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[xsl] That's a wrap!

2018-01-04 11:46:52
I should probably be posting this to Stack Overflow, where the XSLT questions 
are more basic, but anyways . . .

I have a JATS document with references, e.g.:

<ref id="r2"><label>2.</label><mixed-citation 
publication-type="journal"><string-name 
name-style="western"><surname>Selvarajah</surname> 
<given-names>S</given-names></string-name>, <string-name 
name-style="western"><surname>Hammond</surname> 
<given-names>ER</given-names></string-name>, <string-name 
name-style="western"><surname>Haider</surname> 
<given-names>AH</given-names></string-name>, <string-name 
name-style="western"><surname>Abularrage</surname> 
<given-names>CJ</given-names></string-name>, <string-name 
name-style="western"><surname>Becker</surname> 
<given-names>D</given-names></string-name>, <string-name 
name-style="western"><surname>Dhiman</surname> 
<given-names>N</given-names></string-name>, <etal>et al.</etal> 
<article-title>The burden of acute traumatic spinal cord injury among adults in 
the United States: an update.</article-title> <source>J Neurotrauma</source> 
<year>2014</year>;<volume>31</volume>(<issue>3</issue>):<fpage>228</fpage>-<lpage>38</lpage>.</mixed-ci!
 tation></ref>

I want to remove the <label> and wrap all the <string-name>, <collab>, and 
<etal> elements, and all the space and punctuation in between, in a single 
<person-group> wrapper, yielding:

<ref id="r2"><mixed-citation 
publication-type="journal"><person-group><string-name 
name-style="western"><surname>Selvarajah</surname> 
<given-names>S</given-names></string-name>, <string-name 
name-style="western"><surname>Hammond</surname> 
<given-names>ER</given-names></string-name>, <string-name 
name-style="western"><surname>Haider</surname> 
<given-names>AH</given-names></string-name>, <string-name 
name-style="western"><surname>Abularrage</surname> 
<given-names>CJ</given-names></string-name>, <string-name 
name-style="western"><surname>Becker</surname> 
<given-names>D</given-names></string-name>, <string-name 
name-style="western"><surname>Dhiman</surname> 
<given-names>N</given-names></string-name>, <etal>et al.</etal></person-group> 
<article-title>The burden of acute traumatic spinal cord injury among adults in 
the United States: an update.</article-title> <source>J Neurotrauma</source> 
<year>2014</year>;<volume>31</volume>(<issue>3</issue>):<fpage>228</fpage>-<lpage>38</lpage!
.</mixed-citation></ref> 

Using my "I've only gotten through 3 hours of the Udemy XSLT course" skills, I 
came up with the following, realizing that I would be losing the spaces and 
punctuation between elements (which I can live with at this point):

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
    xmlns:xs="http://www.w3.org/2001/XMLSchema";
    exclude-result-prefixes="xs"
    version="2.0">
    
    <!--identity template-->
    <xsl:template match="node()|@*">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*"/>
        </xsl:copy>
    </xsl:template>
    
    <xsl:template match="ref/label"/>
    
    <xsl:template match="mixed-citation">
        <xsl:copy>
         <person-group>
             <xsl:apply-templates select="string-name|collab|etal"/>
        </person-group>
        <xsl:apply-templates 
select="./node()[not(string-name|collab|etal)]"></xsl:apply-templates>
        </xsl:copy>
    </xsl:template>
   
</xsl:stylesheet>

(Saxon PE 9.7.0.15 in Oxygen)

But that gave me:

<ref id="r2"><mixed-citation><person-group><string-name 
name-style="western"><surname>Selvarajah</surname> 
<given-names>S</given-names></string-name><string-name 
name-style="western"><surname>Hammond</surname> 
<given-names>ER</given-names></string-name><string-name 
name-style="western"><surname>Haider</surname> 
<given-names>AH</given-names></string-name><string-name 
name-style="western"><surname>Abularrage</surname> 
<given-names>CJ</given-names></string-name><string-name 
name-style="western"><surname>Becker</surname> 
<given-names>D</given-names></string-name><string-name 
name-style="western"><surname>Dhiman</surname> 
<given-names>N</given-names></string-name><etal>et 
al.</etal></person-group><string-name 
name-style="western"><surname>Selvarajah</surname> 
<given-names>S</given-names></string-name>, <string-name 
name-style="western"><surname>Hammond</surname> 
<given-names>ER</given-names></string-name>, <string-name 
name-style="western"><surname>Haider</surname> <given-names>A!
 H</given-names></string-name>, <string-name 
name-style="western"><surname>Abularrage</surname> 
<given-names>CJ</given-names></string-name>, <string-name 
name-style="western"><surname>Becker</surname> 
<given-names>D</given-names></string-name>, <string-name 
name-style="western"><surname>Dhiman</surname> 
<given-names>N</given-names></string-name>, <etal>et al.</etal> 
<article-title>The burden of acute traumatic spinal cord injury among adults in 
the United States: an update.</article-title> <source>J Neurotrauma</source> 
<year>2014</year>;<volume>31</volume>(<issue>3</issue>):<fpage>228</fpage>-<lpage>38</lpage>.</mixed-citation></ref>

That is, all the stuff I want wrapped is wrapped, but it's also repeated. I 
don't understand why

        <xsl:apply-templates 
select="./node()[not(string-name|collab|etal)]"></xsl:apply-templates>

(and the many variations of the same I've tried) does not exclude those 
elements.

How do I exclude them? A bonus would be to know how to preserve the punctuation 
and spaces between the <string-name> (and <collab> and <etal>) elements. 

Thanks!
Charles

Charles O'Connor l Business Analyst (not a programmer)
Aries Systems Corporation l www.ariessys.com 
200 Sutton Street l North Andover, MA l 01845 l USA
Direct: 802-585-5655 Main: 978-975-7570 l Help Desk: 978-291-1966 | Fax: 
978-975-3811
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