Subject: Re: [xsl] Saxon error: "If none of the conditions is satisfied, an empty sequence..." From: Michael Kay <mike@xxxxxxxxxxxx> Date: Tue, 24 May 2011 00:12:54 +0100 |
Hello,
When attempting to compile a stylesheet containing the following variable definition:
<xsl:variablename="seq_position"as="xs:integer*">
<xsl:choose>
<xsl:whentest="name() eq 'step1'">
<xsl:sequenceselect="count(preceding-sibling::step1) + 1"/>
</xsl:when>
<xsl:whentest="name() eq 'step2'">
<xsl:sequenceselect="count(preceding-sibling::step2) + 1"/>
</xsl:when>
<xsl:whentest="name() eq 'step3'">
<xsl:sequenceselect="count(preceding-sibling::step3) + 1"/>
</xsl:when>
<xsl:otherwise>
<xsl:sequenceselect="99+1"/><!--trying to placate saxon->
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
I get the error:
"XTTE0570: Conditional expession: If none of the conditions is satisfied, an
empty sequence
will be returned, but this is not allowed as the value of variable
$seq_position"
I haven't the foggiest idea why this would be. Any help would be most greatly
appreciated.
Michael Kay Saxonica
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