Saxon

I've added code to XsltTransformer.setParameter() and Xslt30Transformer.setStylesheetParameters() to check that the parameter being set isn't declared as static.

This doesn't quite feel right. Firstly, these method have until now ignored anything the stylesheet says about the parameter; they just capture the value for future use. Secondly, we're doing the check at the wrong level; it can be bypassed by setting the parameter value directly on the Controller. However, the parameters are passed to the Controller using Controller.initializeController(), and this explicitly requires the parameter set to contain values for both static and dynamic parameters.

I think a better way forward is that the parameters passed to Controller.initializeController() should NOT include the static parameters (which are already available in the PreparedStylesheet)

I've now changed it as follows:

• the XsltTransformer and Xslt30Transformer no longer merge the static parameters into the globalParameters variable.

• Controller.initializeController no longer expects the supplied parameters to include parameters that were statically supplied. Indeed, it now checks that the supplied parameters (a) don't include any that were declared with static="yes", and (b) don't include any that were already supplied as parameters to the XsltCompiler.

This change is moderately disruptive (I had to make a number of corrections to test cases, to the XSLT 3.0 test driver, and to one or two XSLT 3.0 tests to make it work). I'm therefore going to make no change for Saxon 9.8.