[R6RS] shall versus must

dyb at cs.indiana.edu dyb at cs.indiana.edu
Wed Aug 30 15:58:21 EDT 2006

> I prefer "must" to "shall" myself, but (as I was
> explaining to Mike) the word "must" is ambiguous
> in that it can be interpreted as an informative
> observation about the nature of reality or some
> other standard, whereas the prissier "shall" is
> distinctive enough to serve as a marker for
> normative requirements.

Okay, thanks.  But if you prefer "must", and I prefer "must", and no one
else objects, can we not use "must" and insert a note into the terminology
section to the effect that "must" is used in the normative sense?


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