.
> 
> > 1. Avoid expressions like "//file_audio"
> 
> <file_audio> appears in quite a number of different contexts 
> and I expect those to change over time. So if I don't want to 
> enumerate those contexts in my stylesheet it seems I am stuck 
> with it. The good news is this would only be used 
> infrequently as part of an inventory check...


If you're using Saxon, the other good news is that the first reference
to //file_audio will search the document for all these elements, and
subsequent references won't need to do it again.

But with other processors, assigning a global variable to this node-set
might be a good idea.

Michael Kay


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