> > or simpler,
> > 
> > <xsl:function name="num:roman" as="xs:string">
> >   <xsl:param name="value" as="xs:integer"/>
> >   <xsl:number value="$value" format="I."/>
> > </xsl:function>
> > 
> > <xsl:variable name="strRoman" as="xs:string*"
> >   select="for $i in (1 to 19) return
> > num:roman($i)"/>
> 
> i used the former instead of the later, i'm having an
> error on the for statement in select (not a valid
> XPATH 2.0 expression).

Did you declare the "num" namespace prefix? If you did, then this is a valid
XPath 2.0 expression.

Michael Kay
http://www.saxonica.com/