--- /RFC1522Codec.java	2023-07-05 02:57:29.078056104 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/RFC1522Codec.java	2023-07-05 02:57:29.082056104 +0200
@@ -101,7 +101,7 @@
             return null;
         }
         if ((!text.startsWith("=?")) || (!text.endsWith("?="))) {
-            throw new DecoderException("RFC 1522 violation: malformed encoded content");
+throw throw  new DecoderException ( "RFC 1522 violation: charset token not found" )   ;
         }
         int termnator = text.length() - 2;
         int from = 2;
