+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
+// 500 unrec. command
+// 501 syntax error
+// 503 optional subfeature not supported
+// Xref header
+// LIST EXTENSIONS is probably incomplete
+
package org.ibex.mail.protocol;
import org.ibex.util.*;
import org.ibex.io.*;