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WordPress/wp-includes/html-api
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Bernhard Reiter 372e3c4b97 HTML API: Add explicit handling or failure for all tags. 
The HTML API HTML processor does not yet support all tags. Many tags (e.g. list elements) have some complicated rules in the [https://html.spec.whatwg.org/#parsing-main-inbody "in body" insertion mode].

Implementing these special rules is blocking the implementation for a catch-all rule for "any other tag" because we need to prevent special rules from being handled by the catch-all.

  Any other start tag
  Reconstruct the active formatting elements, if any.

  Insert an HTML element for the token.

  …

This change ensures the HTML Processor fails when handling special tags. This is the same as existing behavior, but will allow us to implement the catch-all "any other tag" handling without unintentionally handling special elements.

Additionally, we add tests that assert the special elements are unhandled. As these tags are implemented, this should help to ensure they're removed from the unsupported tag list.

Props jonsurrell, dmsnell.
Fixes #60092.
Built from https://develop.svn.wordpress.org/trunk@57248


git-svn-id: http://core.svn.wordpress.org/trunk@56754 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2024-01-08 14:05:24 +00:00
..
class-wp-html-active-formatting-elements.php HTML API: Apply linting changes to @TODO comments. 2023-12-20 12:36:31 +00:00
class-wp-html-attribute-token.php HTML API: Track spans of text with (offset, length) instead of (start, end). 2023-12-10 13:19:28 +00:00
class-wp-html-open-elements.php HTML API: Add support for H1-H6 elements in the HTML Processor. 2023-12-13 17:53:19 +00:00
class-wp-html-processor-state.php HTML API: Store current token reference in HTML Processor state. 2023-09-12 15:12:17 +00:00
class-wp-html-processor.php HTML API: Add explicit handling or failure for all tags. 2024-01-08 14:05:24 +00:00
class-wp-html-span.php HTML API: Track spans of text with (offset, length) instead of (start, end). 2023-12-10 13:19:28 +00:00
class-wp-html-tag-processor.php Coding Standards: Correct alignment in WP_HTML_Tag_Processor::apply_attributes_updates(). 2023-12-25 14:03:19 +00:00
class-wp-html-text-replacement.php HTML API: Track spans of text with (offset, length) instead of (start, end). 2023-12-10 13:19:28 +00:00
class-wp-html-token.php HTML-API: Prevent unintended behavior when WP_HTML_Token is unserialized. 2023-12-06 16:05:19 +00:00
class-wp-html-unsupported-exception.php HTML-API: Introduce minimal HTML Processor. 2023-07-20 13:43:25 +00:00