2.12.2.2.1.  Example

build.xml

<?xml version="1.0"?>

<project basedir="." name="myapp" default="main">

<taskdef classpath="orangevolt-ant-tasks-1.3.2.jar" resource="com/orangevolt/tools/ant/taskdefs.properties"/>

<target name="main">

<!--

deletes the "bounds" and "history" entry of

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Orangevolt\xmlwrite

-->

<win32.registry root="HKEY_LOCAL_MACHINE"

key="SOFTWARE\Microsoft\Windows\CurrentVersion\Orangevolt">

<delete subkey="xmlwrite" entry="bounds"/>

<delete subkey="xmlwrite" entry="history"/>

</win32.registry>

...

<!--

deletes the "xmlwrite" and "xpathspy" subtree of

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Orangevolt

-->

<win32.registry root="HKEY_LOCAL_MACHINE"

key="SOFTWARE\Microsoft\Windows\CurrentVersion\Orangevolt">

<delete subkey="xmlwrite"/>

<delete subkey="xpathspy"/>

</win32.registry>

...

<!--

deletes the whole "Orangevolt" subtree of

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion

-->

<win32.registry root="HKEY_LOCAL_MACHINE"

key="SOFTWARE\Microsoft\Windows\CurrentVersion\Orangevolt">

<delete/>

</win32.registry>

</target>

</project>