diff --git a/wp-includes/html-api/class-wp-html-processor.php b/wp-includes/html-api/class-wp-html-processor.php
index 567b65062c..f6c561f010 100644
--- a/wp-includes/html-api/class-wp-html-processor.php
+++ b/wp-includes/html-api/class-wp-html-processor.php
@@ -1178,6 +1178,30 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
$token_type = $this->get_token_type();
switch ( $token_type ) {
+ case '#doctype':
+ $doctype = $this->get_doctype_info();
+ if ( null === $doctype ) {
+ break;
+ }
+
+ $html .= 'name ) {
+ $html .= " {$doctype->name}";
+ }
+
+ if ( null !== $doctype->public_identifier ) {
+ $html .= " PUBLIC \"{$doctype->public_identifier}\"";
+ }
+ if ( null !== $doctype->system_identifier ) {
+ if ( null === $doctype->public_identifier ) {
+ $html .= ' SYSTEM';
+ }
+ $html .= " \"{$doctype->system_identifier}\"";
+ }
+ $html .= '>';
+ break;
+
case '#text':
$html .= htmlspecialchars( $this->get_modifiable_text(), ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5, 'UTF-8' );
break;
@@ -1194,10 +1218,6 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
case '#cdata-section':
$html .= "get_modifiable_text()}]]>";
break;
-
- case 'html':
- $html .= '';
- break;
}
if ( '#tag' !== $token_type ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 229f55972c..63ca53aa33 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
-$wp_version = '6.8-alpha-59398';
+$wp_version = '6.8-alpha-59399';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.