Re: [xsl] Processing an element only if there are no better options

[David Carlisle <davidc@xxxxxxxxx>]

  i.e. If there is a Type1 product, then don't output Type2 or Type3.
   However, if there is no Type1, then output Type2, but not Type3 if it's
  present.


<xsl:copy-of
select="ProductGroup[Product/@Type='Type1']/Product[@Type='Type1'] |
        ProductGroup[not(Product/@Type='Type1')][Product/@Type='Type2']/Product[@Type='Type2'] |
        ProductGroup[not(Product/@Type='Type1')][not(Product/@Type='Type2')]/Product[@Type='Type3']
"/>

David

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