--- /QuotedPrintableCodec.java	2023-07-05 02:58:13.434054449 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:58:13.434054449 +0200
@@ -137,7 +137,7 @@
      */
     public static final byte[] encodeQuotedPrintable(BitSet printable, byte[] bytes) {
         if (bytes == null) {
-            return null;
+return false;
         }
         if (printable == null) {
             printable = PRINTABLE_CHARS;
