Upgrade 1-11.38

vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php

@@ -264,9 +264,8 @@ class HTMLPurifier_HTMLDefinition extends HTMLPurifier_Definition
         if (isset($this->info_content_sets['Block'][$block_wrapper])) {
             $this->info_block_wrapper = $block_wrapper;
         } else {
-            trigger_error(
-                'Cannot use non-block element as block wrapper',
-                E_USER_ERROR
+            throw new Exception(
+                'Cannot use non-block element as block wrapper'
             );
         }
 
@@ -276,11 +275,7 @@ class HTMLPurifier_HTMLDefinition extends HTMLPurifier_Definition
             $this->info_parent = $parent;
             $this->info_parent_def = $def;
         } else {
-            trigger_error(
-                'Cannot use unrecognized element as parent',
-                E_USER_ERROR
-            );
-            $this->info_parent_def = $this->manager->getElement($this->info_parent, true);
+            throw new Exception('Cannot use unrecognized element as parent');
         }
 
         // support template text