> Those who want to see how key() 'simplifies the code'  are welcome 
> to guess what processing is implemented in test6.xsl stylesheet 
> by Sebastian ( without looking into .xml file, please ).

Apparently Sebastian did not document his stylesheet.  There was a thread some time ago upon the topic of embedding documentation within style sheets, for exactly this reason.

-- 
  Thorbjørn Ravn Andersen   "...and...Tubular Bells!"


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