[wp-trac] [WordPress Trac] #58961: HTML API: Add support for BUTTON element

[WordPress Trac]

#58961: HTML API: Add support for BUTTON element
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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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 In this patch we're adding support to process the BUTTON element. This
 requires adding some additional semantic rules to handle situations where
 a BUTTON element is already in scope.

 This patch is one in a series of changes to expand support within the HTML
 API, moving gradually to allow for more focused changes that are easier to
 review and test. The HTML Processor is a work in progress with a certain
 set of features slated to be ready and tested by 6.4.0, but it will only
 contain partial support of the HTML5 specification even after that.
 Whenever it cannot positively recognize and process its input it bails,
 and certain function stubs and logical stubs exist to structure future
 expansions of support.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58961>
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