> I am using XSLT 1.0 with Xalan parser. I need to
> process more than 100 siblings.. Calling of
> following-sibling invoked from the recursive search
> template. 
> 

Try Saxon. It can usually handle recursion to a depth of 500 or so.
Obviously it depends on the details of what the recursive template is doing.

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