[wp-trac] [WordPress Trac] #55189: Automatic removal of "Zero-width non-joiner" in URL

[WordPress Trac]

#55189: Automatic removal of "Zero-width non-joiner" in URL
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 Reporter:  man4toman     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.9.2
Component:  Permalinks    |     Version:  5.9
 Severity:  critical      |  Resolution:
 Keywords:  2nd-opinion   |     Focuses:
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Comment (by SergeyBiryukov):

 Thanks for the follow-up!

 I was able to reproduce the issue with the steps from comment:3, and
 [51984] indeed appears to be the related changeset. It's worth noting this
 only happens with pages, because the old slug redirect feature does not
 work for them yet, see #4328 for that. In testing with posts, the old slug
 does redirect as expected to the new slug.

 Related: #50924, which is apparently now fixed as of [51984] / #47912.

 I'm not quite sure how to proceed here, as #50924 suggested this character
 should be removed from URLs, while this one suggests that it should not
 (if I understand correctly). Maybe fixing #4328 would be the way to go
 here, so that the old slug redirect feature works for pages too?

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Ticket URL: <https://core.trac.wordpress.org/ticket/55189#comment:4>
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