XSL variable types

["Jon Smirl" <jonsmirl@xxxxxxxxxxxx>]

The XSL spec talks about five data types:
    string, number, boolean, node-set, result-tree

XT allows me to set variables to Java objects (ObjectVariant) and I'd like
to modify Saxon to support this as well.  Should there be a documented sixth
data type of 'opaque' which is only used for passing things between
extension functions? It would be defined as error if used in any other way.

Jon Smirl
jonsmirl@xxxxxxxxxxxx



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