[m-rev.] for review: Announce recent changes to string type and string module.

[Peter Wang]

On Mon, 18 Nov 2019 15:53:40 +1100 (AEDT), Julien Fischer <jfischer at opturion.com> wrote:
> 
> Hi Peter,
> 
> On Mon, 18 Nov 2019, Peter Wang wrote:
> 
> > NEWS:
> >    Announce changes regarding ill-formed code unit sequences in
> >    strings.
> >
> > library/string.m:
> >    Delete a note about ongoing work.
> >
> > diff --git a/NEWS b/NEWS
> > index f41c9fb8e..b9f1b132a 100644
> > --- a/NEWS
> > +++ b/NEWS
> > @@ -462,6 +462,12 @@ Changes to the Mercury standard library:
> >    - foldr_substring/5
> >    - foldr_substring/6
> > 
> > +* The string type has been defined to permit ill-formed code unit sequences.
> 
> I would delete this first sentence; the string type has always been
> defined in such a way that ill-formed code unit sequences could occur.

Done, thanks.

Peter