From 5eff4a027aff425c9eda8e116b1a3f57984947f5 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Mon, 20 May 2019 18:29:28 -0400
Subject: [PATCH] Fix https://github.com/gorhill/uBlock/issues/3541

---
 src/js/reverselookup-worker.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/js/reverselookup-worker.js b/src/js/reverselookup-worker.js
index 1689f838e..529388631 100644
--- a/src/js/reverselookup-worker.js
+++ b/src/js/reverselookup-worker.js
@@ -117,6 +117,7 @@ const fromCosmeticFilter = function(details) {
     const prefix = match[0];
     const exception = prefix.charAt(1) === '@';
     const selector = details.rawFilter.slice(prefix.length);
+    const isHtmlFilter = prefix.endsWith('^');
 
     // The longer the needle, the lower the number of false positives.
     const needle = selector.match(/\w+/g).reduce(function(a, b) {
@@ -182,6 +183,9 @@ const fromCosmeticFilter = function(details) {
                 continue;
             }
 
+            // Do not confuse cosmetic filters with HTML ones.
+            if ( (fargs[0] === 64) !== isHtmlFilter ) { continue; }
+
             switch ( fargs[0] ) {
             // Lowly generic cosmetic filters
             case 0: // simple id-based