In article <jijl34-ipc.ln1@[...].us> , I recommended:
> In article <1164440504.571107.104710@[...].com>,
> comp.lang.tcl <phillip.s.powell@[...].com> wrote:
> 			.
> 			.
> 			.
> >> What exactly are you attempting to do?
> >
> >It's so easy.  All I want to do is convert an XML file into a TCL list,
> >that's it, just a TCL list:
> >
> >attr1 {val1} attr2 {val2}
> 			.
> 			.
> 			.
> Should we recommend a SAX or XQuery approach for this?
> A SAX accumulator used to be canonical for something
> this simple; I haven't worked with Rolf's XPath, but I
> suspect it affords a one-liner that satisfies the
> requirements.

Oh, my; I *do* perceive deficiencies in TclXML documentation.

I know that TclXML has had XPath since 2001.  In particular, by 2004,
Steve wrote about selectNodes in 3.0 <URL:
http://talkaboutprogramming.com/group/comp.lang.tcl/messages/253140.html > .
When I run

  puts [package require dom]

  set xml_image {<?xml version = "1.0" encoding = "UTF-8" ?> 
  <via id="1" trivia_id="255" question="How much wood would a
     woodchuck chuck?" answer_id="1" answer="A lot"
     expDate="116494926"> </via>
  }

  set doc [dom::parse $xml_image]
  set nodes [$doc selectNodes //via]

on a recent Mac OS, though, I see 

  3.1 
  bad method "selectNodes": must be cget, configure, createElement,
      createDocumentFragment, createTextNode, createComment,
      createCDATASection, createProcessingInstruction, createAttribute,
      createEntity, createEntityReference, createDocTypeDecl, importNode,
      createElementNS, createAttributeNS, getElementsByTagNameNS,
      getElementsById, createEvent, getElementsByTagName, dtd, or schema

So:  what's it take to get TclXML to do XPath?

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