The purpose of this function is to interrogate certain properties of the XSLT processor. The calling sequence is:
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:
A number representing the supported version of XSLT. At the moment, it will probably return 1.0.
The name of the vendor that built the XSLT processor.
The URL of the vendor's homepage.