Re: Boolean Short Curcuit

As Michael just said ypu can't rely on order of evaluation of and.
Also it's probably more natural to invert the pattern and write it as
a//b rather than b[ancestor::a] (even though they mean teh same thing)

It's probably just easiest to allow your function to return an empty
sequence by adding the * as below.

David

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0" xmlns:page="p"

xmlns:xs="http://www.w3.org/2001/XMLSchema"
>


<xsl:function name="page:field" as="element()*">
  <xsl:param name="name" as="xs:string"/>
  <xsl:sequence select="document('')/form/field[name = $name][1]"/>
</xsl:function>


<xsl:template
    match="page:error[@name]//page:message[
        page:field(ancestor::page:error/@name)/error]"
    >
<page:message><xsl:value-of
    select="page:field(ancestor::page:error/@name)/error"/></page:message>
</xsl:template>

</xsl:stylesheet>

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