[xsl] Are variables allowed in XPATHs?

[Harry Ohlsen <harryo@xxxxxxxxxxxxxxxx>]

I've written some XSL that is parameterised based 
on a set of variables defined in an xsl:include-ed 
file.  The reason is that I want to separate the 
generic transformation from the specifics, both to 
facilitate re-use and to avoid unintentional 
editing of the XSL when targeting it at a specific 
instance of the problem.

This seems to work fine with Xalan, but XMLSpy 
gives me an error, saying that variables and 
parameters cannot be used in patterns.

Am I doing something that may break if I move from 
Xalan to another processor, or is XMLSpy just 
telling me that this is a limitation in its debugger?

I'm particularly interested, since I am in the 
process of evaluating XMLSpy.  If this is a 
limitation of XMLSpy, can anyone point me to 
another tool that can handle this kind of code, 
since I expect to be writing a lot of it.

Of course, if there's a better way to approach the 
problem, I'd be interested to hear that, too! 
I've only been hacking at XSLT for about a week, 
so I'm definitely not au fait with all its 
facilities, yet.

TIA

Harry O.


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