Better text handling in column group

WordPress · Jul 31, 2024 · 5dd41ff · 5dd41ff
1 parent be3e30f
commit 5dd41ff
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/wp-includes/html-api/class-wp-html-processor.php b/src/wp-includes/html-api/class-wp-html-processor.php
@@ -3090,7 +3090,8 @@ private function step_in_column_group(): bool {
 			case '#text':
 				$current_token = $this->bookmarks[ $this->state->current_token->bookmark_name ];
 				if (
-					strspn( $this->html, "\u{0009}\u{000A}\u{000C}\u{000D}\u{0020}", $current_token->start, $current_token->length ) === $current_token->length
+					// U+0000 (NULL) Is not mentiond but is included here. Null bytes should be completely ignored.
+					strspn( $this->html, "\u{0000}\u{0009}\u{000A}\u{000C}\u{000D}\u{0020}", $current_token->start, $current_token->length ) === $current_token->length
 				) {
 					$this->insert_html_element( $this->state->current_token );
 					return true;