It's been a while since I bothered with this, but I think the pattern
goes something like:
<xsl:variable name="foo-rtf">
and
<xsl:variable name="foo">
<xsl:choose>
<xsl:when test="function-available(...)">
....
the problem is that that pattern makes $foo into an rtf again so you are
back where you started (or at least you are a line or two further on,
but you have to keep nesting with consequent doubling in code paths
everywhere you need to call the function.
I guess its good that people persist with client side XSLT (as one day
it might be worthwhile), but I reckon its just a hangover from the
original intentions of XML.
heretic.
David
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