Added copyright comment to txt documents
diff --git a/README.txt b/README.txt
index f1aafc9..d5cd9e1 100644
--- a/README.txt
+++ b/README.txt
@@ -1,3 +1,22 @@
+/*
+ * 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.
+ */
+
 ===============================================================================
 
  FreeMarker {version}
diff --git a/src/manual/en_US/docgen-help/editors-readme.txt b/src/manual/en_US/docgen-help/editors-readme.txt
index 5280d97..d556d12 100644
--- a/src/manual/en_US/docgen-help/editors-readme.txt
+++ b/src/manual/en_US/docgen-help/editors-readme.txt
@@ -1,3 +1,22 @@
+/*
+ * 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.
+ */
+ 
 Guide to FreeMarker Manual for Editors
 ======================================
 
diff --git a/src/manual/en_US/docgen-originals/figures/odg-convert-howto.txt b/src/manual/en_US/docgen-originals/figures/odg-convert-howto.txt
index 1db294c..5509678 100644
--- a/src/manual/en_US/docgen-originals/figures/odg-convert-howto.txt
+++ b/src/manual/en_US/docgen-originals/figures/odg-convert-howto.txt
@@ -1,3 +1,22 @@
+/*
+ * 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.
+ */
+ 
 Converting to SVG:
 1. Open the ODG file with Libeoffice/OpenOffice Draw
 2. Ctrl+A to select all objects
diff --git a/src/manual/zh_CN/placeholder.txt b/src/manual/zh_CN/placeholder.txt
index a83feff..a33e358 100644
--- a/src/manual/zh_CN/placeholder.txt
+++ b/src/manual/zh_CN/placeholder.txt
@@ -1,3 +1,22 @@
+/*
+ * 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.
+ */
+
 Add the Chinese Manual here, then delete this file.
 You can use these to test if the Manual is generated succesfully: