[wp-trac] [WordPress Trac] #48647: Gist code format problem after upgrading to 5.3 version

[WordPress Trac]

#48647: Gist code format problem after upgrading to 5.3 version
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 Reporter:  johncod       |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.3
 Severity:  normal        |   Keywords:
  Focuses:                |
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 After upgrading to 5.3 version of WordPress all the gists in my website
 have a weird code format.

 To reproduce it:
 Go to Gutenberg editor and paste a gist url (ex.
 https://gist.github.com/johncodeos/927c2caa0ead9ec8d2fc5c96729055fd#file-
 linkedinauthvc-swift) without permalink.
 And the results in front-end is:
 [[Image(https://i.imgur.com/FrnGO7O.png)]]

 Do the same for 5.2.4 and the results are:
 [[Image(https://i.imgur.com/clSOarJ.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/48647>
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