diff -up ./resolver.xml.sav ./resolver.xml
--- ./resolver.xml.sav	2008-09-05 16:06:29.000000000 -0400
+++ ./resolver.xml	2008-09-05 16:08:16.000000000 -0400
@@ -83,7 +83,7 @@ Also, you may need to adjust src/documen
 
    <echo message="Compiling..." />
 
-   <javac srcdir="${src.dir}" destdir="${build.classes.dir}">
+   <javac srcdir="${src.dir}" destdir="${build.classes.dir}" source="1.4">
      <!-- <classpath> not needed since Ant already supplies these Sep-03 -sc -->
      <include name="${resolver.subdir}/*.java"/>
      <include name="${resolver.subdir}/helpers/*.java"/>
@@ -143,7 +143,8 @@ Also, you may need to adjust src/documen
                    use="true"
 		   windowtitle="${name.resolver} API"
 		   doctitle="${name.resolver}"
-		   bottom="${copyright.message}">
+		   bottom="${copyright.message}"
+           source="1.4">
             <package name="org.apache.xml.resolver"/>
             <package name="org.apache.xml.resolver.helpers"/>
             <package name="org.apache.xml.resolver.readers"/>