The purpose of this function is to interrogate certain properties of the XSLT processor. The calling sequence is:
system-property(name)where name is the name
of a property. The function returns the value of the
named property. In addition to any names that the XSLT
processor may support, all processors must return values
for these property names:
xsl:versionA number representing the supported version of XSLT. At the moment, it will probably return 1.0.
xsl:vendorThe name of the vendor that built the XSLT processor.
xsl:vendor-urlThe URL of the vendor's homepage.