[wp-trac] [WordPress Trac] #42574: MediaElement upgrade causing JS errors when certain languages are in use e.g de_DE-formal

[WordPress Trac]

#42574: MediaElement upgrade causing JS errors when certain languages are in use
e.g de_DE-formal
-------------------------------------+-------------------------------------
 Reporter:  erich_k4wp               |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  high                     |   Milestone:  4.9.1
Component:  Media                    |     Version:  4.9
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch 2nd-opinion    |     Focuses:  javascript,
  needs-testing                      |  administration
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Comment (by Clorith):

 This either needs to be reported upstream, so that ME.js can support our
 non-ISO language strings, or we need to change it in the script loader and
 handle it properly on our end to use a string compatible with ME.js

 https://github.com/WordPress/WordPress/blob/4.9-branch/wp-includes/script-
 loader.php#L360 is the offending line if we want to handle it our selves,
 and I think this is where we should be focusing the fix.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42574#comment:14>
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