indentation of programlisting

Bobs Book says:

"There is an extension function written in Java for the Saxon XSL 
processor that will expand tab characters so they appear formatted as in 
a program editor. The extension was written by Tomas Hajek and is 
available for download from http://www.tomashajek.net/[...]"

Is there a solution for FOP??

Regards Lwam
-- 
Gruß Lwam Berhane

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