Re: [SUSPECTED SPAM] Re: [Emacs-diffs] scratch/widen-less a4ba846: Replace prog-widen with consolidating widen calls

[Dmitry Gutov]

On 12/5/17 12:05 AM, Stefan Monnier wrote:
> > > But I'd be fine keeping the old prog-indentation-context if you want.
> > How would that work? It's second element must be unused for the above
> > protocol to work.
>
> That's right.  Keep it and ignore it.

Then any real consumer of prog-indentation-context will also have to add 
a narrow-to-region to their code.

So backward compatibility will be poor anyway.