From 70e2864ca40b2d88d9aad42a22c7dbab3f23cddc Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sun, 29 Jan 2023 16:13:43 -0500
Subject: [PATCH] Fix broken parser involving specific filters with Unicode
 characters

Related feedback:
- https://www.reddit.com/r/uBlockOrigin/comments/10obivd/

The issue was arising with filters of the form:

    ||example.org^$domain=[domain name with Unicode characters]
---
 src/js/static-filtering-parser.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 420d385bd..dbd778daa 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -1189,7 +1189,7 @@ export class AstFilterParser {
                 parentEnd - 1
             );
             this.addNodeToRegister(NODE_TYPE_NET_PATTERN, next);
-            if ( normal !== pattern ) {
+            if ( normal !== undefined && normal !== pattern ) {
                 this.setNodeTransform(next, normal);
             }
             prev = this.linkRight(prev, next);