missing output in XSLT 2.0

Missing output in XSLT 2.0.


output of XMLSpy 2004  (XSLT 1.0 processor)

<?xml version="1.0" encoding="UTF-8"?>
<semantic-domains>
        <example-group>
                <example>'act of God'</example>
                <number>4.4.2.4</number>
        </example-group>
        <example-group>
                <example>'morning</example>
                <number>8.4.1.2</number>
        </example-group>
        <example-group>
                <example>'wing'</example>
                <number>2.2.3.2</number>
        </example-group>
        <example-group>
                <example>-'s</example>
                <number>8.1.6.1</number>
        </example-group>
...

output of Saxon 8.3 XSLT 2.0 processor

<?xml version="1.0" encoding="UTF-8"?>
<semantic-domains/>

XSLT:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="
http://www.w3.org/1999/XSL/Transform">
        <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="
yes"/>
        <xsl:template match="semantic-domains">
                <semantic-domains>
                        <xsl:for-each select="
descendant::example[@lang='en']">
                                <xsl:sort select="." data-type="text" 
order="ascending"/>
                                <example-group>
                                        <example>
                                                <xsl:value-of select="."/>
                                        </example>
                                        <number>
                                                <xsl:value-of select="
preceding::number[1]"/>
                                        </number>
                                </example-group>
                        </xsl:for-each>
                </semantic-domains>
        </xsl:template>
</xsl:stylesheet>

I have found that changing
                        <xsl:for-each select="
descendant::example[@lang='en']">
to
                        <xsl:for-each select="descendant::example">
allows for there to be some output.
In XMLSpy using the evaluate XPath, I get the same selections in 1.0 and 
2.0 Beta.
input
<?xml version="1.0" encoding="UTF-8"?>
<semantic-domains>
        <domain>
                <number id="x-1">1</number>
                <name lang="en">The physical universe</name>
                <cross-reference type="parent" ref="x-0"/>
                <cross-reference type="child" ref="x-1.1">Sky</
cross-reference>
                <cross-reference type="child" ref="x-1.2">World</
cross-reference>
                <cross-reference type="child" ref="x-1.3">Water</
cross-reference>
                <cross-reference type="child" ref="x-1.4">Living things</
cross-reference>
                <cross-reference type="child" ref="x-1.5">Plant</
cross-reference>
                <cross-reference type="child" ref="x-1.6">Animal</
cross-reference>
                <cross-reference type="child" ref="x-1.7">Nature, 
environment</cross-reference>
                <description lang="en">Use this domain for general words 
referring to the physical universe. Some languages may not have a single 
word for the universe and may have to use a phrase such as 'rain, soil, 
and things of the sky' or 'sky, land, and water' or a descriptive phrase 
such as 'everything you can see' or 'everything that exists'.</description
>
                <question-group>
                        <question lang="en">What words refer to everything 
we can see?</question>
                        <example-group>
                                <example lang="en">universe</example>
                                <example lang="en">heaven and earth</
example>
                                <example lang="en">(all) creation</example
>
                                <example lang="en">cosmos</example>
                                <example lang="en">macrocosm</example>
                                <example lang="en">everything that exists
</example>
                        </example-group>
                        <exampleSentence lang="en">In the beginning God 
created <examplar>the heavens and the earth</examplar>.</exampleSentence>
                </question-group>
                <question-group>
                        <question lang="en">What words describe something 
that happens in nature?</question>
                        <example-group>
                                <example lang="en">natural phenomenon</
example>
                        </example-group>
                </question-group>
                <question-group>
                        <question lang="en">What words refer to the study 
of the physical universe?</question>
                        <example-group>
                                <example lang="en">science</example>
                                <example lang="en">natural science</
example>
                                <example lang="en">physical science</
example>
                                <example lang="en">physics</example>
                                <example lang="en">astronomy</example>
                                <example lang="en">chemistry</example>
                                <example lang="en">biology</example>
                                <example lang="en">ecology</example>
                        </example-group>
                </question-group>
        </domain>
....

Jim Albright
704 843-0582
Wycliffe Bible Translators