My ANT script gives output for every section except the <delete>.  It also doesn't really delete the desired directories.  I can't figure this out! >:-[

<?xml version="1.0"?>

<project name="loginExample" default="all" basedir=".">

   <!-- ***************************************************************** -->
   <!-- INITIALIZATION AND CLEANUP                                        -->
   <!-- ***************************************************************** -->


   <!-- Initialization needed for any target -->

   <target name="init">
      <property name="name" value="loginExample" />
      <property name="src.dir" value="src" />
      <property name="lib.dir" value="lib" />
      <property name="etc.dir" value="etc" />
      <property name="build.dir" value="build" />
      <property name="orion.dir" value="C:/orion" />
      <property name="build.compiler" value="modern" />
   </target>


   <!-- Removes all generated files and directories -->

   <target name="clean" depends="init">
      <del dir="${lib.dir}" />
      <del dir="${build.dir}" />
   </target>


   <!-- Prepares any other build target by creating the expected directory
        structure. -->

   <target name="prepare" depends="init">
      <mkdir dir="${lib.dir}" />
      <mkdir dir="${lib.dir}/ejb" />
      <mkdir dir="${lib.dir}/ejb/META-INF" />
      <mkdir dir="${lib.dir}/web" />
      <mkdir dir="${lib.dir}/web/WEB-INF" />
      <mkdir dir="${lib.dir}/web/WEB-INF/classes" />
      <mkdir dir="${lib.dir}/j2ee" />
      <mkdir dir="${lib.dir}/META-INF" />
      <mkdir dir="${build.dir}" />
   </target>

bla, bla, bla, bla,
</project>