Peter Seebach wrote:

> In message <s84f8b3f.079@d2sbabm>, "Jonathan Cline" writes:
> >- It is interesting that they all have the same comment:
> >	/* This utility may NOT do getopt(3) option parsing. */
> >with improper use of "may" (probably should say "must" or
> >"might") and no explaination why.
> 
> You can't use "must" in technical documents, because it's a legal requirement
> in Britain, or so one of the ISO folks sez.  We use "shall not", but that's
> not really what you want either.

The "Human Factors Kit" at a previous employer had "the future
imperative of the word ``must'' is ``shall''" or words to the effect.
Basically any document that uses "must" doesn't pass their quality
assurance processes...

Simon.