Hi Niko,

> One might approximate the "required" attribute in XSLT 1.0 like so:
>
> <xsl:template name="etc">
>   <xsl:param name="i-am-required">
>     <xsl:message terminate="yes">
>       Parameter i-am-required not provided!
>     </xsl:message>
>   </xsl:param>
> </xsl:template>

You might. There's nothing in XSLT 1.0 that says that the default
value of a parameter must not be evaluated if a value is supplied for
that parameter, so it's a little risky, but I'm sure most processors
will do as expected.

Cheers,

Jeni

---
Jeni Tennison
http://www.jenitennison.com/


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