[wp-trac] [WordPress Trac] #23605: esc_url() strips spaces instead of encoding them

[WordPress Trac]

#23605: esc_url() strips spaces instead of encoding them
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 Reporter:  johnbillion                   |       Owner:
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  4.4
Component:  Formatting                    |     Version:  2.8
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:
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Comment (by enshrined):

 The above patch adds a str_replace call as the first thing in esc_url.
 This makes sure that spaces are not stripped but rather replaced by `%20`.
 It also updates the tests to reflect these changes.

 It may be worth deciding what happens for multiple spaces, should these
 stay in the form of `%20%20` or be stripped down to a single `%20`?

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Ticket URL: <https://core.trac.wordpress.org/ticket/23605#comment:16>
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