[xsl] re: recursive looping and variable scope

I'm afraid I provided the wrong xsl when I first asked this question.  Stress 
makes me careless.  I apologize for that.

The code I meant to show is below
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
xmlns:xs="http://www.w3.org/2001/XMLSchema"; 
xmlns:fn="http://www.w3.org/2005/xpath-functions";>
        <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
        <xsl:include href="link1.xsl"/>
        <xsl:include href="link2.xsl"/>
        <xsl:include href="link3.xsl"/>
        <xsl:template match="/">
        <xsl:call-template name="Chain"/>
        </xsl:template>
        <xsl:template name="Chain">
                <xsl:variable name="link1">
                        <xsl:call-template name="getSchedule"/>
                </xsl:variable>
                <xsl:variable name="link2">
                        <xsl:apply-templates mode="link2" 
select="$link1/jobs/job"/>
                </xsl:variable>
                <xsl:variable name="link3">
                        <xsl:apply-templates mode="link3" 
select="$link2/policies"/>
                </xsl:variable>
                <xsl:variable name="filename">policy_<xsl:value-of 
select="$link1/jobs/job/@jobid"/><xsl:text>.xml</xsl:text></xsl:variable>
                <xsl:result-document href="{$filename}">
                                <xsl:copy-of select="$link3/node()"/>
                </xsl:result-document>
                <xsl:call-template name="Chain"/>
        </xsl:template>
        <xsl:template match="node()"/>
</xsl:stylesheet>

As I mentioned earlier, I'm getting an error indicating that I can't write 
multiple files to the same URI.  I'm using Saxon and have all my document() 
calls wrapped in saxon:discard-document.
$filename doesn't appear to be resetting it's value when I loop.  I'm not sure 
why.
Another question, is it generally a good idea to loop like this in Saxon?  I 
assume Saxon will release its resources when they go out of scope - especially 
with the saxon:discard-document function, but this loop is designed to run an 
indeterminate period of time - theoretically forever.

Again, I appreciate the help you've all offered in helping a guy get up to 
speed on Saxon and XSLT2.  
Hopefully, I can, one day, return the favor by helping someone else out.

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