fix: Fixed a possible issue with XML processing instructions deployed in HTML

Author: cure53

dist/purify.cjs.js

@@ -906,7 +906,7 @@ function createDOMPurify() {
   const _createNodeIterator = function _createNodeIterator(root) {
     return createNodeIterator.call(root.ownerDocument || root, root,
     // eslint-disable-next-line no-bitwise
-    NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, null);
+    NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT | NodeFilter.SHOW_PROCESSING_INSTRUCTION, null);
   };
 
   /**

dist/purify.cjs.js.map

@@ -909,7 +909,10 @@ function createDOMPurify(window = getGlobal()) {
       root.ownerDocument || root,
       root,
       // eslint-disable-next-line no-bitwise
-      NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT,
+      NodeFilter.SHOW_ELEMENT |
+        NodeFilter.SHOW_COMMENT |
+        NodeFilter.SHOW_TEXT |
+        NodeFilter.SHOW_PROCESSING_INSTRUCTION,
       null
     );
   };