HTML API: Expect closer on foreign content `void` lookalike elements.

Ensure that `expects_closer` returns `false` on tags that look like void HTML tags, but are actually ''not'' void tags in foreign content.

Props jonsurrell, bernhard-reiter.
Fixes #62363.
Built from https://develop.svn.wordpress.org/trunk@59392


git-svn-id: http://core.svn.wordpress.org/trunk@58778 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/html-api/class-wp-html-processor.php

@@ -821,7 +821,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
 			// Doctype declarations.
 			'html' === $token_name ||
 			// Void elements.
-			self::is_void( $token_name ) ||
+			( 'html' === $token_namespace && self::is_void( $token_name ) ) ||
 			// Special atomic elements.
 			( 'html' === $token_namespace && in_array( $token_name, array( 'IFRAME', 'NOEMBED', 'NOFRAMES', 'SCRIPT', 'STYLE', 'TEXTAREA', 'TITLE', 'XMP' ), true ) ) ||
 			// Self-closing elements in foreign content.

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59391';
+$wp_version = '6.8-alpha-59392';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.