[wp-trac] [WordPress Trac] #55966: safecss_filter_attr() returns empty if containing min()

[WordPress Trac]

#55966: safecss_filter_attr() returns empty if containing min()
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 Reporter:  uxl                                  |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  6.1
Component:  Formatting                           |     Version:  6.0
 Severity:  major                                |  Resolution:
 Keywords:  has-patch has-unit-tests changes-    |     Focuses:  css
  requested early                                |
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Comment (by joyously):

 Is there a test case for using a CSS function in something that has
 parentheses, like a gradient?
 Does the regex for `var` allow a fallback value like `50%`? When would a
 `var` have square brackets? (maybe a data-uri?)
 Is there a test case for two of the functions in the same CSS, like
 `clamp` and `min`?

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Ticket URL: <https://core.trac.wordpress.org/ticket/55966#comment:12>
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