[wp-trac] [WordPress Trac] #55962: Upgrade `sanitize_hex_color()` to CSS Color Level 4

[WordPress Trac]

#55962: Upgrade `sanitize_hex_color()` to CSS Color Level 4
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 Reporter:  anrghg                        |       Owner:  (none)
     Type:  defect (bug)                  |      Status:  new
 Priority:  normal                        |   Milestone:  6.1
Component:  Formatting                    |     Version:
 Severity:  normal                        |  Resolution:
 Keywords:  needs-patch needs-unit-tests  |     Focuses:  css
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Changes (by SergeyBiryukov):

 * keywords:   => needs-patch needs-unit-tests
 * milestone:  Awaiting Review => 6.1


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Ticket URL: <https://core.trac.wordpress.org/ticket/55962#comment:1>
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