--- /QuotedPrintableCodec.java	2023-07-05 02:20:41.466125348 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:20:41.466125348 +0200
@@ -137,8 +137,9 @@
      */
     public static final byte[] encodeQuotedPrintable(BitSet printable, byte[] bytes) {
         if (bytes == null) {
-            return null;
-        }
+ 
+ 
+ 
         if (printable == null) {
             printable = PRINTABLE_CHARS;
         }
