diff --git a/DFDL/build.tests.log.txt b/DFDL/build.tests.log.txt
index d4648aa48c83d19d8bde6766b529bc5d992b8c56..6a8b0234e4d2acc53f19c4853d5be221c1a186a6 100644
--- a/DFDL/build.tests.log.txt
+++ b/DFDL/build.tests.log.txt
@@ -1,4 +1,32 @@
 ant -f /Users/terry/javaapis/robodata/DFDL tests
+daffodil.parse.examples.helloWorld:
+xmlvalidate well-formed original schema examples/helloWorld/src/main/resources/helloWorld.dfdl.xsd
+1 file(s) have been successfully validated.
+schemavalidate original schema examples/helloWorld/src/main/resources/helloWorld.dfdl.xsd
+... schemavalidate passed
+daffodil parse csv
+... (note that apache daffodil warnings about dfdl:encodingErrorPolicy can be ignored)
+[info] Time (compiling): 1293ms
+[info] Time (parsing): 67ms
+============================================
+parsed  result examples/helloWorld/helloWorld.parse.xml
+<?xml version="1.0" encoding="UTF-8"?>
+<tns:helloWorld xmlns:tns="http://example.com/dfdl/helloworld/">
+  <word>Hello</word>
+  <word>world!</word>
+</tns:helloWorld>
+============================================
+Check well-formed  result examples/helloWorld/helloWorld.parse.xml
+1 file(s) have been successfully validated.
+Check schema-valid result examples/helloWorld/helloWorld.parse.xml using original helloWorld.dfdl.xsd
+/Users/terry/javaapis/robodata/DFDL/examples/helloWorld/helloWorld.parse.xml:2:65: cvc-elt.1.a: Cannot find the declaration of element 'tns:helloWorld'.
+/Users/terry/javaapis/robodata/DFDL/examples/helloWorld/src/main/resources/helloWorld.dfdl.xsd:8:75: TargetNamespace.2: Expecting no namespace, but the schema document has a target namespace of 'http://example.com/dfdl/helloworld/'.
+/Users/terry/javaapis/robodata/DFDL/examples/helloWorld/src/main/resources/helloWorld.dfdl.xsd:8:75: TargetNamespace.2: Expecting no namespace, but the schema document has a target namespace of 'http://example.com/dfdl/helloworld/'.
+/Users/terry/javaapis/robodata/DFDL/examples/helloWorld/helloWorld.parse.xml is not a valid XML document
+TODO validation errors seem due to insufficient XML generation by Apache Daffodil
+Suggested namespace declaration additions:
+   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+   xsi:noNamespaceSchemaLocation="csv.dfdl.xsd"
 daffodil.parse.examples.csv:
 xmlvalidate well-formed original schema examples/csv/src/main/resources/com/tresys/csv/xsd/csv.dfdl.xsd
 1 file(s) have been successfully validated.
@@ -6,8 +34,8 @@ schemavalidate original schema examples/csv/src/main/resources/com/tresys/csv/xs
 ... schemavalidate passed
 daffodil parse csv
 ... (note that apache daffodil warnings about dfdl:encodingErrorPolicy can be ignored)
-[info] Time (compiling): 1458ms
-[info] Time (parsing): 101ms
+[info] Time (compiling): 1282ms
+[info] Time (parsing): 90ms
 ============================================
 original result examples/csv/src/test/resources/com/tresys/csv/infosets/simpleCSV.xml
 <?xml version="1.0" encoding="UTF-8"?>
@@ -103,8 +131,8 @@ schemavalidate original schema examples/pcap/src/main/resources/com/tresys/pcap/
 ... schemavalidate passed
 daffodil parse pcap
 ... (note that apache daffodil warnings about dfdl:encodingErrorPolicy can be ignored)
-[info] Time (compiling): 2790ms
-[info] Time (parsing): 250ms
+[info] Time (compiling): 2567ms
+[info] Time (parsing): 231ms
 ============================================
 original result examples/pcap/src/test/resources/com/tresys/pcap/infosets/dns.pcap.xml
 <pcap:PCAP xmlns:pcap="urn:pcap:2.4">
@@ -5248,4 +5276,4 @@ Suggested namespace declaration additions:
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="pcap.dfdl.xsd"
 tests:
-BUILD SUCCESSFUL (total time: 38 seconds)
+BUILD SUCCESSFUL (total time: 54 seconds)
diff --git a/DFDL/build.xml b/DFDL/build.xml
index 951833b2e28d3132fbdbaf910222c8ca4aa20723..a49d8b6ae869f5580f76bae98b8d06b868b77ad8 100644
--- a/DFDL/build.xml
+++ b/DFDL/build.xml
@@ -3,11 +3,58 @@
     <description>Builds, tests, and runs the project Robodata transformation usings Daffodil (DFDL)</description>
 
     <property environment="env"/>
+    <property name="examples.hello.world.dir" value="examples/helloWorld"/>
     <property name="examples.csv.dir" value="examples/csv"/>
     <property name="examples.pcap.dir" value="examples/pcap"/>
     
     <!-- Daffodil CLI commands at: https://daffodil.apache.org/cli/ -->
     
+    <!-- Basic example, low level -->
+    <target name="daffodil.parse.examples.helloWorld"  description="daffodil.apache.org hello world example">
+        <echo message="xmlvalidate well-formed original schema ${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd"/>
+        <xmlvalidate    file="${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd" failonerror="false" warn="true" lenient="true"/>
+        <!-- note that XSD schema validation using schemavalidate task requires special setup https://ant.apache.org/manual/Tasks/schemavalidate.html -->
+        <echo message="schemavalidate original schema ${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd"/>
+        <schemavalidate file="${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd" failonerror="true" warn="true" lenient="false" fullchecking="false">
+            <schema namespace="http://www.w3.org/2001/XMLSchema" file="lib/validation/XMLSchema.xsd"/>
+        </schemavalidate>
+        <echo message="... schemavalidate passed"/>
+        <echo message="daffodil parse csv"/>
+        <echo message="... (note that apache daffodil warnings about dfdl:encodingErrorPolicy can be ignored)"/>
+        <exec executable="bin/daffodil" dir="." vmlauncher="false">
+            <arg value="--verbose"/>
+            <arg value="parse"/>
+            <!-- Daffodil tunables to suppress warnings about dfdl:encodingErrorPolicy -->
+            <arg line="-T suppressSchemaDefinitionWarnings=encodingErrorPolicyError"/>
+            <arg value="--schema"/>
+            <arg value="${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd"/>
+            <arg value="--output"/>
+            <arg value="${examples.hello.world.dir}/helloWorld.parse.xml"/>
+            <arg value="--validate"/>
+            <arg value="on"/>
+            <arg value="${examples.hello.world.dir}/src/main/resources/helloWorld.dat"/>
+        </exec>
+        <echo message="============================================"/>
+        <echo message="parsed  result ${examples.hello.world.dir}/helloWorld.parse.xml"/>
+        <concat description="show file for build log">
+            <filelist dir="${examples.hello.world.dir}" files="helloWorld.parse.xml"/>
+        </concat>
+        <echo message="============================================"/>
+        <echo message="Check well-formed  result ${examples.hello.world.dir}/helloWorld.parse.xml"/>
+        <xmlvalidate    file="${examples.hello.world.dir}/helloWorld.parse.xml" failonerror="false" warn="true" lenient="true"/>
+        <!-- note that XSD schema validation using schemavalidate task requires special setup https://ant.apache.org/manual/Tasks/schemavalidate.html -->
+        <echo message="Check schema-valid result ${examples.hello.world.dir}/helloWorld.parse.xml using original helloWorld.dfdl.xsd"/>
+        <!-- note failonerror="false" in order to reach follow-on TODO -->
+        <!-- TODO: Do we need the attrib noNamespaceFile? (tdn) -->
+        <schemavalidate file="${examples.hello.world.dir}/helloWorld.parse.xml" failonerror="false" warn="true" lenient="false"
+                        disableDTD="true" fullchecking="true" noNamespaceFile="${examples.hello.world.dir}/src/main/resources/helloWorld.dfdl.xsd"/>
+        <echo message="TODO validation errors seem due to insufficient XML generation by Apache Daffodil"/>
+        <echo message="Suggested namespace declaration additions:"/>
+        <echo message='   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'/>
+        <echo message='   xsi:noNamespaceSchemaLocation="csv.dfdl.xsd"'/>
+    </target>
+    
+    <!-- Medium example, intermediate level -->
     <target name="daffodil.parse.examples.csv"  description="daffodil.apache.org csv example">
         <echo message="xmlvalidate well-formed original schema ${examples.csv.dir}/src/main/resources/com/tresys/csv/xsd/csv.dfdl.xsd"/>
         <xmlvalidate    file="${examples.csv.dir}/src/main/resources/com/tresys/csv/xsd/csv.dfdl.xsd" failonerror="false" warn="true" lenient="true"/>
@@ -57,6 +104,7 @@
         <echo message='   xsi:noNamespaceSchemaLocation="csv.dfdl.xsd"'/>
     </target>
     
+    <!-- Advanced example, high level -->
     <target name="daffodil.parse.examples.pcap"  description="daffodil.apache.org pcap example">
         <echo message="xmlvalidate well-formed original schema ${examples.pcap.dir}/src/main/resources/com/tresys/pcap/xsd/pcap.dfdl.xsd"/>
         <xmlvalidate    file="${examples.pcap.dir}/src/main/resources/com/tresys/pcap/xsd/pcap.dfdl.xsd" failonerror="false" warn="true" lenient="true"/>
@@ -108,7 +156,7 @@
     
     <!-- Add test targets to the "depends" attrib test.csv,test.pcap -->
     <target name="tests"
-         depends="daffodil.parse.examples.csv,daffodil.parse.examples.pcap"
+         depends="daffodil.parse.examples.helloWorld,daffodil.parse.examples.csv,daffodil.parse.examples.pcap"
      description="Tests for various input/output formats"/>
     
     <target name="view.apache.daffodil" description="view apache daffodil online site in web browser (Netbeans only)">
diff --git a/DFDL/examples/helloWorld/build.xml b/DFDL/examples/helloWorld/build.xml
index d7d7f8e365c780b55b8ea6e4217e7b9243fb67f2..4d240c2443f817d9adc41d1490f250ab1ad90031 100644
--- a/DFDL/examples/helloWorld/build.xml
+++ b/DFDL/examples/helloWorld/build.xml
@@ -70,4 +70,9 @@
     nbproject/build-impl.xml file. 
 
     -->
+    
+    <target name="-post-clean">
+        <delete file="helloWorld.parse.xml"/>
+    </target>
+    
 </project>