Re: forward-comment and syntax-ppss

[Dmitry Gutov]

On 16.12.2016 04:06, Drew Adams wrote:
> > From where I'm standing, the things you use it for (hide
> > buffer contents)
>
> No.  Narrowing is not used to "hide buffer contents".

Very well. :)

> That's not
> the point of narrowing, even if it is one effect.  It's used to
> make some buffer contents inaccessible to certain (many, typical,
> ordinary) operations.  It is not just you who does not see parts
> of the buffer; it is also Emacs features that do not perceive
> them.

Why should some facilities ignore narrowing, then? E.g. font-lock and 
indentation, which have traditionally done so.

> At the base, narrowing is nothing more than binding the
> meanings/behavior of `point-min' and `point-max'.

Yes. That's literally its definition.

> No one has given an example of how narrowing makes things
> hard "for many other facilities" - or even for one facility.

You haven't been paying attention.