Re: What is exciting in XSLT 2.0 (Was: Re: para

On 6/8/05, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> > Yes, I know this, and use them quite a bit in my stylesheets.  I was
> > referring to the higher-order functions that Dmitre is
> > interested in.
> > The FXSL docs assume a fairly specific audience that is not me.
>
> Consider two important bits of functionality that are present in XSLT 2.0
> but not in XQuery 1.0: analyze-string and for-each-group. These needed
> custom syntax in XSLT 2.0: they couldn't be implemented as standard
> functions, because they are higher-order - they take functions (or
> instructions) as their arguments. It's difficult to define custom syntax in
> XQuery, which is why these facilities were omitted. But with higher-order
> functions, you can implement these facilities without any new syntax, and
> indeed I have done so for the benefit of XQuery users: see
>
>
http://www.saxonica.com/documentation/extensions/functions/analyze-string.ht
> ml
>
>
http://www.saxonica.com/documentation/extensions/functions/for-each-group.ht
> ml
>
> Michael Kay
> http://www.saxonica.com/


Excelent idea Mike!

As I have already implemented some XSLT instructions and even XPath
features (the f:xsltSort() and f:attributes() functions), I'll look
into the possibilities of defining functions based on
xsl:for-each-group and xsl:analyze-string


Cheers,
Dimitre Novatchev.