--- a/Cairo__RegionOverlap.st	Thu Aug 01 18:43:54 2019 +0100
+++ b/Cairo__RegionOverlap.st	Mon Jun 15 15:01:43 2020 +0100
@@ -1,3 +1,11 @@
+"
+stx:goodies/libcairo - Cairo graphics bindings for Smalltalk/X
+
+Copyright (C) 2008-2019 Jan Vrany
+
+This code is licensed under Creative Commons Attribution-NonCommercial License.
+For full text of the license, see file LICENSE.txt
+"
 "{ Package: 'stx:goodies/libcairo' }"
 
 "{ NameSpace: Cairo }"
@@ -10,6 +18,18 @@
 	category:'Cairo-Constants'
 !
 
+!RegionOverlap class methodsFor:'documentation'!
+
+copyright
+"
+stx:goodies/libcairo - Cairo graphics bindings for Smalltalk/X
+
+Copyright (C) 2008-2019 Jan Vrany
+
+This code is licensed under Creative Commons Attribution-NonCommercial License.
+For full text of the license, see file LICENSE.txt
+"
+! !
 
 !RegionOverlap class methodsFor:'initialization'!