Where the number of <param/> tags and names of these tags are unknown
beforehand.
The usual thing to do in these circumstances is to have a single
parameter that takes an XMl document as value, that value can then code
an arbitrary list of information: you don't need an arbitrary list of
parameters to do that.
So, if your input document had
<message id="msgContant" lang="en">Please contact <param name="name"/>
for details</message>
and your stylesheet had
<xsl:stylesheet ...
<xsl:param name="x" select="/.."/>
...
<xsl:template match="param">
<xsl:value-of $x/x/y[(_at_)key=current()/@name]"/>
</xsl:template>
so then you just need to pass in a document as teh value of the
parameter x that has all the values you want to replace
ie a document that looks like
<x>
<y key="name">David</y>
<y key="..">..</y>
..
</x>
would cause
Please contact <param name="name"/>
to transfrom to
Please contact David
David
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