String Manipulation in XSL

Hi,

I was wondering if anyone had a solution for this problem.  I get an element
through which has a string which can be variable length.  It could be 20
characters long, 40, 60, upto anything really.

I'm wanting to put in a space every 20 characters, and am unsure on how to
do this.  I can't process the XML prior to transformation, as it is coming
from a stored procedure in a database.  Therefore, the string manipulation
has to come from the XSL rather than Java.  Does anyone know how to achieve
this?

Regards,
Peter


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