得到 House 中的所有房間（直接孩子名為 Room）

XML

 placeholderCopy<House>
    <numRooms>4</numRooms>
    <Room name="living"/>
    <Room name="master bedroom"/>
    <Room name="kids' bedroom"/>
    <Room name="kitchen"/>
</House>

XPATH

 placeholderCopy/House/child::Room

要麼

 placeholderCopy/House/*[local-name()='Room']

OUTPUT

 placeholderCopy<Room name="living" />
<Room name="master bedroom" />
<Room name="kids' bedroom" />
<Room name="kitchen" />