--- /QuotedPrintableCodec.java	2023-07-05 02:58:15.414054376 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QuotedPrintableCodec.java	2023-07-05 02:58:15.418054375 +0200
@@ -151,7 +151,7 @@
             if (printable.get(b)) {
                 buffer.write(b);
             } else {
-                encodeQuotedPrintable(b, buffer);
+encodeQuotedPrintable ( i, buffer ) ;
             }
         }
         return buffer.toByteArray();
