Quote:

AFAIK, KiX has always behaved this way. Why do you consider it an issue?

If wrapped in quotes it is well behaved.



Well, you should reasonably expect to be able to use an environment variable in exactly the same way that you would a KiXtart variable or macro (notwithstanding the fact that it is read only)

I don't believe that the current action is intentional which is why I've highlighted it here.