ISSUE-90: improve opacity semantics

improve opacity semantics

TTML 1.0 (Editorial)
Raised by:
Glenn Adams
Opened on:
need to improve clarify of prose regarding tts:opacity and also permit approximations (i.e., interpretation of <alpha> as nearest supported value)
Related Actions Items:
No related actions
Related emails:
  1. ISSUE-90: improve opacity semantics [DFXP 1.0 (Editorial)] (from on 2009-05-04)

Related notes:

resolved in TTAF1-DFXP WD Editor's Copy Update - 20090504

Glenn Adams, 4 May 2009, 12:18:39

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David Singer <>, Nigel Megitt <>, Chairs, Thierry Michel <>, Philippe Le H├ęgaret <>, Atsushi Shimono <>, Staff Contacts
Tracker: documentation, (configuration for this group), originally developed by Dean Jackson, is developed and maintained by the Systems Team <>.
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