set a property with an empty content

If a property is set with an empty content as shown below,
is it allowed?  If yes, is it equivalent to "remove"?

Thx,

-Stanley


<?xml version="1.0" encoding="UTF-8"?> 
<D:propertyupdate xmlns:D="DAV:"> 
    <D:set> 
        <D:prop xml:lang="en">
            <D:PropertyA/> 
        </D:prop> 
    </D:set> 
</D:propertyupdate> 

Received on Monday, 12 April 2004 19:44:15 UTC