Re: [xsl] Got an XSLT function that does value intersection (not identit

Am 08.07.2021 um 15:19 schrieb Roger L Costello costello(_at_)mitre(_dot_)org:
> Hi Folks,
>
> I have an XML document that consists of <row> elements:
>
> <Document>
>      <row>
>          <x>1</x>
>         <y>2</y>
>      </row>
>      <row>
>          <x>3</x>
>         <y>4</y>
>      </row>
>      <row>
>          <x>1</x>
>         <y>2</y>
>      </row>
> </Document>
>
> I want to eliminate duplicate rows.
The usual way in XSLT 3, if you know the content of a row is x and y or
even a simple sequence of text only children is composite grouping and
taking the first item in each group e.g.


<xsl:template match="Document">

  <xsl:copy>

    <xsl:for-each-group select="row" composite="yes" group-by="*">

       <xsl:sequence select="."/>

   </xsl:for-each-group>

</xsl:template>
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