From ae00f8b0791befcb1c1dd7428e98887da9bad969 Mon Sep 17 00:00:00 2001
From: Pale Moon <git-repo@palemoon.org>
Date: Tue, 15 May 2018 13:57:48 +0200
Subject: Drop invisible characters from downloads filename.

---
 toolkit/content/contentAreaUtils.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/toolkit/content/contentAreaUtils.js b/toolkit/content/contentAreaUtils.js
index 04928d84b..ab905be16 100644
--- a/toolkit/content/contentAreaUtils.js
+++ b/toolkit/content/contentAreaUtils.js
@@ -976,6 +976,7 @@ function getDefaultFileName(aDefaultFileName, aURI, aDocument,
 
 function validateFileName(aFileName)
 {
+  aFileName = aFileName.replace(/[\u200e\u200f\u202a-\u202e]/g, "");
   var re = /[\/]+/g;
   if (navigator.appVersion.indexOf("Windows") != -1) {
     re = /[\\\/\|]+/g;
-- 
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