<?xml version="1.0"?>
<config>
    <all hostname="all" name="thisname">
        <db>
            <host value="127.0.0.1"/>
            <user value="username"/>
            <pass value="password"/>
            <name value="live"/>
        </db>
        <one>
            <two>
                <three value="multi"/>
            </two>
        </one>
    </all>

    <staging extends="all" hostname="staging" debug="false">
        <db>
            <name value="dbstaging"/>
        </db>
    </staging>

    <other_staging extends="staging" only_in="otherStaging">
        <db>
            <pass value="anotherpwd"/>
        </db>
    </other_staging>

    <extendserror extends="nonexistent">
    </extendserror>
</config>