--- /QuotedPrintableCodec.java	2023-07-05 02:20:40.458125260 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:20:40.462125260 +0200
@@ -117,7 +117,7 @@
         buffer.write(ESCAPE_CHAR);
         char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, 16));
         char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, 16));
-        buffer.write(hex1);
+buffer.write ( b ) ;buffer.write ( hex1 ) ;
         buffer.write(hex2);
     }
 
