> The 
> few programming classes I've taken (using procedural 
> languages) have taught that a lot of global variables are a 
> Bad Thing, but maybe that axiom doesn't necessarily apply to XSLT.
> 

Global variables are a bad thing in procedural programming because they
can be updated from anywhere, which leads to a lot of errors.

They do no harm in XSLT because they are only evaluated once.

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 


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