Latest IMSC1 recommendation',
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, wgPatentURI: "https://www.w3.org/2004/01/pp-impl/34314/status"
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, subjectPrefix: "[imsc1.1]"
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, edDraftURI: "https://rawgit.com/w3c/imsc/IMSC1.1/imsc1/spec/ttml-ww-profiles.html"
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, github: "https://github.com/w3c/imsc"
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, license: "w3c"
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, localBiblio: {
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"SUBM": "World Wide Web Consortium (W3C). <a href='https://www.w3.org/Submission/2013/SUBM-ttml-ww-profiles-20130607/'>TTML Text and Image Profiles for Internet Media Subtitles and Captions</a> (Member Submission, 07 June 2013)",
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"CEA-608": "Consumer Technology Association. <a href='http://www.techstreet.com/standards/cta-608-e-r2014?product_id=1815447'>CTA 608-E, Line-21 Data Services</a>.",
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"CEA-708": "Consumer Technology Association. <a href='http://www.techstreet.com/standards/cta-708-d?product_id=1815448'>CTA 708-D, Digital Television (DTV) Closed Captioning</a>.",
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"CFF": "Digital Entertainment Content Ecosystem (DECE). <a href='http://www.uvcentral.com/specs'>Common File Format & Media Formats Specification (CFF) Version 2.2</a>.",
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"CEA-608": "Consumer Technology Association. <a href='https://www.techstreet.com/standards/cta-608-e-r2014?product_id=1815447'>CTA 608-E, Line-21 Data Services</a>.",
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"CEA-708": "Consumer Technology Association. <a href='https://www.techstreet.com/standards/cta-708-d?product_id=1815448'>CTA 708-D, Digital Television (DTV) Closed Captioning</a>.",
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"CFF": "Digital Entertainment Content Ecosystem (DECE). <a href='https://www.uvcentral.com/specs'>Common File Format & Media Formats Specification (CFF) Version 2.2</a>.",
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"EBU-TT-D": "European Broadcasting Union (EBU). <a href='https://tech.ebu.ch/docs/tech/tech3380.pdf'>Tech 3380, EBU-TT-D Subtitling Distribution Format Version 1.0.1</a>",
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"EBU-TT-M": "European Broadcasting Union (EBU). <a href='https://tech.ebu.ch/docs/tech/tech3390.pdf'>Tech 3390, EBU-TT-M Metadata Definitions 1.0/a>",
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"EBU-TT-M": "European Broadcasting Union (EBU). <a href='https://tech.ebu.ch/docs/tech/tech3390.pdf'>Tech 3390, EBU-TT-M Metadata Definitions 1.0</a>",
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"CLDR": "Unicode Consortium. <a href='http://cldr.unicode.org'>The Common Locale Data Repository Project</a>"
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}
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};
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<p>Both profiles are based on [[SUBM]].</p>
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</section>
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<section id='sotd'></section>
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<section id='sotd'>
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<p>For this specification to exit the CR stage, at least 2 independent implementations of every feature defined in this
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specification but not already present in either [[TTML2]] or [[ttml-imsc1.0.1]] need to be documented in the implementation
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report. The Working Group does not require that implementations are publicly available but encourages them to be so.</p>
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<p>The Working Group has not identified features "at risk" for this specification.</p>
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<p>A list of the substantive changes applied since the <a href="https://www.w3.org/TR/2017/WD-ttml-imsc1.1-20171017/">initial
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Working Draft</a> is found at <a href="substantive-changes-summary.txt">substantive-changes-summary.txt</a>. For convenience, a
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diff is offered at the <a href="https://www.w3.org/TR/2018/CR-ttml-imsc1.1-20180503/">W3C HTML Diff service</a>.</p>
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</section>
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<section id='scope'>
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<h2>Scope</h2>

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