diff --git a/result/intsubset2.xml b/result/intsubset2.xml
index b1039553..af5ddef4 100644
--- a/result/intsubset2.xml
+++ b/result/intsubset2.xml
@@ -1,4 +1,13 @@
 <?xml version="1.0"?>
+<!--
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+-->
 <!DOCTYPE kanjidic2 [
 <!-- Version 1.3
 	This is the DTD of the XML-format kanji file combining information from
diff --git a/result/intsubset2.xml.rde b/result/intsubset2.xml.rde
index d27e245e..d32947c5 100644
--- a/result/intsubset2.xml.rde
+++ b/result/intsubset2.xml.rde
@@ -1,3 +1,12 @@
+0 8 #comment 0 1 
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+
 0 10 kanjidic2 0 0
 0 1 kanjidic2 0 0
 1 14 #text 0 1 
diff --git a/result/intsubset2.xml.rdr b/result/intsubset2.xml.rdr
index d27e245e..d32947c5 100644
--- a/result/intsubset2.xml.rdr
+++ b/result/intsubset2.xml.rdr
@@ -1,3 +1,12 @@
+0 8 #comment 0 1 
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+
 0 10 kanjidic2 0 0
 0 1 kanjidic2 0 0
 1 14 #text 0 1 
diff --git a/result/intsubset2.xml.sax b/result/intsubset2.xml.sax
index b4d7bf46..59112681 100644
--- a/result/intsubset2.xml.sax
+++ b/result/intsubset2.xml.sax
@@ -1,5 +1,14 @@
 SAX.setDocumentLocator()
 SAX.startDocument()
+SAX.comment(
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+)
 SAX.internalSubset(kanjidic2, , )
 SAX.comment( Version 1.3
 	This is the DTD of the XML-format kanji file combining information from
diff --git a/result/intsubset2.xml.sax2 b/result/intsubset2.xml.sax2
index 55587017..2184e56f 100644
--- a/result/intsubset2.xml.sax2
+++ b/result/intsubset2.xml.sax2
@@ -1,5 +1,14 @@
 SAX.setDocumentLocator()
 SAX.startDocument()
+SAX.comment(
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+)
 SAX.internalSubset(kanjidic2, , )
 SAX.comment( Version 1.3
 	This is the DTD of the XML-format kanji file combining information from
diff --git a/result/noent/intsubset2.xml b/result/noent/intsubset2.xml
index b1039553..af5ddef4 100644
--- a/result/noent/intsubset2.xml
+++ b/result/noent/intsubset2.xml
@@ -1,4 +1,13 @@
 <?xml version="1.0"?>
+<!--
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+-->
 <!DOCTYPE kanjidic2 [
 <!-- Version 1.3
 	This is the DTD of the XML-format kanji file combining information from
diff --git a/result/noent/intsubset2.xml.sax2 b/result/noent/intsubset2.xml.sax2
index 55587017..2184e56f 100644
--- a/result/noent/intsubset2.xml.sax2
+++ b/result/noent/intsubset2.xml.sax2
@@ -1,5 +1,14 @@
 SAX.setDocumentLocator()
 SAX.startDocument()
+SAX.comment(
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+)
 SAX.internalSubset(kanjidic2, , )
 SAX.comment( Version 1.3
 	This is the DTD of the XML-format kanji file combining information from
diff --git a/test/intsubset2.xml b/test/intsubset2.xml
index 4ae845a0..b76505e4 100644
--- a/test/intsubset2.xml
+++ b/test/intsubset2.xml
@@ -1,4 +1,13 @@
 <?xml version="1.0"?>
+<!--
+Copyright (C) Electronic Dictionary Research and Development Group
+Released under Creative Commons Attribution-ShareAlike Licence (V4.0)
+
+This file only contains the kanjidic2 DTD without the actual database.
+
+http://nihongo.monash.edu/kanjidic2/index.html
+http://www.edrdg.org/edrdg/licence.html
+-->
 <!DOCTYPE kanjidic2 [
 	<!-- Version 1.3
 	This is the DTD of the XML-format kanji file combining information from