diff --git a/build.xml b/build.xml
index fba3d130e..fb8298390 100644
--- a/build.xml
+++ b/build.xml
@@ -16,7 +16,7 @@ limitations under the License.
 <project name="Lang" default="compile" basedir=".">
     <!--
         "Lang" component of the Jakarta Commons Subproject
-        $Id: build.xml,v 1.31 2004/10/21 00:21:39 ggregory Exp $
+        $Id: build.xml,v 1.32 2004/10/21 00:36:37 ggregory Exp $
     -->
     <!-- ========== Initialize Properties ===================================== -->
     <property file="${user.home}/${component.name}.build.properties"/>
@@ -101,7 +101,8 @@ limitations under the License.
 	        	 windowtitle="${component.title} (Version ${component.version})"
 	        	 bottom="Copyright &amp;copy; 2001-2003 - Apache Software Foundation"
 	        	 use="true"
-	        	 link="${jdk.javadoc}">
+	        	 link="${jdk.javadoc}"
+                 source="${compile.source}">
             <classpath refid="compile.classpath"/>
         </javadoc>
     </target>
diff --git a/project.properties b/project.properties
index 199735ba2..2cd89164f 100644
--- a/project.properties
+++ b/project.properties
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-# $Id: project.properties,v 1.12 2004/06/27 18:22:09 bayard Exp $
+# $Id: project.properties,v 1.13 2004/10/21 00:36:37 ggregory Exp $
 
 maven.checkstyle.properties=checkstyle.xml
 maven.junit.fork=true
@@ -27,7 +27,20 @@ maven.xdoc.poweredby.image=maven-feather.png
 
 # The Sun Javadoc for versions prior to 1.3 are off-line.
 maven.javadoc.links=http://java.sun.com/j2se/1.3/docs/api/
+maven.javadoc.source=1.3
 
 # This links to the current stable version. We could have LANG_CURRENT, but this 
 # is simpler to manage at the moment.
 maven.jdiff.old.tag=LANG_2_0
+
+# Generate class files for specific VM version (e.g., 1.1 or 1.2). 
+# Note that the default value depends on the JVM that is running Ant. 
+# In particular, if you use JDK 1.4+ the generated classes will not be usable
+# for a 1.1 Java VM unless you explicitly set this attribute to the value 1.1 
+# (which is the default value for JDK 1.1 to 1.3).
+maven.compile.target = 1.1
+
+# Specifies the source version for the Java compiler.
+# Corresponds to the source attribute for the ant javac task. 
+# Valid values are 1.3, 1.4, 1.5. 
+maven.compile.source = 1.3
\ No newline at end of file