you have to state that the top-level bindings are
global, yet overridable within a template, no?
yes but I think the only surprising thing is that this is allowed
whereas masking a local variable with another one of the same name is
not (which was a late change during the xslt 1 drafts to make that an
error) one could allow both of these or disallow both (to avoid common
user errors) but there doesn't seem to be any particular reason to allow
one and not the other.
David
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