diff --git a/src/models/BlockClassDiagram.pgml b/src/models/BlockClassDiagram.pgml
index 72dd22a41..11d979ad4 100644
--- a/src/models/BlockClassDiagram.pgml
+++ b/src/models/BlockClassDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffe"
       name="BlockClassDiagram"
diff --git a/src/models/HSSFOperationalUseCases.pgml b/src/models/HSSFOperationalUseCases.pgml
index 3706a32e0..fe331fdff 100644
--- a/src/models/HSSFOperationalUseCases.pgml
+++ b/src/models/HSSFOperationalUseCases.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.use_case.ui.UMLUseCaseDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffc"
       name="HSSFOperationalUseCases"
diff --git a/src/models/HSSFSerializerClassDiagram.pgml b/src/models/HSSFSerializerClassDiagram.pgml
index 44ea48875..474a2bfb0 100644
--- a/src/models/HSSFSerializerClassDiagram.pgml
+++ b/src/models/HSSFSerializerClassDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffe"
       name="HSSFSerializerClassDiagram"
diff --git a/src/models/HSSFSerializerUseCases.pgml b/src/models/HSSFSerializerUseCases.pgml
index fc5c267d1..e7dfc3f10 100644
--- a/src/models/HSSFSerializerUseCases.pgml
+++ b/src/models/HSSFSerializerUseCases.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.use_case.ui.UMLUseCaseDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffb"
       name="HSSF Serializer Use Cases"
diff --git a/src/models/HSSFUseCases.pgml b/src/models/HSSFUseCases.pgml
index db90c09b0..0bca88408 100644
--- a/src/models/HSSFUseCases.pgml
+++ b/src/models/HSSFUseCases.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.use_case.ui.UMLUseCaseDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffc"
       name="HSSFUseCases"
diff --git a/src/models/POIFSAddDocument.pgml b/src/models/POIFSAddDocument.pgml
index f28a8bd4c..211754623 100644
--- a/src/models/POIFSAddDocument.pgml
+++ b/src/models/POIFSAddDocument.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSAddDocument"
diff --git a/src/models/POIFSClassDiagram.pgml b/src/models/POIFSClassDiagram.pgml
index 96faf60ae..0f20959a3 100644
--- a/src/models/POIFSClassDiagram.pgml
+++ b/src/models/POIFSClassDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffe"
       name="POIFSClassDiagram"
diff --git a/src/models/POIFSInitialization.pgml b/src/models/POIFSInitialization.pgml
index e43bd43e6..3c487567b 100644
--- a/src/models/POIFSInitialization.pgml
+++ b/src/models/POIFSInitialization.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSInitialization"
diff --git a/src/models/POIFSLifeCycle.pgml b/src/models/POIFSLifeCycle.pgml
index 136eba00c..88c431588 100644
--- a/src/models/POIFSLifeCycle.pgml
+++ b/src/models/POIFSLifeCycle.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSLifeCycle"
diff --git a/src/models/POIFSPropertyTablePreWrite.pgml b/src/models/POIFSPropertyTablePreWrite.pgml
index db5f3bd53..dba9bb2e8 100644
--- a/src/models/POIFSPropertyTablePreWrite.pgml
+++ b/src/models/POIFSPropertyTablePreWrite.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSPropertyTablePreWrite"
diff --git a/src/models/POIFSRootPropertyPreWrite.pgml b/src/models/POIFSRootPropertyPreWrite.pgml
index 45068d7db..829e8d36d 100644
--- a/src/models/POIFSRootPropertyPreWrite.pgml
+++ b/src/models/POIFSRootPropertyPreWrite.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSRootPropertyPreWrite"
diff --git a/src/models/POIFSWriteFilesystem.pgml b/src/models/POIFSWriteFilesystem.pgml
index 06c6f1621..1a0196527 100644
--- a/src/models/POIFSWriteFilesystem.pgml
+++ b/src/models/POIFSWriteFilesystem.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="POIFSWriteFilesystem"
diff --git a/src/models/POIUseCases.pgml b/src/models/POIUseCases.pgml
index 725ba22ee..ee5a00286 100644
--- a/src/models/POIUseCases.pgml
+++ b/src/models/POIUseCases.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.use_case.ui.UMLUseCaseDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffd"
       name="POIUseCases"
diff --git a/src/models/PropertyTableClassDiagram.pgml b/src/models/PropertyTableClassDiagram.pgml
index b788a8fd2..de6ae19bb 100644
--- a/src/models/PropertyTableClassDiagram.pgml
+++ b/src/models/PropertyTableClassDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffe"
       name="PropertyTableClassDiagram"
diff --git a/src/models/analysismain.pgml b/src/models/analysismain.pgml
index 3d548c2a8..5e2ca17bd 100644
--- a/src/models/analysismain.pgml
+++ b/src/models/analysismain.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7fff"
       name="analysismain"
diff --git a/src/models/poi.argo b/src/models/poi.argo
index b31792b41..80c189b5b 100644
--- a/src/models/poi.argo
+++ b/src/models/poi.argo
@@ -1,4 +1,22 @@
 <?xml version = "1.0" encoding = "ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE argo SYSTEM "argo.dtd" >
 <argo>
   <documentation>
diff --git a/src/models/poi.xmi b/src/models/poi.xmi
index 48ae9c600..5feadacec 100644
--- a/src/models/poi.xmi
+++ b/src/models/poi.xmi
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <XMI xmi.version="1.0">
   <XMI.header>
     <XMI.documentation>
@@ -19111,4 +19129,4 @@
       </Foundation.Core.Namespace.ownedElement>
     </Model_Management.Model>
   </XMI.content>
-</XMI>
\ No newline at end of file
+</XMI>
diff --git a/src/models/poifsAnalysisClasses.pgml b/src/models/poifsAnalysisClasses.pgml
index 39c4ab62c..91ae56432 100644
--- a/src/models/poifsAnalysisClasses.pgml
+++ b/src/models/poifsAnalysisClasses.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-7ffd"
       name="poifsAnalysisClasses"
diff --git a/src/models/projectmain.pgml b/src/models/projectmain.pgml
index 9bb2a67c9..e385871f9 100644
--- a/src/models/projectmain.pgml
+++ b/src/models/projectmain.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|-64--88-1-2-717d91:e7cd986e07:-8000"
       name="projectmain"
diff --git a/src/models/readFileFromFilesystemSequenceDiagram.pgml b/src/models/readFileFromFilesystemSequenceDiagram.pgml
index 8b732a1c3..e2af7401f 100644
--- a/src/models/readFileFromFilesystemSequenceDiagram.pgml
+++ b/src/models/readFileFromFilesystemSequenceDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-7ff2"
       name="readFileFromFilesystemSequenceDiagram"
diff --git a/src/models/readFileSystemDirectorySequenceDiagram.pgml b/src/models/readFileSystemDirectorySequenceDiagram.pgml
index d10ec34e3..5456e960d 100644
--- a/src/models/readFileSystemDirectorySequenceDiagram.pgml
+++ b/src/models/readFileSystemDirectorySequenceDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-7ff3"
       name="readFileSystemDirectorySequenceDiagram"
diff --git a/src/models/readFilesystemSequenceDiagram.pgml b/src/models/readFilesystemSequenceDiagram.pgml
index 09c55b7bd..5c72dad5a 100644
--- a/src/models/readFilesystemSequenceDiagram.pgml
+++ b/src/models/readFilesystemSequenceDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-7ff6"
       name="readFilesystemSequenceDiagram"
diff --git a/src/models/utilClasses.pgml b/src/models/utilClasses.pgml
index fb86a0ff0..d70dec548 100644
--- a/src/models/utilClasses.pgml
+++ b/src/models/utilClasses.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram|127-0-0-1-5b0da1:e8e6d2b713:-7ffc"
       name="utilClasses"
diff --git a/src/models/writeFilesystemSequenceDiagram.pgml b/src/models/writeFilesystemSequenceDiagram.pgml
index d21bef7b3..fc5746c26 100644
--- a/src/models/writeFilesystemSequenceDiagram.pgml
+++ b/src/models/writeFilesystemSequenceDiagram.pgml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+   ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+   ====================================================================
+-->
 <!DOCTYPE pgml SYSTEM "pgml.dtd">
 <pgml description="org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram|-64--88-1-2-717d91:e7cd986e07:-7ff5"
       name="writeFilesystemSequenceDiagram"