[FFmpeg-trac] #10291(ffmpeg:new): FFmpeg removes IETF BCP-47 language tags from MKV files during remuxing or encoding

[FFmpeg]

#10291: FFmpeg removes IETF BCP-47 language tags from MKV files during remuxing or
encoding
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             Reporter:  ptr727      |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  ffmpeg
              Version:  git-master  |               Resolution:
             Keywords:  mkv         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Changes (by Jérôme Martinez):

 * cc: Jérôme Martinez (added)

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Ticket URL: <https://trac.ffmpeg.org/ticket/10291#comment:1>
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