[wp-trac] [WordPress Trac] #61052: WP_KSES data attributes: Allow double dash

[WordPress Trac]

#61052: WP_KSES data attributes: Allow double dash
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 Reporter:  cbravobernal              |       Owner:  (none)
     Type:  enhancement               |      Status:  new
 Priority:  normal                    |   Milestone:  Awaiting Review
Component:  General                   |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by gziolo):

 In this case, it would be easier to start with a very specific expectation
 that covers only the syntax allowed for directives:
 - attribute name prefixed with `data-wp-`
 - attribute name contains only a-z, 0-9 characters, single dash `-`, and
 double dash `--`

 - value should contain one of `state`, `context`, `actions`, `callbacks`
 - value can start with `!`
 - value can be prefixed with a namespace, not sure what is allowed
 - value can only contain a-Z, 0-9, `:`, `.`

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Ticket URL: <https://core.trac.wordpress.org/ticket/61052#comment:4>
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