Wendell,
Thanks for the solution. The key concept that I learned was how to
select and output the preceding and following siblings of
<Annotation>.
I omitted a key bit of information in my example: <Root> should have
been named <Parent>, since the parent element of Annotation is not the
document root element:
<Root>
<Junk>junk</Junk>
<Parent>
<Stuff>stuff</Stuff>
<Annotation>
<Comment Priority="1">my first comment</Comment>
</Annotation>
<Annotation>
<Comment Priority="3">my third comment</Comment>
</Annotation>
<Annotation>
<Comment Priority="2">my second comment</Comment>
</Annotation>
<Bother>bother</Bother>
</Parent>
</Root>
As a consequence, I didn't to use this template to produce output when
there is no Annotation:
<xsl:template match="/*[not(Annotation)]" priority="2">
<xsl:apply-templates/>
</xsl:template>
Instead, I put a test for <Annotation> into the template - which might
not be the most elegant solution, but it works:
<xsl:template select="Parent">
<xsl:choose>
<xsl:when test="Annotation">
<xsl:apply-templates
select="Annotation[1]/preceding-sibling::*"/>
<xsl:apply-templates select="Annotation">
<xsl:sort select="*/@Priority"/>
</xsl:apply-templates>
<xsl:apply-templates
select="Annotation[last()]/following-sibling::*"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="*"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
Thanks again for your help!
--
Philip
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