how to put new line after few characters

I have a simple XML file. e.g.

<billing>
<address>Lifetree Convergence Ltd. 1-C2, Parkwood Estate, New Delhi</address>
</billing>

I need to write XSL code to show the address in a particluar cell of a tbale. like

+---------------------------+
|Lifetree Convergence Ltd.  |
|1-C2, Parkwood Estate,     |
|New Delhi                  |
+---------------------------+

i want a new line after 26 characters to show the address in multiple lines.

Please help me gurus here.

Regards.

Rakesh D.
Lifetree




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