Thank You for the explanation. I think I understand that
mechanism better now.
> While it is the version of the file format, it is not
the version of
> the file, which I believe is were
the confusion came from?
This is exactly right, that's where my confusion came
Ludovic: I'll amend my patch to more explicitly document
the version field in this way.
Hopefully, it will be sent here by the end of the day.
Thank You both for Your help!