--- a/Base64UrlCoder.st	Fri Dec 13 21:32:03 2019 +0100
+++ b/Base64UrlCoder.st	Fri Dec 13 21:32:11 2019 +0100
@@ -1,3 +1,14 @@
+"
+ COPYRIGHT (c) 2018 by eXept Software AG
+              All Rights Reserved
+
+ This software is furnished under a license and may be used
+ only in accordance with the terms of that license and with the
+ inclusion of the above copyright notice.  This software may not
+ be provided or otherwise made available to, or used by, any
+ other person.  No title to or ownership of the software is
+ hereby transferred.
+"
 "{ Package: 'stx:libbasic2' }"
 
 "{ NameSpace: Smalltalk }"
@@ -11,6 +22,21 @@
 
 !Base64UrlCoder class methodsFor:'documentation'!
 
+copyright
+"
+ COPYRIGHT (c) 2018 by eXept Software AG
+              All Rights Reserved
+
+ This software is furnished under a license and may be used
+ only in accordance with the terms of that license and with the
+ inclusion of the above copyright notice.  This software may not
+ be provided or otherwise made available to, or used by, any
+ other person.  No title to or ownership of the software is
+ hereby transferred.
+
+"
+!
+
 documentation
 "
     A variant of base64 encoding which generates url- and filename save encodings.