From fb85dfbedc50dd1a79df136b36e983cb06a46853 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Kaczmarek?= <lukasz.kaczmarek@dbc-gmbh.com>
Date: Mon, 25 Apr 2022 10:21:00 +0200
Subject: [PATCH] https://github.com/SheetJS/sheetjs/issues/2660

- fix Invalid character (https://www.w3.org/TR/REC-xml/#charsets)
---
 bits/22_xmlutils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bits/22_xmlutils.js b/bits/22_xmlutils.js
index d4f378a..71f3e20 100644
--- a/bits/22_xmlutils.js
+++ b/bits/22_xmlutils.js
@@ -60,7 +60,7 @@ var unescapexml/*:StringConv*/ = /*#__PURE__*/(function() {
 	};
 })();
 
-var decregex=/[&<>'"]/g, charegex = /[\u0000-\u0008\u000b-\u001f]/g;
+var decregex=/[&<>'"]/g, charegex = /[\u0000-\u0008\u000b-\u001f\uFFFE-\uFFFF]/g;
 function escapexml(text/*:string*/)/*:string*/{
 	var s = text + '';
 	return s.replace(decregex, function(y) { return rencoding[y]; }).replace(charegex,function(s) { return "_x" + ("000"+s.charCodeAt(0).toString(16)).slice(-4) + "_";});