diff --git a/src/etc/checkstyle-frames.xsl b/src/etc/checkstyle-frames.xsl
index eaa5c3adb..104af5c7e 100644
--- a/src/etc/checkstyle-frames.xsl
+++ b/src/etc/checkstyle-frames.xsl
@@ -3,6 +3,60 @@
     xmlns:redirect="org.apache.xalan.xslt.extensions.Redirect"
     extension-element-prefixes="redirect">
 
+<!--
+ The Apache Software License, Version 1.1
+
+ Copyright (c) 2002 The Apache Software Foundation.  All rights
+ reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+
+ 3. The end-user documentation included with the redistribution, if
+    any, must include the following acknowlegement:
+       "This product includes software developed by the
+        Apache Software Foundation (http://www.apache.org/)."
+    Alternately, this acknowlegement may appear in the software itself,
+    if and wherever such third-party acknowlegements normally appear.
+
+ 4. The names "The Jakarta Project", "Ant", and "Apache Software
+    Foundation" must not be used to endorse or promote products derived
+    from this software without prior written permission. For written
+    permission, please contact apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache"
+    nor may "Apache" appear in their names without prior written
+    permission of the Apache Group.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+ ====================================================================
+
+ This software consists of voluntary contributions made by many
+ individuals on behalf of the Apache Software Foundation.  For more
+ information on the Apache Software Foundation, please see
+ <http://www.apache.org/>.
+ -->
+
     <xsl:output method="html" indent="yes" encoding="US-ASCII"/>
     <xsl:decimal-format decimal-separator="." grouping-separator="," />
 
diff --git a/src/etc/jdepend.xsl b/src/etc/jdepend.xsl
index 0d7e79cf8..47ba0a039 100644
--- a/src/etc/jdepend.xsl
+++ b/src/etc/jdepend.xsl
@@ -1,4 +1,59 @@
 <xsl:stylesheet	xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+
+<!--
+ The Apache Software License, Version 1.1
+
+ Copyright (c) 2002 The Apache Software Foundation.  All rights
+ reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+
+ 3. The end-user documentation included with the redistribution, if
+    any, must include the following acknowlegement:
+       "This product includes software developed by the
+        Apache Software Foundation (http://www.apache.org/)."
+    Alternately, this acknowlegement may appear in the software itself,
+    if and wherever such third-party acknowlegements normally appear.
+
+ 4. The names "The Jakarta Project", "Ant", and "Apache Software
+    Foundation" must not be used to endorse or promote products derived
+    from this software without prior written permission. For written
+    permission, please contact apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache"
+    nor may "Apache" appear in their names without prior written
+    permission of the Apache Group.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+ ====================================================================
+
+ This software consists of voluntary contributions made by many
+ individuals on behalf of the Apache Software Foundation.  For more
+ information on the Apache Software Foundation, please see
+ <http://www.apache.org/>.
+ -->
+
 <xsl:output method="html" indent="yes"  encoding="US-ASCII"/>
 <xsl:decimal-format decimal-separator="." grouping-separator="," />