[wp-trac] [WordPress Trac] #44958: &nbsp character in title generates a permalink (and slug) with space

[WordPress Trac]

#44958: &nbsp character in title generates a permalink (and slug) with space
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 Reporter:  ace2_heart                           |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.7
Component:  Permalinks                           |     Version:  4.8
 Severity:  normal                               |  Resolution:
 Keywords:  needs-testing has-patch has-         |     Focuses:
  testing-info has-screenshots needs-unit-tests  |
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Comment (by dmsnell):

 @hellofromTonya we can open a new ticket for 6.7 if we need to, but I
 don't understand why we are calling  [https://github.com/WordPress
 /wordpress-develop/pull/5466 PR #5466] an enhancement instead of a bug
 fix.

 The smaller patch here proposes fixing one very specific incarnation of a
 broader bug, and unfortunately at the current time introduces more
 breakage (and so I think it would be best to ensure that if we merge it,
 we fix that remaining issue before doing so).

 The goal of the alternative patch in the PR is to comprehensively solve
 the category of defects that this reported issue is a manifestation of.
 It's goal has been to maintain the same interface and intent of the
 existing code, though I created `sluggify()` the new function mostly to
 make it possible to examine the older and newer code at the same time
 during review.

 So I don't really care what goes on, but if we create a new ticket I feel
 like it should still be a bug fix, since the core issue reported here is
 that the slug generation does not adequately parse the inbound content and
 therefore all of the replacement logic is fragile and prone to only work
 in very specific cases. Do we classify a patch as a bug fix if it resolves
 1 bug, but an enhancement if it resolves 1000?

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Ticket URL: <https://core.trac.wordpress.org/ticket/44958#comment:39>
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