Is it the case that a schema-aware processor processing an
untyped input
document behaves the same as a non-SA processor on that document?
Yes. A basic processor differs from a schema-aware processor only in that it
rejects certain things that an SA processor accepts. If you're within the
subset that a basic processor can handle, then the two give the same
results.
-Is it possible to store the validated source (the PSVI?)
and supply
that for subsequent transforms?
Watch this space....
I think that's the clincher at the moment.
I think the other important thing for many people will be the ability to
store a pre-compiled schema persistently. For that, you'll have to watch
this space a little longer. It's OK, of course, if you're in a
continuously-running server environment, where source documents, compiled
stylesheets, and compiled schemas can all be cached in memory today.
Did you know section: did you know that if you cache source documents and
stylesheets in memory, then Saxon will also cache the indexes used to
support xsl:key, which will stay in memory so long as both the source
document and the stylesheet are in memory? (A long-standing item on my to-do
list is to use a common index if two stylesheets define the same key
definition!)
Michael Kay
http://www.saxonica.com/
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