--- /QuotedPrintableCodec.java	2023-07-05 02:20:46.250125763 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:20:46.250125763 +0200
@@ -149,7 +149,7 @@
                 b = 256 + b;
             }
             if (printable.get(b)) {
-                buffer.write(b);
+buffer .toByteArray (  )  ;
             } else {
                 encodeQuotedPrintable(b, buffer);
             }
