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Change MUST to SHOULD have disposition and if applicable language tags.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17019 b3059339-0415-0410-9bf9-f77b7e298cf2
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al 2005-11-18 16:28:26 +00:00
parent 0520dff832
commit 54aacf3e9a

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@ -1,5 +1,5 @@
========================================
NUT Open Container Format DRAFT 20050909
NUT Open Container Format DRAFT 20051118
========================================
@ -654,8 +654,9 @@ search at a particular offset when any startcode is found (including syncpoint)
Semantic requirements:
======================
If more than one stream of a given stream class is present, each one MUST
If more than one stream of a given stream class is present, each one SHOULD
have info tags specifying disposition, and if applicable, language.
It often highly improves usability and is therefore strongly encouraged.
A demuxer MUST NOT demux a stream which contains more than one stream, or which
is wrapped in a structure to facilitate more than one stream or otherwise