Re: back-referencing footnotes?

> BTW, xt doesn't seem to like keys(), or I'm doing it wrong.

the original xt didn't implement keys although I remember a project
starting up a while back to complete xt's support for xslt, but most xt
users have long since switched to saxon or xalan, I would guess.

If you have keys then it's just
<xsl:key name="h" match="*[@HREF]" use="@HREF"/>
...
<xsl:template match="FN">
<p>
<xsl:apply-templates select="key('h',@ID)"/>
<xsl:text> </xsl:text>
<xsl:apply-templates/>
</p>
</xsl:template>

If you have a DTD that declares the HREF attribute to be of type ID then
you can instead do


<xsl:template match="FN">
<p>
<xsl:apply-templates select="id(@ID)"/>
<xsl:text> </xsl:text>
<xsl:apply-templates/>
</p>
</xsl:template>

alternatively of course you can always replace a key or id function by
its equivalent if slower xpath

<xsl:template match="FN">
<p>
<xsl:apply-templates select="//FNR[@HREF=current()/@ID]"/>
<xsl:text> </xsl:text>
<xsl:apply-templates/>
</p>
</xsl:template>

David

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