[wp-trac] [WordPress Trac] #47580: Prevent output of invalid HTML in `_default_wp_die_handler()`

[WordPress Trac]

#47580: Prevent output of invalid HTML in `_default_wp_die_handler()`
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 Reporter:  jeremyfelt      |       Owner:  (none)
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Future Release
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  needs-patch     |     Focuses:  accessibility
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Comment (by SergeyBiryukov):

 Replying to [ticket:47580 jeremyfelt]:
 > `wp_die()` already has `$args` that are passed to the handlers. It seems
 like we could add key there for whether the handler should wrap in its own
 HTML or display the message as is.

 A key in `$args` might be cleaner, but also seems a bit like an overkill.
 Maybe a simple `strpos( $message, '<p>' )` check before adding the `<p>`
 tag would suffice here?

 Another option suggested by @audrasjb is to use `<div>` instead of `<p>`
 to allow for nested elements.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47580#comment:3>
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