I agree with Gary's comments: you'd definitely want to cache Templates,
not Transformers.

Also, when you create a Transformer (or Template) from stylesheet1.xsl
that includes stylesheet2.xsl, both files are read and parsed and fully
computed into the Templates object.  There's no easy way to separately
cache the two stylesheets, and it's probably not worth the effort to
figure out how to do this with the internals of Xalan.

Also re: user.dir problem: make sure you call setSystemId() on any
Source objects you use to create transformers or transform XML
documents.  IF this isn't set, then things like xsl:include and
document() calls are resolved w/r/t the user.dir, since we don't know
where they came from.  If you setSystemID, then we should properly
resolve includes/imports/document() w/r/t the systemID itself.
(Reminders: if you create StreamSource("file.ext") then you don't need
to set the systemId; and systemIds must be legal URIs *not* local file paths)

=====
- Shane

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 .sig="Du sublime au ridicule il n'y a qu'un pas." />

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