diff --git a/proposal/myrmidon/antlib.xml b/proposal/myrmidon/antlib.xml
index 1609a5116..67df1eb6d 100644
--- a/proposal/myrmidon/antlib.xml
+++ b/proposal/myrmidon/antlib.xml
@@ -18,6 +18,7 @@ Legal:
 
   <property name="build.dir" value="build"/>
   <property name="build.lib" value="${build.dir}/lib"/>
+  <property name="build.custom-tasks" value="${build.dir}/tasks"/>
 
   <property name="src.base" value="src"/>
   <property name="java.dir" value="${src.base}/java"/>
@@ -36,6 +37,7 @@ Legal:
       <include name="*.jar" />
     </fileset>
     <pathelement path="${build.classes}" />
+    <pathelement path="${build.custom-tasks}" />
   </path>
 
   <!-- Main target -->
@@ -59,6 +61,7 @@ Legal:
       <fileset dir="${java.dir}">
         <patternset refid="antlib.include"/>
       </fileset>
+      <!-- antdoc docsDestDir="${gen.dir}/docs"/-->
     </antlib-descriptor>
   </target>
 
diff --git a/proposal/myrmidon/build.xml b/proposal/myrmidon/build.xml
index 6fb3fc8e1..7d67b2737 100644
--- a/proposal/myrmidon/build.xml
+++ b/proposal/myrmidon/build.xml
@@ -185,12 +185,15 @@ Legal:
   <!-- Compiles and installs the custom build tasks -->
   <target name="custom-tasks">
     <property name="custom-tasks-dir" value="${build.dir}/tasks"/>
+    <property name="custom-package-dir" value="${custom-tasks-dir}/org/apache/myrmidon/build"/>
     <mkdir dir="${custom-tasks-dir}"/>
     <javac srcdir="src/make" destdir="${custom-tasks-dir}">
       <classpath refid="project.class.path"/>
     </javac>
-    <copy file="${manifest.dir}/ant-descriptor.template" todir="${build.dir}/tasks"/>
-    <copy file="${manifest.dir}/ant-roles.template" todir="${build.dir}/tasks"/>
+
+    <copy file="${manifest.dir}/ant-descriptor.template" tofile="${custom-package-dir}/ant-descriptor.j"/>
+    <copy file="${manifest.dir}/ant-roles.template" tofile="${custom-package-dir}/ant-roles.j"/>
+    <copy file="${manifest.dir}/type.j" tofile="${custom-package-dir}/type.j"/>
 
     <taskdef name="antlib-jar" classname="org.apache.myrmidon.build.AntlibJarTask">
       <classpath location="${custom-tasks-dir}"/>
@@ -320,6 +323,15 @@ Legal:
       <include name="org/apache/myrmidon/launcher/*" />
     </patternset>
 
+    <patternset id="myrmidon-api-xdoclet.include">
+      <include name="org/apache/myrmidon/api/*" />
+      <include name="org/apache/myrmidon/aspects/*" />
+      <include name="org/apache/myrmidon/interfaces/**" />
+      <include name="org/apache/myrmidon/listeners/*" />
+      <include name="org/apache/myrmidon/framework/**" />
+      <include name="org/apache/aut/converter/**" />
+    </patternset>
+
     <patternset id="myrmidon-api.include">
       <include name="org/apache/myrmidon/api/*" />
       <include name="org/apache/myrmidon/aspects/*" />
@@ -357,12 +369,13 @@ Legal:
     <!-- The "builtin" descriptors include metainfo for both
          myrmidon-api and myrmidon-container jars.
          (Packaged with myrmidon-api.jar). -->
+
     <antlib-descriptor libName="builtin"
                        destdir="${gen.dir}"
                        classpathref="project.class.path">
       <fileset dir="${java.dir}">
-        <patternset refid="myrmidon-api.include"/>
-        <patternset refid="myrmidon-container.include"/>
+        <patternset refid="myrmidon-api-xdoclet.include"/>
+        <!-- <patternset refid="myrmidon-container.include"/>-->
       </fileset>
     </antlib-descriptor>
 
@@ -373,6 +386,7 @@ Legal:
         <patternset refid="selftest.include"/>
       </fileset>
     </antlib-descriptor>
+
   </target>
 
   <!-- Package the jar files -->
diff --git a/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntDocSubTask.java b/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntDocSubTask.java
new file mode 100644
index 000000000..cdce80a50
--- /dev/null
+++ b/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntDocSubTask.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included with this distribution in
+ * the LICENSE.txt file.
+ */
+package org.apache.myrmidon.build;
+
+import com.sun.javadoc.ClassDoc;
+import java.io.File;
+import java.net.URL;
+import xdoclet.TemplateSubTask;
+import xdoclet.XDocletException;
+
+/**
+ * Generates the XML Documentation for Ant types (including tasks and DataTypes).
+ *
+ * @author <a href="mailto:peter@apache.org">Peter Donald</a>
+ * @version $Revision$ $Date$
+ */
+public class AntDocSubTask 
+    extends TemplateSubTask
+{
+    public final static String SUBTASK_NAME = "antdoc";
+
+    private static final String GENERATED_FILE_NAME = "{0}.xml";
+    private static final String DEFAULT_TEMPLATE_FILE = 
+        "/org/apache/myrmidon/build/type.j";
+
+    private File m_docsDestDir;
+
+    public AntDocSubTask()
+    {
+        setTemplateFile( new File( DEFAULT_TEMPLATE_FILE ) );
+        setDestinationFile( GENERATED_FILE_NAME );
+
+        final TemplateSubTask.ExtentTypes extent = new TemplateSubTask.ExtentTypes();
+        extent.setValue( "hierarchy" );
+        setExtent( extent );
+    }
+
+    /**
+     * Specifies the directory that is the destination of generated generated 
+     * xml documentation for types.
+     */
+    public void setDocsDestDir( final File docsDestDir )
+    {
+        m_docsDestDir = docsDestDir;
+    }
+
+    public String getSubTaskName()
+    {
+        return SUBTASK_NAME;
+    }
+
+    /**
+     * Called to validate configuration parameters.
+     */
+    public void validateOptions() 
+        throws XDocletException
+    {
+        super.validateOptions();
+
+        if( null == m_docsDestDir )
+        {
+            throw new XDocletException( "'docsDestDir' attribute is missing ." );
+        }
+    }
+
+    protected boolean matchesGenerationRules( final ClassDoc clazz )
+        throws XDocletException
+    {
+        if( !super.matchesGenerationRules( clazz ) )
+        {
+            return false;
+        }
+        else if( clazz.isAbstract() )
+        {
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+    }
+}
diff --git a/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntlibDescriptorTask.java b/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntlibDescriptorTask.java
index 117b65678..88f593764 100644
--- a/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntlibDescriptorTask.java
+++ b/proposal/myrmidon/src/make/org/apache/myrmidon/build/AntlibDescriptorTask.java
@@ -25,13 +25,14 @@ import xdoclet.TemplateSubTask;
 public class AntlibDescriptorTask
     extends DocletTask
 {
+    private static final String DESCRIPTOR_TEMPLATE = "/org/apache/myrmidon/build/ant-descriptor.j";
+    private static final String ROLES_TEMPLATE = "/org/apache/myrmidon/build/ant-roles.j";
+
+    private TemplateSubTask m_antDocs;
     private String m_libName;
     private String m_descriptorFileName;
     private String m_rolesFileName;
 
-    private static final String DESCRIPTOR_TEMPLATE = "/ant-descriptor.template";
-    private static final String ROLES_TEMPLATE = "/ant-roles.template";
-
     /**
      * Specifies the Antlib name, which is used to name the generated files.
      */
@@ -56,6 +57,11 @@ public class AntlibDescriptorTask
         m_rolesFileName = rolesFileName;
     }
 
+    public void addAntdoc( final AntDocSubTask antDocs )
+    {
+        m_antDocs = antDocs;
+    }
+
     public void execute() throws BuildException
     {
         // Add the base directories of all the filesets to the sourcepath
@@ -76,6 +82,11 @@ public class AntlibDescriptorTask
             makeTemplateSubTask( ROLES_TEMPLATE, getRolesFileName() );
         addTemplate( rolesTemplate );
 
+        if( null != m_antDocs )
+        {
+            addTemplate( m_antDocs );
+        }
+
         if( !upToDate() )
         {
             log( "Generating Antlib descriptors for: " + m_libName );