Ihe Onwuka wrote:
<xsl:variable name="formats" as="element()+">
<lookup:format from="eps" to="image"/>
<lookup:format from="gif" to="image"/>
<lookup:format from="jpg" to="image"/>
</xsl:variable>
Assuming the above is correctly typed and I have the following key declaration
<xsl:key name="formats" match="lookup:*/@to" use="../@from"/>
Then the following invocation fais
key('formats',xfile/@format,$
formats)
with the error
A sequence of more than one item is not allowed as the third argument
of key().......
But if I untype the $format variable (remove the as attribute from the
$format variable), it works.
Experienced this on Saxon 9.1.0,7 and 9.3.0.5.
You could use
as="document-node()"
if you want to use an "as" attribute to type annotate the variable.
I don't think keys work with sequences, you need a root node.
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