ISSUE-141: @dur - discontinuous marker mode

@dur - discontinuous marker mode

TTML 1.0
Raised by:
Glenn Adams
Opened on:
at present, it is permitted that @dur be used (but ignored) with discontinuous marker mode; however, we should make this proscription stronger and make it invalid to appear;
Related Actions Items:
No related actions
Related emails:
  1. ISSUE-141: @dur - discontinuous marker mode [DFXP 1.0] (from on 2009-07-05)

Related notes:

resolved in TTAF1-DFXP Editor's Copy Update - 20090720

Glenn Adams, 24 Jul 2009, 00:07:08

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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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