Re: Spotting "cousin marriages" in a tree

> All that is 
> stopping me is that XSLT doesn't - as far as I know - allow for keys to 
> be used on exsl:node-set()s,


keys, once set up, automatically apply, separately, to any document that
is used and so if your  exsl:node-set() returns a node set consisting of
a root node / which it will if it is given a result tree fragment coming
from xsl:variable, then your keys will apply to that.

David

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