On Thu, Oct 14, 2010 at 6:04 PM, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> Saxon will attempt to bind functions at compile time, and gives a
> compile-time error message if they can't be found. If you want to get in
> first, put the function-available test in a use-when attribute on an element
> containing the relevant extension function call.

Thanks for this tip of how to implement element-available() and
function-available() in a useful way.

I have done accordingly, and uploaded a new version of
http://www.xmlplease.com/identity-template.xsl

Cheers,
Jesper Tverskov

http://www.xmlplease.com
http://www.xmlkurser.dk
http://www.xmltraining.net