Maybe even more portable than you might at first imagine. I think I
could even support those in Gestalt without much effort - emulating
the java URI scheme for a few well-known-and-wanted routines.

2008/10/30 Michael Kay <mike@xxxxxxxxxxxx>:
>
> My impression from reading it was that many simple calls would be directly
> portable, for example
>
> <xsl:value-of select="math:sin($x)" xmlns:math="java:java.lang.Math"/>
>
> Michael Kay
> http://www.saxonica.com/
>
>> -----Original Message-----
>> From: Florent Georges [mailto:lists@xxxxxxxxxxxx]
>> Sent: 30 October 2008 12:30
>> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
>> Subject: Re:  Extensions in AltovaXML
>>
>> Michael Kay wrote:
>>
>> > Nice to see also that they have followed conventions which are very
>> > close to those used by Saxon, meaning that it should be
>> possible (as
>> > far as I can see from a quick reading) to write stylesheets
>> that use
>> > Java or .NET extensions and work with both products.
>>
>>   Unless one has to use product-specific implementation of
>> the extension (which is likely to be the case.)  Because that
>> mechanism involves using the qualified class name directly in
>> the stylesheet, without any kind of indirection.
>>
>>   (well, I speak for Java at least)
>>
>>   Regards,
>>
>> --
>> Florent Georges
>> http://www.fgeorges.org/