From 263e1045e26156cab577385fca29e10bc2e82f9e Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Mon, 5 Dec 2022 08:23:50 +0100
Subject: [PATCH] Amend 14b108fc222ef9e

---
 src/mathed/InsetMathMacro.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mathed/InsetMathMacro.cpp b/src/mathed/InsetMathMacro.cpp
index d9a307fd70..65f677e48c 100644
--- a/src/mathed/InsetMathMacro.cpp
+++ b/src/mathed/InsetMathMacro.cpp
@@ -1081,8 +1081,10 @@ void InsetMathMacro::write(WriteStream & os) const
 	docstring name_recoded;
 	docstring uncodable;
 	for (char_type c : name_in) {
-		if (!os.encoding())
-			break;
+		if (!os.encoding()) {
+			name_recoded += c;
+			continue;
+		}
 		if (os.encoding()->encodable(c))
 			name_recoded += c;
 		else {