diff --git a/doc/org.eclipse.qvtd.doc.miniocl.build/build.properties b/doc/org.eclipse.qvtd.doc.miniocl.build/build.properties
index cdd2db7..2aa9438 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl.build/build.properties
+++ b/doc/org.eclipse.qvtd.doc.miniocl.build/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
diff --git a/doc/org.eclipse.qvtd.doc.miniocl.build/plugin.properties b/doc/org.eclipse.qvtd.doc.miniocl.build/plugin.properties
index 351c1a8..a53b9fc 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl.build/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc.miniocl.build/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Willink Transformations and others.
+# Copyright (c) 2016, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.miniocl/build.properties b/doc/org.eclipse.qvtd.doc.miniocl/build.properties
index 2bdef9c..87c45ea 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl/build.properties
+++ b/doc/org.eclipse.qvtd.doc.miniocl/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 #
 
 bin.includes = .,\
diff --git a/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/MiniOCLTables.java b/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/MiniOCLTables.java
index b624001..e054800 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/MiniOCLTables.java
+++ b/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/MiniOCLTables.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2019 Willink Transformations and others.
+ * Copyright (c) 2019, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/lookup/EnvironmentTables.java b/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/lookup/EnvironmentTables.java
index 8dcc2a4..37da875 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/lookup/EnvironmentTables.java
+++ b/doc/org.eclipse.qvtd.doc.miniocl/emf-gen/org/eclipse/qvtd/doc/miniocl/lookup/EnvironmentTables.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2019 Willink Transformations and others.
+ * Copyright (c) 2019, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.miniocl/plugin.properties b/doc/org.eclipse.qvtd.doc.miniocl/plugin.properties
index f8b795b..706b846 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc.miniocl/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Willink Transformations and others.
+# Copyright (c) 2016, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.miniocl/plugin.xml b/doc/org.eclipse.qvtd.doc.miniocl/plugin.xml
index ad7c2e2..6d821d7 100644
--- a/doc/org.eclipse.qvtd.doc.miniocl/plugin.xml
+++ b/doc/org.eclipse.qvtd.doc.miniocl/plugin.xml
@@ -2,6 +2,20 @@
 <?eclipse version="3.0"?>
 
 <!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
+<!--
 -->
 
 <plugin>
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/build.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/build.properties
index c3761a0..4926c45 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/build.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src-gen/
 bin.includes = .,\
                META-INF/,\
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/plugin.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/plugin.properties
index c316d2f..f4a4f6a 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ide/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Willink Transformations and others.
+# Copyright (c) 2016, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/build.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/build.properties
index 8e429bd..b5188da 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/build.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/,\
            src-gen/
 bin.includes = .,\
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.properties
index 48c6b18..8160dc0 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Willink Transformations and others.
+# Copyright (c) 2016, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.xml b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.xml
index 08088f7..34272cd 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.xml
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext.ui/plugin.xml
@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <plugin>
 	<extension
 		point="org.eclipse.ui.editors">
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/build.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/build.properties
index bc8d47e..90cb3fb 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/build.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/,\
            src-gen/
 bin.includes = model/generated/,\
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.properties b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.properties
index ca3ef28..cf0e82b 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Willink Transformations and others.
+# Copyright (c) 2016, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.xml b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.xml
index 83027cc..99d2dfb 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.xml
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/plugin.xml
@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <plugin>
    <extension point="org.eclipse.emf.ecore.generated_package">
       <!-- @generated MiniOCLCS -->
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/AbstractCS2ASTransformer.java b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/AbstractCS2ASTransformer.java
index 310d80e..86e7b39 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/AbstractCS2ASTransformer.java
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/AbstractCS2ASTransformer.java
@@ -7,7 +7,7 @@
  * Do not edit this file. 
  */
 /*******************************************************************************
- * Copyright (c) 2015, 2019 Willink Transformations and others.
+ * Copyright (c) 2015, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASExceptionDiagnostic.java b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASExceptionDiagnostic.java
index 1421373..f4993f1 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASExceptionDiagnostic.java
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASExceptionDiagnostic.java
@@ -7,7 +7,7 @@
  * Do not edit this file. 
  */
 /*******************************************************************************
- * Copyright (c) 2015, 2018 Willink Transformations and others.
+ * Copyright (c) 2015, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformationExecutor.java b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformationExecutor.java
index b4c723a..b579347 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformationExecutor.java
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformationExecutor.java
@@ -7,7 +7,7 @@
  * Do not edit this file. 
  */
 /*******************************************************************************
- * Copyright (c) 2016, 2018 Willink Transformations and others.
+ * Copyright (c) 2016, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformer.java b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformer.java
index 85a02c9..ff756b1 100644
--- a/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformer.java
+++ b/doc/org.eclipse.qvtd.doc.minioclcs.xtext/src-gen/org/eclipse/qvtd/doc/minioclcs/xtext/tx/CS2ASTransformer.java
@@ -7,7 +7,7 @@
  * Do not edit this file. 
  */
 /*******************************************************************************
- * Copyright (c) 2015, 2018 Willink Transformations and others.
+ * Copyright (c) 2015, 2021 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc/build.properties b/doc/org.eclipse.qvtd.doc/build.properties
index 874a61d..1345c03 100644
--- a/doc/org.eclipse.qvtd.doc/build.properties
+++ b/doc/org.eclipse.qvtd.doc/build.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2014, 2015 Willink Transformations and others.
+# Copyright (c) 2014, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc/build/qvtd.xml b/doc/org.eclipse.qvtd.doc/build/qvtd.xml
index d3573ea..978060c 100644
--- a/doc/org.eclipse.qvtd.doc/build/qvtd.xml
+++ b/doc/org.eclipse.qvtd.doc/build/qvtd.xml
@@ -1,4 +1,18 @@
-<?xml version='1.0' ?><!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<?xml version='1.0' ?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
 <book>
 	<title>QVT Declarative Documentation</title>
 	<chapter id="OverviewandGettingStarted">
diff --git a/doc/org.eclipse.qvtd.doc/help/index.xml b/doc/org.eclipse.qvtd.doc/help/index.xml
index d9dfaa0..86fb252 100644
--- a/doc/org.eclipse.qvtd.doc/help/index.xml
+++ b/doc/org.eclipse.qvtd.doc/help/index.xml
@@ -1 +1,14 @@
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
 <index></index>
diff --git a/doc/org.eclipse.qvtd.doc/plugin.properties b/doc/org.eclipse.qvtd.doc/plugin.properties
index 7059905..931badd 100644
--- a/doc/org.eclipse.qvtd.doc/plugin.properties
+++ b/doc/org.eclipse.qvtd.doc/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2012, 2014 Willink Transformations and others.
+# Copyright (c) 2012, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc/plugin.xml b/doc/org.eclipse.qvtd.doc/plugin.xml
index a6a4ca2..99c07c0 100644
--- a/doc/org.eclipse.qvtd.doc/plugin.xml
+++ b/doc/org.eclipse.qvtd.doc/plugin.xml
@@ -2,7 +2,7 @@
 <?eclipse version="3.0"?>
 <!--
 /*******************************************************************************
- * Copyright (c) 2005 IBM Corporation and others.
+ * Copyright (c) 2005, 2018 IBM Corporation and others.
  * All rights reserved.   This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/doc/org.eclipse.qvtd.doc/textileBuild.xml b/doc/org.eclipse.qvtd.doc/textileBuild.xml
index 97e2411..0eb6741 100644
--- a/doc/org.eclipse.qvtd.doc/textileBuild.xml
+++ b/doc/org.eclipse.qvtd.doc/textileBuild.xml
@@ -1,4 +1,17 @@
 <!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+<!--
 	Some of the code below is
 	(c) Chris Aniszczyk <caniszczyk@gmail.com>
     (c) Lawrence Mandel <lmandel@ca.ibm.com>
diff --git a/doc/org.eclipse.qvtd.doc/toc.xml b/doc/org.eclipse.qvtd.doc/toc.xml
index 64c3e3b..d7c7398 100644
--- a/doc/org.eclipse.qvtd.doc/toc.xml
+++ b/doc/org.eclipse.qvtd.doc/toc.xml
@@ -1,3 +1,16 @@
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
 <toc label="QVT Declarative Documentation">
 <topic href="help/OverviewandGettingStarted.html" label="Overview and Getting Started">
 <topic href="help/OverviewandGettingStarted.html#WhatisQVTQueryViewTransformation" label="What is QVT?">
diff --git a/doc/org.eclipse.qvtd.doc/topics_Reference.xml b/doc/org.eclipse.qvtd.doc/topics_Reference.xml
index 8c5ff8d..11aa2a6 100644
--- a/doc/org.eclipse.qvtd.doc/topics_Reference.xml
+++ b/doc/org.eclipse.qvtd.doc/topics_Reference.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?NLS TYPE="org.eclipse.help.toc"?>
 
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <!-- This file is just a placeholder to avoid plugin.xml warnings -->
 <toc label="Reference">
 	<topic label="QVT Declarative API Reference" href="references/javadoc/index.html"/>
diff --git a/plugins/org.eclipse.qvtd.umlx.design/build.properties b/plugins/org.eclipse.qvtd.umlx.design/build.properties
index 39ae36f..bf6fc0b 100644
--- a/plugins/org.eclipse.qvtd.umlx.design/build.properties
+++ b/plugins/org.eclipse.qvtd.umlx.design/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
diff --git a/plugins/org.eclipse.qvtd.umlx.design/plugin.properties b/plugins/org.eclipse.qvtd.umlx.design/plugin.properties
index ca47d97..4739bba 100644
--- a/plugins/org.eclipse.qvtd.umlx.design/plugin.properties
+++ b/plugins/org.eclipse.qvtd.umlx.design/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2016 Eclipse Modeling Project and others.
+# Copyright (c) 2016, 2018 Eclipse Modeling Project and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/plugins/org.eclipse.qvtd.umlx.design/plugin.xml b/plugins/org.eclipse.qvtd.umlx.design/plugin.xml
index 2a21a66..b7dd95b 100644
--- a/plugins/org.eclipse.qvtd.umlx.design/plugin.xml
+++ b/plugins/org.eclipse.qvtd.umlx.design/plugin.xml
@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <plugin>
   <extension point="org.eclipse.sirius.componentization">
     <component class="org.eclipse.qvtd.umlx.design.Activator"
diff --git a/plugins/org.eclipse.qvtd.xml.design/build.properties b/plugins/org.eclipse.qvtd.xml.design/build.properties
index 01ecc9b..c7fc2dc 100644
--- a/plugins/org.eclipse.qvtd.xml.design/build.properties
+++ b/plugins/org.eclipse.qvtd.xml.design/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
diff --git a/plugins/org.eclipse.qvtd.xml.design/plugin.xml b/plugins/org.eclipse.qvtd.xml.design/plugin.xml
index 576bf2f..cc27427 100644
--- a/plugins/org.eclipse.qvtd.xml.design/plugin.xml
+++ b/plugins/org.eclipse.qvtd.xml.design/plugin.xml
@@ -1,5 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <plugin>
   <extension point="org.eclipse.sirius.componentization">
     <component class="org.eclipse.qvtd.xml.design.Activator"
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtbase.ui/src-gen/org/eclipse/qvtd/xtext/qvtbase/ide/contentassist/antlr/internal/InternalQVTbaseLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtbase.ui/src-gen/org/eclipse/qvtd/xtext/qvtbase/ide/contentassist/antlr/internal/InternalQVTbaseLexer.java
index 1c598a5..1059ae8 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtbase.ui/src-gen/org/eclipse/qvtd/xtext/qvtbase/ide/contentassist/antlr/internal/InternalQVTbaseLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtbase.ui/src-gen/org/eclipse/qvtd/xtext/qvtbase/ide/contentassist/antlr/internal/InternalQVTbaseLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtbase.ide.contentassist.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtbase/src-gen/org/eclipse/qvtd/xtext/qvtbase/parser/antlr/internal/InternalQVTbaseLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtbase/src-gen/org/eclipse/qvtd/xtext/qvtbase/parser/antlr/internal/InternalQVTbaseLexer.java
index 4080683..5328971 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtbase/src-gen/org/eclipse/qvtd/xtext/qvtbase/parser/antlr/internal/InternalQVTbaseLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtbase/src-gen/org/eclipse/qvtd/xtext/qvtbase/parser/antlr/internal/InternalQVTbaseLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtbase.parser.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtcore.ui/src-gen/org/eclipse/qvtd/xtext/qvtcore/ide/contentassist/antlr/internal/InternalQVTcoreLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtcore.ui/src-gen/org/eclipse/qvtd/xtext/qvtcore/ide/contentassist/antlr/internal/InternalQVTcoreLexer.java
index 43bd391..16a8187 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtcore.ui/src-gen/org/eclipse/qvtd/xtext/qvtcore/ide/contentassist/antlr/internal/InternalQVTcoreLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtcore.ui/src-gen/org/eclipse/qvtd/xtext/qvtcore/ide/contentassist/antlr/internal/InternalQVTcoreLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtcore.ide.contentassist.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtcore/src-gen/org/eclipse/qvtd/xtext/qvtcore/parser/antlr/internal/InternalQVTcoreLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtcore/src-gen/org/eclipse/qvtd/xtext/qvtcore/parser/antlr/internal/InternalQVTcoreLexer.java
index c13088d..313e207 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtcore/src-gen/org/eclipse/qvtd/xtext/qvtcore/parser/antlr/internal/InternalQVTcoreLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtcore/src-gen/org/eclipse/qvtd/xtext/qvtcore/parser/antlr/internal/InternalQVTcoreLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtcore.parser.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtimperative.ui/src-gen/org/eclipse/qvtd/xtext/qvtimperative/ide/contentassist/antlr/internal/InternalQVTimperativeLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtimperative.ui/src-gen/org/eclipse/qvtd/xtext/qvtimperative/ide/contentassist/antlr/internal/InternalQVTimperativeLexer.java
index 221c72c..f2927cc 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtimperative.ui/src-gen/org/eclipse/qvtd/xtext/qvtimperative/ide/contentassist/antlr/internal/InternalQVTimperativeLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtimperative.ui/src-gen/org/eclipse/qvtd/xtext/qvtimperative/ide/contentassist/antlr/internal/InternalQVTimperativeLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtimperative.ide.contentassist.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtimperative/src-gen/org/eclipse/qvtd/xtext/qvtimperative/parser/antlr/internal/InternalQVTimperativeLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtimperative/src-gen/org/eclipse/qvtd/xtext/qvtimperative/parser/antlr/internal/InternalQVTimperativeLexer.java
index 43aef27..74990f5 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtimperative/src-gen/org/eclipse/qvtd/xtext/qvtimperative/parser/antlr/internal/InternalQVTimperativeLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtimperative/src-gen/org/eclipse/qvtd/xtext/qvtimperative/parser/antlr/internal/InternalQVTimperativeLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtimperative.parser.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtrelation.ui/src-gen/org/eclipse/qvtd/xtext/qvtrelation/ide/contentassist/antlr/internal/InternalQVTrelationLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtrelation.ui/src-gen/org/eclipse/qvtd/xtext/qvtrelation/ide/contentassist/antlr/internal/InternalQVTrelationLexer.java
index 5bb24e2..8f2942a 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtrelation.ui/src-gen/org/eclipse/qvtd/xtext/qvtrelation/ide/contentassist/antlr/internal/InternalQVTrelationLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtrelation.ui/src-gen/org/eclipse/qvtd/xtext/qvtrelation/ide/contentassist/antlr/internal/InternalQVTrelationLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtrelation.ide.contentassist.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/plugins/org.eclipse.qvtd.xtext.qvtrelation/src-gen/org/eclipse/qvtd/xtext/qvtrelation/parser/antlr/internal/InternalQVTrelationLexer.java b/plugins/org.eclipse.qvtd.xtext.qvtrelation/src-gen/org/eclipse/qvtd/xtext/qvtrelation/parser/antlr/internal/InternalQVTrelationLexer.java
index e40e080..b68d3c3 100644
--- a/plugins/org.eclipse.qvtd.xtext.qvtrelation/src-gen/org/eclipse/qvtd/xtext/qvtrelation/parser/antlr/internal/InternalQVTrelationLexer.java
+++ b/plugins/org.eclipse.qvtd.xtext.qvtrelation/src-gen/org/eclipse/qvtd/xtext/qvtrelation/parser/antlr/internal/InternalQVTrelationLexer.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.qvtd.xtext.qvtrelation.parser.antlr.internal;
 
 // Hack: Use our own Lexer superclass by means of import.
diff --git a/releng/org.eclipse.qvtd.build/build.properties b/releng/org.eclipse.qvtd.build/build.properties
index 879bfa6..b12742c 100644
--- a/releng/org.eclipse.qvtd.build/build.properties
+++ b/releng/org.eclipse.qvtd.build/build.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2014 Willink Transformations and others.
+# Copyright (c) 2014, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/releng/org.eclipse.qvtd.build/plugin.properties b/releng/org.eclipse.qvtd.build/plugin.properties
index 1f16eca..6b33e09 100644
--- a/releng/org.eclipse.qvtd.build/plugin.properties
+++ b/releng/org.eclipse.qvtd.build/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2011, 2015 Willink Transformations and others.
+# Copyright (c) 2011, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/releng/org.eclipse.qvtd.releng.build-site/build.properties b/releng/org.eclipse.qvtd.releng.build-site/build.properties
index 87f5bad..6390d8f 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/build.properties
+++ b/releng/org.eclipse.qvtd.releng.build-site/build.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2014 Willink Transformations and others.
+# Copyright (c) 2014, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/releng/org.eclipse.qvtd.releng.build-site/category.xml b/releng/org.eclipse.qvtd.releng.build-site/category.xml
index 0e79cda..294c565 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/category.xml
+++ b/releng/org.eclipse.qvtd.releng.build-site/category.xml
@@ -1,4 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <site>
    <feature id="org.eclipse.qvtd.atl" version="0.0.0">
       <category name="qvtd.atl"/>
diff --git a/releng/org.eclipse.qvtd.releng.build-site/feature.properties b/releng/org.eclipse.qvtd.releng.build-site/feature.properties
index 04630c8..aca2939 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/feature.properties
+++ b/releng/org.eclipse.qvtd.releng.build-site/feature.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2012, 2014 Willink Transformations and others.
+# Copyright (c) 2012, 2018 Willink Transformations and others.
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v2.0
 # which accompanies this distribution, and is available at
diff --git a/releng/org.eclipse.qvtd.releng.build-site/feature.xml b/releng/org.eclipse.qvtd.releng.build-site/feature.xml
index 6b9258e..1a7dd74 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/feature.xml
+++ b/releng/org.eclipse.qvtd.releng.build-site/feature.xml
@@ -1,4 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <feature
       id="org.eclipse.qvtd.releng.build"
       label="QVTd Build Site (Incubation)"
diff --git a/releng/org.eclipse.qvtd.releng.build-site/pom.xml b/releng/org.eclipse.qvtd.releng.build-site/pom.xml
index d84c87a..2323120 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/pom.xml
+++ b/releng/org.eclipse.qvtd.releng.build-site/pom.xml
@@ -1,4 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <modelVersion>4.0.0</modelVersion>
diff --git a/releng/org.eclipse.qvtd.releng.build-site/publisher.properties b/releng/org.eclipse.qvtd.releng.build-site/publisher.properties
index e3ae140..0b6a223 100644
--- a/releng/org.eclipse.qvtd.releng.build-site/publisher.properties
+++ b/releng/org.eclipse.qvtd.releng.build-site/publisher.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 # QVTd publisher properties for use by the promoter job:
 #
 # rm -f publish.sh
diff --git a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/promoter.xml b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/promoter.xml
index 113f7d0..017f8e0 100644
--- a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/promoter.xml
+++ b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/promoter.xml
@@ -1,4 +1,18 @@
 <?xml version='1.1' encoding='UTF-8'?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <project>
   <actions/>
   <description>Promote the results of a build to the downloads and updates areas.</description>
diff --git a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-branch-tests.xml b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-branch-tests.xml
index db0c368..23e2003 100644
--- a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-branch-tests.xml
+++ b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-branch-tests.xml
@@ -1,4 +1,18 @@
 <?xml version='1.1' encoding='UTF-8'?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <project>
   <actions/>
   <description>&lt;p&gt;Branch development stream: Eclipse QVTd build using Tycho to build.&lt;/p&gt;</description>
diff --git a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-master.xml b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-master.xml
index e896470..19c6113 100644
--- a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-master.xml
+++ b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/qvtd-master.xml
@@ -1,4 +1,18 @@
 <?xml version='1.1' encoding='UTF-8'?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <project>
   <actions/>
   <description>&lt;p&gt;Release stream: QVTd build of the GIT master branch using Tycho + Shell and Ant scripts to build.&lt;/p&gt;</description>
diff --git a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/shell.xml b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/shell.xml
index 2034e2f..3c8f1bb 100644
--- a/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/shell.xml
+++ b/releng/org.eclipse.qvtd.releng.tycho/jobConfigs/shell.xml
@@ -1,4 +1,18 @@
 <?xml version='1.1' encoding='UTF-8'?>
+<!--
+    Copyright (c) 2023 Willink Transformations and others.
+   
+    This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License 2.0
+    which accompanies this distribution, and is available at
+    https://www.eclipse.org/legal/epl-2.0/
+   
+    SPDX-License-Identifier: EPL-2.0
+   
+    Contributors:
+        E.D.Willink - initial API and implementation
+ -->
+
 <project>
   <actions/>
   <description>Execute an arbitrary shell command.</description>
diff --git a/releng/org.eclipse.qvtd.releng.tycho/pom.xml b/releng/org.eclipse.qvtd.releng.tycho/pom.xml
index d092e7f..a9431e6 100644
--- a/releng/org.eclipse.qvtd.releng.tycho/pom.xml
+++ b/releng/org.eclipse.qvtd.releng.tycho/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-   Copyright (c) 2017 Willink Transformations and others.
+   Copyright (c) 2017, 2023 Willink Transformations and others.
 
    All rights reserved. This program and the accompanying materials
    are made available under the terms of the Eclipse Public License v2.0
diff --git a/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/build.properties b/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/build.properties
index 914b09c..7ef58a7 100644
--- a/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/build.properties
+++ b/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/build.properties
@@ -1,3 +1,16 @@
+###############################################################################
+# Copyright (c) 2023 Willink Transformations and others.
+#
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#     E.D.Willink - initial API and implementation
+###############################################################################
 source.. = src/,\
            src-gen/,\
            xtend-gen/
diff --git a/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/src-gen/org/eclipse/qvtd/doc/ui/tests/MiniOCLCSUiInjectorProvider.java b/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/src-gen/org/eclipse/qvtd/doc/ui/tests/MiniOCLCSUiInjectorProvider.java
index febca58..b40a1f4 100644
--- a/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/src-gen/org/eclipse/qvtd/doc/ui/tests/MiniOCLCSUiInjectorProvider.java
+++ b/tests/org.eclipse.qvtd.doc.minioclcs.xtext.ui.tests/src-gen/org/eclipse/qvtd/doc/ui/tests/MiniOCLCSUiInjectorProvider.java
@@ -1,3 +1,16 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Willink Transformations and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     E.D.Willink - initial API and implementation
+ *******************************************************************************/
 /*
  * generated by Xtext 2.10.0-SNAPSHOT
  */
diff --git a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/AllQVTrelationTests.java b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/AllQVTrelationTests.java
index 4f6add8..5077c66 100644
--- a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/AllQVTrelationTests.java
+++ b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/AllQVTrelationTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2002,2019 IBM Corporation and others.
+ * Copyright (c) 2002,2023 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrFormatTests.java b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrFormatTests.java
index eabce52..ee2def4 100644
--- a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrFormatTests.java
+++ b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrFormatTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2022 Willink Transformations and others.
+ * Copyright (c) 2017, 2023 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
diff --git a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrSerializeTests.java b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrSerializeTests.java
index 64df555..f98bba3 100644
--- a/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrSerializeTests.java
+++ b/tests/org.eclipse.qvtd.xtext.qvtrelation.tests/src/org/eclipse/qvtd/xtext/qvtrelation/tests/QVTrSerializeTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2022 Willink Transformations and others.
+ * Copyright (c) 2017, 2023 Willink Transformations and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at