sxpath - or and not filters

I'm trying to get the equivalent to the XPath "*|text()", in other words, I want to select just the text and element children of a node, not attributes.  For this reason, *any* is too broad.  For now, I can do sxml:content on the result of an sxpath, but I wonder if there's a more compact way to do this selection: 
  
(sxml:content (car ((sxpath '(atom:content) atom-ns) entry))) 
  
It looks like sxpath defines or@ and not@ operators, but I can't figure out how to use them and can't find an example, and my guesses haven't worked.  Would these be the way to go, or is there a better way to do this?  Can someone provide an example of how these operators work? 


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