[wp-trac] [WordPress Trac] #42729: Permit use of 'text-transform' in safecss_filter_attr()

[WordPress Trac]

#42729: Permit use of 'text-transform' in safecss_filter_attr()
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 Reporter:  danielbachhuber  |      Owner:
     Type:  enhancement      |     Status:  new
 Priority:  normal           |  Milestone:  Future Release
Component:  Editor           |    Version:
 Severity:  normal           |   Keywords:  needs-patch needs-unit-tests
  Focuses:                   |
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 As a WordPress user, I'd expect that whitelisting use of the `style`
 attribute for `<span>` elements would permit use of `text-
 transform:lowercase;` within the attribute.

 However, doing so also requires filtering `safe_style_css`. Given `text-
 transform` is a text formatting property like `font-style` and `text-
 decoration`, it makes sense to also include it in
 `safecss_filter_attr()`'s default property set.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42729>
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