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HTML API: Switch to HTML namespace when entering Integration Points. 

When encountering inline SVG and MathML content in an HTML document, there are certain "integration points" which transition back into the HTML parsing ruleset. Previously, the HTML API was incorrectly switching into the namespace of the element transitioning into that ruleset.

In this patch, the correct transition is made, where all integration points refer to HTML rules, while non-integration points refer to the rules of the namespace corresponding to the token itself.

Developed in https://github.com/wordpress/wordpress-develop/pull/7425
Discussed in https://core.trac.wordpress.org/ticket/61576

Props dmsnell, jonsurrell.
See #61576.

Built from https://develop.svn.wordpress.org/trunk@59099


git-svn-id: http://core.svn.wordpress.org/trunk@58495 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
dmsnell 2024-09-27 00:44:19 +00:00
parent d5c6e455e8
commit ed654177cd
2 changed files with 9 additions and 7 deletions
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14
wp-includes/html-api/class-wp-html-processor.php
View File

@ -393,7 +393,7 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
$provenance = ( ! $same_node || $is_virtual ) ? 'virtual' : 'real';
$this->element_queue[] = new WP_HTML_Stack_Event( $token, WP_HTML_Stack_Event::PUSH, $provenance );
$this->change_parsing_namespace( $token->namespace );
$this->change_parsing_namespace( $token->integration_node_type ? 'html' : $token->namespace );
}
);
@ -403,12 +403,14 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
$same_node = isset( $this->state->current_token ) && $token->node_name === $this->state->current_token->node_name;
$provenance = ( ! $same_node || $is_virtual ) ? 'virtual' : 'real';
$this->element_queue[] = new WP_HTML_Stack_Event( $token, WP_HTML_Stack_Event::POP, $provenance );
$adjusted_current_node = $this->get_adjusted_current_node();
$this->change_parsing_namespace(
$adjusted_current_node
? $adjusted_current_node->namespace
: 'html'
);
if ( $adjusted_current_node ) {
$this->change_parsing_namespace( $adjusted_current_node->integration_node_type ? 'html' : $adjusted_current_node->namespace );
} else {
$this->change_parsing_namespace( 'html' );
}
}
);

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.7-alpha-59098';
$wp_version = '6.7-alpha-59099';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.