[m-rev.] trivial diff: add comment for visible_modules bug

[Simon Taylor]

On 22-Oct-2002, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> The following bug results in occaisional misleading error messages from
> typecheck.m.  I think it could also result in problems with
> --smart-recompilation not recompiling things when it ought to.
> 
> Simon, would you be willing to have a look at this one?

OK.

Simon.
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