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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: forward-comment and syntax-ppss
Date: Thu, 08 Dec 2016 16:35:25 -0500
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> Doesn't the following do that?
>   (save-restriction (widen) (syntax-ppss))

Yes.

> (Or does this break the cache in some way?)

No, on the contrary, the cache currently works better if you widen
before calling syntax-ppss.


        Stefan