The fact that it used to work is certainly an accident

Ok - that makes good sense to me, and is one of the things I was hoping to establish.

Then you can also replace "ST(1)" with "position" in the code.

Some of us were wondering what this unused "position" argument was doing. Obviously it wasn't doing anything, but I think I start to understand a purpose for it. (Update: Duh !! It's just an arg that can now be accessed by its name instead of its position on the stack.)

As I now understand it, it's *all* of the other variables (not just 'pos') that should be declared in PREINIT instead of CODE.

I'll rewrite the file in accordance with tye's advice and give it a run.
Many thanks to all respondents.

Cheers,
Rob

In reply to Re^2: ExtUtils::ParseXS has changed (PREINIT:) by syphilis
in thread ExtUtils::ParseXS has changed by syphilis

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