Leaf RSS Reader j / k key binding using KeyRemap4Macbook

private.xml

<?xml version="1.0"?>
<root>
    <appdef>
        <appname>Leaf</appname>
        <equal>com.rockysandstudio.Leaf</equal>
    </appdef>
    <item>
        <name>dm4</name>
        <item>
            <name>Leaf j/k key binding</name>
            <identifier>dm4.leaf.jk</identifier>
            <only>Leaf</only>
            <autogen>__KeyToKey__ KeyCode::K, KeyCode::CURSOR_UP</autogen>
            <autogen>__KeyToKey__ KeyCode::J, KeyCode::CURSOR_DOWN</autogen>
        </item>
    </item>
</root>