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Re: [xsl] Re: [xslt transform & grouping] Using the Muenchian Method?

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[going back on list]
> As I said, I am unable to use

as posted I get:

$ saxon filter.xml filter.xsl

Error at xsl:for-each on line 17 of file:/c:/tmp/filter.xsl:
  Key 'by-info' has not been defined
Transformation failed: Run-time errors were reported

taking

    <xsl:key name="by-info" match="Article" use="@info"/>

from an earlier post and adding it after xsl:stylesheet, I get:

$ saxon filter.xml filter.xsl
<?xml version="1.0" encoding="utf-8"?>






<Documents>
   <Document name="sub">
      <Article title="1.1" info="sub" filter="food"/>
   </Document>
   <Document name="main">
      <Article title="2.2" info="main" filter="food"/>
   </Document>
</Documents>



That is, apart from droping your key definintion, the code you posted
works as expected. So if you really get 

"Exception Details: System.NullReferenceException: Object reference not set 
to an instance of an object." in myXslTrans.Transform(myXPathDoc, null, 
writer, null);

looks like a bug in your processor (Microsoft .net implementation?)

David

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