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Clarify that the constraint on #extent-region does not require region elements to exist #469

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nigelmegitt opened this issue Jan 23, 2019 · 0 comments · Fixed by #482
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Clarify that the constraint on #extent-region does not require region elements to exist #469

nigelmegitt opened this issue Jan 23, 2019 · 0 comments · Fixed by #482
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@palemieux
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enhancement
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imsc1.2-FPWD

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@nigelmegitt
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The constraint in §8.4.2 #extent-region that tts:extent shall be present on all region elements makes no statement about the default region, which of course has no corresponding region element. It may be worth clarifying that the constraint does not in and of itself require that region elements are present in the document instance, and that the constraint in any case would not apply to the default region where the equivalent extent would be "100% 100%" by definition.
@nigelmegitt nigelmegitt mentioned this issue Jan 31, 2019
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@palemieux palemieux added this to the imsc1.1-2ED-FPWD milestone Jan 31, 2019
@palemieux palemieux removed the imsc1.1 label Jun 22, 2019
@palemieux palemieux modified the milestones: imsc1.1-2ED-FPWD, imsc1.2-FPWD Jun 22, 2019
palemieux added a commit that referenced this issue Jul 4, 2019
@palemieux
Clarify #extent-region constraints (#469)
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@palemieux palemieux self-assigned this Jul 4, 2019
@palemieux palemieux mentioned this issue Jul 4, 2019
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@palemieux palemieux mentioned this issue Jul 19, 2019
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palemieux added a commit that referenced this issue Aug 1, 2019
@palemieux
Loosen and clarify tts:extent constraints (#475, #469)
880376f
@palemieux palemieux removed the pr open label May 14, 2020
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Loosen and clarify tts:extent constraints w3c/imsc
Clarify #extent-region constraints w3c/imsc
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@palemieux @nigelmegitt