[FFmpeg-trac] #1688(undetermined:open): FFmpeg + libass gives Fontconfig warning: ignoring UTF-8: not a valid region tag

[FFmpeg]

#1688: FFmpeg + libass gives Fontconfig warning: ignoring UTF-8: not a valid
region tag
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             Reporter:  Xtophe       |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  ass          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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Comment (by Xtophe):

 OK, call me stupid. How can I fix this? :-)

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1688#comment:5>
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