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Re: Re: Unexpected ('a', 'b')[fn:position()] result

Subject: Re: Re: Unexpected ('a', 'b')[fn:position()] result
From: "Rachel D. Basse" <honestrosewater@xxxxxxxxx>
Date: Wed, 7 Mar 2007 02:34:00 -0500
Re: Re:  Unexpected ('a'
>The function position() (you don't need to put "fn:" in front of it) >returns the position of the context node. The context changes within >the XPath expression to each node it is evaluating.

Haha, right, the context item changes when evaluating the sequence. Super. :P Thanks! 

Tworks:

<!-- ...setting some params for error checking and complaining. -->
<wt:param name="missingParamNames">
 <wt:for-each select="
  if ($do = ('change', 'remove')) then
    $fileName
  else if ($do = 'add') then
    ($fileName, $title, $type, $smellsLike)
  else
    ()
 ">
  <!-- ================== Yay! ==================== -->
  <wt:variable name="position" select="wf:position()"/>
  <wt:sequence select="
   if (. = '') then
     $necessaryParamNames[$position]
   else
     ()
  "/>
 </wt:for-each>
</wt:param>


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