System properties

>>>>> "Michael" == Michael Kay <mike@xxxxxxxxxxxx> writes:

    Michael> This mapping of XSLT system properties to Java system
    Michael> properties is of course not defined in the XSLT spec
    Michael> (because it's platform-dependent), but hopefully most
    Michael> XSLT 2.0 processors will provide some kind of mechanism
    Michael> for setting system properties of your choice.

What should be considered a system property?
On Java, this is defined, but on other platforms?

What about environment variables? Does it make sense to consider these
as system properties? I can't think of anything else that is portable
across platforms.
-- 
Colin Paul Adams
Preston Lancashire