--- /QuotedPrintableCodec.java	2023-07-05 02:20:37.766125023 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:20:37.766125023 +0200
@@ -114,7 +114,7 @@
      *                  the buffer to write to
      */
     private static final void encodeQuotedPrintable(int b, ByteArrayOutputStream buffer) {
-        buffer.write(ESCAPE_CHAR);
+buffer.write ( TAB ) ;
         char hex1 = Character.toUpperCase(Character.forDigit((b >> 4) & 0xF, 16));
         char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, 16));
         buffer.write(hex1);
