From bd8af5b5878b6ef4ba5d24ad5ef2b1aeb1acd227 Mon Sep 17 00:00:00 2001
From: mathe42 <2pi_r2@gmx.de>
Date: Fri, 22 Apr 2022 17:48:07 +0200
Subject: [PATCH] bugfix

---
 encoding.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/encoding.ts b/encoding.ts
index 12d8268..b282735 100644
--- a/encoding.ts
+++ b/encoding.ts
@@ -16,7 +16,7 @@ export function quotedPrintableEncode(data: string, encLB = false) {
     if (encodedChar.length === 1) {
       const code = encodedChar[0];
 
-      if (code >= 32 && code <= 126) return ch;
+      if (code >= 32 && code <= 126 && code !== 63) return ch;
       if (!encLB && (code === 10 || code === 13)) return ch;
       if (code === 9) return ch;
     }