From cd6dbede36ba761364f28d1ffaf2ce588e7c468c Mon Sep 17 00:00:00 2001
From: u8array <alexanderleinich1@gmail.com>
Date: Wed, 6 May 2026 23:01:58 +0200
Subject: [PATCH] fix(serial): move ^SN before ^FD per ZPL spec

^SN must precede ^FD within the same field definition, identical to ^SF.
Previous output placed ^SN as a standalone command after ^FS, which caused
Zebra printers to ignore serialization and print the same value on all copies.
---
 src/registry/serial.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/registry/serial.tsx b/src/registry/serial.tsx
index 18ec0ac0..8673a724 100644
--- a/src/registry/serial.tsx
+++ b/src/registry/serial.tsx
@@ -37,7 +37,7 @@ export const serial: ObjectTypeDefinition<SerialProps> = {
       return `${field}^SF${p.increment},${p.content.length},Y^FD${p.content}^FS`;
     }
     // ^SN: start, increment, change-per-label
-    return `${field}^FD${p.content}^FS\n^SN${p.content},${p.increment},Y`;
+    return `${field}^SN${p.content},${p.increment},Y^FD${p.content}^FS`;
   },
 
   PropertiesPanel: ({ obj, onChange }) => {