[m-rev.] for review: Document actual behaviour of mvar.try_take and mvar.try_read.

[Peter Wang]

On Sun, 19 Apr 2020 12:30:30 +1000 (AEST), Julien Fischer <jfischer at opturion.com> wrote:
> 
> 
> On Fri, 17 Apr 2020, Peter Wang wrote:
> 
> > I still need to think more about this one.
> > ---
> >
> > library/thread.mvar.m:
> >    Document actual behaviour of mvar.try_take and mvar.try_read:
> >    both may return `no' even if the mvar was not empty.
> >
> >    Clarify behaviour of mvar.read.
> >
> > NEWS:
> >    Announce change.
> 
> That's fine.

Thanks for the reviews.

Peter