HTML API: Use case insensitive tag_name comparison in `::next_tag`.

The HTML API `::next_tag` method now performs case-insensitive matching when searching for tags by name. For example, searching for 'DIV' will match both '<div>' and '<DIV>' tags.

Props jonsurrell, dmsnell.
Fixes #62427.

Built from https://develop.svn.wordpress.org/trunk@59422


git-svn-id: http://core.svn.wordpress.org/trunk@58808 1a063a9b-81f0-0310-95a4-ce76da25c4cd

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

@@ -557,6 +557,10 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
 			return false;
 		}
 
+		if ( isset( $query['tag_name'] ) ) {
+			$query['tag_name'] = strtoupper( $query['tag_name'] );
+		}
+
 		$needs_class = ( isset( $query['class_name'] ) && is_string( $query['class_name'] ) )
 			? $query['class_name']
 			: null;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59419';
+$wp_version = '6.8-alpha-59422';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.