diff --git a/README b/README
index 2c7f27b26cf0c0719b8edb7f0a858ca1f73406ef..9eeca0dd6ab2ea0a20322f8b48b91f4a2b16de29 100644
--- a/README
+++ b/README
@@ -141,7 +141,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 Change history
 --------------
 
-Version 2.19c (02/25/2016)
+Version 2.20a (02/25/2016)
 
 - Another patch for Python 2 and 3.  We needed to protect against
   performing an encoding that caused an exception in generateDS.py
diff --git a/generateDS.html b/generateDS.html
index c456395c80c54f253f02ab6e85f217a5c3142c5c..22537759fa1e83307072287594cbec1699a47bbb 100644
--- a/generateDS.html
+++ b/generateDS.html
@@ -3,7 +3,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="generator" content="Docutils 0.13: http://docutils.sourceforge.net/" />
+<meta name="generator" content="Docutils 0.12: http://docutils.sourceforge.net/" />
 <title>generateDS -- Generate Data Structures from XML Schema</title>
 <meta name="author" content="Dave Kuhlman" />
 <style type="text/css">
@@ -220,7 +220,7 @@ They are used by updateversion.py. -->
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.19b</td>
+<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.20a</td>
 </tr>
 </tbody>
 </table>
@@ -229,7 +229,7 @@ They are used by updateversion.py. -->
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">date:</th><td class="field-body">February 16, 2016</td>
+<tr class="field"><th class="field-name">date:</th><td class="field-body">February 25, 2016</td>
 </tr>
 </tbody>
 </table>
@@ -3171,7 +3171,7 @@ following among others:</p>
 <div class="footer">
 <hr class="footer" />
 <a class="reference external" href="generateDS.txt">View document source</a>.
-Generated on: 2016-02-16 20:53 UTC.
+Generated on: 2016-02-26 00:54 UTC.
 Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
 
 </div>
diff --git a/generateDS.py b/generateDS.py
index 6ba42bf31884d7db5f280695e091d47fde199761..2d90b8f3589b1265e694359e9b6814db28338a51 100755
--- a/generateDS.py
+++ b/generateDS.py
@@ -202,7 +202,7 @@ logging.disable(logging.INFO)
 # Do not modify the following VERSION comments.
 # Used by updateversion.py.
 ##VERSION##
-VERSION = '2.19c'
+VERSION = '2.20a'
 ##VERSION##
 
 if sys.version_info.major == 2:
diff --git a/generateDS.txt b/generateDS.txt
index 2a820d50f41429973d01319b76a47c6d7f811dcb..c83f3318524a2c786d2db264bde2f9aa006ae083 100644
--- a/generateDS.txt
+++ b/generateDS.txt
@@ -12,7 +12,7 @@ generateDS -- Generate Data Structures from XML Schema
 
 .. version
 
-:revision: 2.19c
+:revision: 2.20a
 
 .. version
 
diff --git a/gui/generateds_gui.py b/gui/generateds_gui.py
index 87693faabae2d25ea0af0508771c271efdf37089..8005633514af658ca1b931a1eab56a3083009721 100755
--- a/gui/generateds_gui.py
+++ b/gui/generateds_gui.py
@@ -31,7 +31,7 @@ from libgenerateDS.gui import generateds_gui_session
 # Do not modify the following VERSION comments.
 # Used by updateversion.py.
 ##VERSION##
-VERSION = '2.19c'
+VERSION = '2.20a'
 ##VERSION##
 
 
diff --git a/librarytemplate_howto.html b/librarytemplate_howto.html
index b7797186e39827c44b27546ad87f3bdde5a07e03..7ba967b52f7a3106a4c3378bcc9c7cc53447faaf 100644
--- a/librarytemplate_howto.html
+++ b/librarytemplate_howto.html
@@ -3,7 +3,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="generator" content="Docutils 0.13: http://docutils.sourceforge.net/" />
+<meta name="generator" content="Docutils 0.12: http://docutils.sourceforge.net/" />
 <title>How to package a generateDS.py generated library</title>
 <meta name="author" content="Dave Kuhlman" />
 <style type="text/css">
@@ -217,7 +217,7 @@ dkuhlman (at) davekuhlman (dot) org
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.19b</td>
+<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.20a</td>
 </tr>
 </tbody>
 </table>
@@ -226,7 +226,7 @@ dkuhlman (at) davekuhlman (dot) org
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">date:</th><td class="field-body">February 16, 2016</td>
+<tr class="field"><th class="field-name">date:</th><td class="field-body">February 25, 2016</td>
 </tr>
 </tbody>
 </table>
@@ -380,7 +380,7 @@ this command for your needs.  For example, you may need to use
 <div class="footer">
 <hr class="footer" />
 <a class="reference external" href="librarytemplate_howto.txt">View document source</a>.
-Generated on: 2016-02-16 20:53 UTC.
+Generated on: 2016-02-26 00:54 UTC.
 Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
 
 </div>
diff --git a/librarytemplate_howto.txt b/librarytemplate_howto.txt
index f7195fcfa36eff73042c920324773827ced34abd..4abf50f23aa2de2199d4923e82cddcbb7a74e281 100644
--- a/librarytemplate_howto.txt
+++ b/librarytemplate_howto.txt
@@ -8,7 +8,7 @@ How to package a generateDS.py generated library
 
 .. version
 
-:revision: 2.19c
+:revision: 2.20a
 
 .. version
 
diff --git a/process_includes.py b/process_includes.py
index 8293fd491d89597886ac92bbc5e1b8212c43b3a9..c4f5e57ab31f0e939efa32bf26f68f70a3f5c13f 100755
--- a/process_includes.py
+++ b/process_includes.py
@@ -40,7 +40,7 @@ except ImportError:
 # Do not modify the following VERSION comments.
 # Used by updateversion.py.
 ##VERSION##
-VERSION = '2.19c'
+VERSION = '2.20a'
 ##VERSION##
 
 CatalogDict = {}
diff --git a/setup.py b/setup.py
index cb8b843f2db57fd672a223098c275b59f1537873..6f9c281f31c6a4dfb811eef578907fce078c366a 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ setup(name="generateDS",
 # Do not modify the following VERSION comments.
 # Used by updateversion.py.
 ##VERSION##
-    version="2.19c",
+    version="2.20a",
 ##VERSION##
     author="Dave Kuhlman",
     author_email="dkuhlman@davekuhlman.org",
diff --git a/tutorial/generateds_tutorial.html b/tutorial/generateds_tutorial.html
index 9b7a8fd8372656075cbfcdf2dfa756127cab979d..dde286bc104fc9eeccce6e6d295f01581688ff8f 100644
--- a/tutorial/generateds_tutorial.html
+++ b/tutorial/generateds_tutorial.html
@@ -3,7 +3,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="generator" content="Docutils 0.13: http://docutils.sourceforge.net/" />
+<meta name="generator" content="Docutils 0.12: http://docutils.sourceforge.net/" />
 <title>generateDS -- Introduction and Tutorial</title>
 <meta name="author" content="Dave Kuhlman" />
 <style type="text/css">
@@ -219,7 +219,7 @@ They are used by updateversion.py. -->
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.19b</td>
+<tr class="field"><th class="field-name">revision:</th><td class="field-body">2.20a</td>
 </tr>
 </tbody>
 </table>
@@ -228,7 +228,7 @@ They are used by updateversion.py. -->
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field"><th class="field-name">date:</th><td class="field-body">February 16, 2016</td>
+<tr class="field"><th class="field-name">date:</th><td class="field-body">February 25, 2016</td>
 </tr>
 </tbody>
 </table>
@@ -1210,7 +1210,7 @@ named <tt class="docutils literal">garden_api.py</tt>, you can create an instanc
 <div class="footer">
 <hr class="footer" />
 <a class="reference external" href="generateds_tutorial.txt">View document source</a>.
-Generated on: 2016-02-16 20:53 UTC.
+Generated on: 2016-02-26 00:54 UTC.
 Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
 
 </div>
diff --git a/tutorial/generateds_tutorial.txt b/tutorial/generateds_tutorial.txt
index 6aa62039cf489af121e898967d72d3b63683ae3e..c2e27d55a9d33565c91acb79eb04f1b3f4b4d93f 100644
--- a/tutorial/generateds_tutorial.txt
+++ b/tutorial/generateds_tutorial.txt
@@ -11,7 +11,7 @@ generateDS -- Introduction and Tutorial
 
 .. version
 
-:revision: 2.19c
+:revision: 2.20a
 
 .. version
 
diff --git a/tutorial/generateds_tutorial.zip b/tutorial/generateds_tutorial.zip
index 10f4d0348f9a08d52678d11cd29379fe4b21f59c..ea26f8a381ffe394295bbb216537f991ddfcfd55 100644
Binary files a/tutorial/generateds_tutorial.zip and b/tutorial/generateds_tutorial.zip differ