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Re: forward-comment and syntax-ppss

From: Eli Zaretskii
Subject: Re: forward-comment and syntax-ppss
Date: Sat, 17 Dec 2016 16:49:30 +0200

> From: Stefan Monnier <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Sat, 17 Dec 2016 09:41:18 -0500
> > Do you have an alternative proposal?
> Yes, I think it's easier to keep using narrow-to-region for that, but to
> supplement the narrowing with some information as to whether widening
> that narrowing is permissible or not (along the lines of
> font-lock-dont-widen, but not specific to font-lock and allowing
> intermediate narrowing so that we can widen the user's narrowing in an
> Info buffer without widening all the way to point-min==1).

What about nested narrowing?  Don't we want to be able to keep the
information about the outer restriction, so that we'd be able to
restore it later?

Also, just when would widening or narrowing be "not permissible"?

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