EmptyStackException from Saxon 7.9.1

Hi Michael

I was trying to produce a sinple repro for the multi-namespaces but
hit:

        [java] java.util.EmptyStackException
        [java]  at java.util.Stack.peek(Stack.java:79)
        [java]  at java.util.Stack.pop(Stack.java:61)
        [java]  at
net.sf.saxon.event.XMLEmitter.endElement(XMLEmitter.java:402)
        [java]  at
net.sf.saxon.event.UncommittedEmitter.endElement(UncommittedEmitter.java:179
)
        [java]  at
net.sf.saxon.event.ProxyReceiver.endElement(ProxyReceiver.java:161)
        [java]  at
net.sf.saxon.event.NamespaceReducer.endElement(NamespaceReducer.java:184)
        [java]  at
net.sf.saxon.event.ComplexContentOutputter.endElement(ComplexContentOutputte
r.java:325)
        [java]  at
net.sf.saxon.instruct.ElementCreator.processLeavingTail(ElementCreator.java:
186)
        [java]  at
net.sf.saxon.instruct.Instruction.processChildrenLeavingTail(Instruction.jav
a:269)
        [java]  at
net.sf.saxon.instruct.Sequence.processLeavingTail(Sequence.java:147)
        [java]  at net.sf.saxon.instruct.Template.expand(Template.java:105)
        [java]  at
net.sf.saxon.instruct.Template.processLeavingTail(Template.java:74)
        [java]  at
net.sf.saxon.Controller.applyTemplates(Controller.java:302)
        [java]  at net.sf.saxon.Controller.run(Controller.java:187)
        [java]  at
net.sf.saxon.Controller.transformDocument(Controller.java:1536)
        [java]  at net.sf.saxon.Controller.transform(Controller.java:1342)
        [java]  at net.sf.saxon.Transform.processFile(Transform.java:731)
        [java]  at net.sf.saxon.Transform.doMain(Transform.java:435)
        [java]  at net.sf.saxon.Transform.main(Transform.java:67)
        [java] Fatal error during transformation: null
        [java] Java Result: 2

from:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Generated by NiceXSL 2.0.4 at Fri Apr 23 15:11:09 BST 2004 -->
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0">
    <xsl:template match="/">
        <root>
            <xsl:variable name="a-doc">
                <a-root/>
            </xsl:variable>
            <xsl:copy-of select="$a-doc"/>
            <xsl:apply-templates select="$a-doc" mode="test"/>
        </root>
    </xsl:template>
    <xsl:template match="/ | node()" mode="test">
        <xsl:copy/>
    </xsl:template>
</xsl:stylesheet>

        Regards
                        
                Ed Willink

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E.D.Willink,                             Email: 
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