ISSUE-355: Add support for marquee style semantics


Add support for marquee style semantics

Raised by:
Glenn Adams
Opened on:
ARIB-TT [1] defines an extension [2] to TTML to allow author to specify marquee semantics. Yoshiharu Dewa (Sony) suggests [3] this feature be supported by TTML.

Before considering adding a marquee style, however, we need to investigate if the new animate element could be used to express equivalent semantics.

Related Actions Items:
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Related emails:
  1. {agenda} TTWG Meeting 27/11/2014 (from on 2014-11-26)
  2. Re: {minutes} TTWG Meeting 20/11/2014 (from on 2014-11-21)
  3. {minutes} TTWG Meeting 20/11/2014 (from on 2014-11-20)
  4. {agenda} TTWG Meeting 20/11/2014 (from on 2014-11-19)
  5. RE: ARIB-TT (from on 2014-11-17)
  6. Re: ARIB-TT (from on 2014-11-17)
  7. ISSUE-355 (marquee): Add support for marquee style semantics [TTML2] (from on 2014-11-17)

Related notes:

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David Singer <>, Nigel Megitt <>, Chairs, Thierry Michel <>, Philippe Le H├ęgaret <>, Atsushi Shimono <>, Staff Contacts
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