[wp-trac] [WordPress Trac] #59291: HTML API: Expose raw tag markup to support existing filters

[WordPress Trac]

#59291: HTML API: Expose raw tag markup to support existing filters
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 Reporter:  dmsnell      |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  HTML API     |    Version:  trunk
 Severity:  normal       |   Keywords:  has-patch
  Focuses:               |
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 Many existing filters in Core (e.g. `wp_targeted_link_rel`) pass segments
 of the raw HTML markup for matched tags where code implementing those
 hooks perform futher analyis on those segments. The HTML API attempts to
 hide the raw inner markup as much as possible, making it hard to provide
 full backwards compatability with these existing filters.

 In this patch a new function is added which extracts the raw markup to
 maintain those existing behaviors. It requires a disclaimer to operate to
 try and encourage folks to use the structural and semantic methods
 provided by the HTML API.

 Where possible, existing code and filters should be updated so that they
 no longer depend on the raw HTML.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59291>
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