> $parameters is defined as a string passed in from the processor, and my 
> understanding was that I needed to coerce to a node set explicitly; 

you can't siumply coerce from a string to a node set you need to parse
the string with an XML parser. xx:node-set() does not take a string as
an input it takes a result tree fragment (which is more or less the same
thing as a node set in any case, and in XSLT2 _is_ the same thing, so
xx:node-set() is no longer needed in XSLT2)


> This may not be the ideal way to do it; What I was hoping to achieve was 
> a way to pass in arbitrary variables without having to hardcode variable 
> names into the stylesheet and preferably avoiding having to make 2 

That's fine but you need to pass in a node set (ie a parsed document0
not a string.

> I haven't seen any way to pass a parsed document node into libxslt, 
You can always just pass in the file name as a string parameter and then
use select="document($filename)/whatever"

David

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