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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Reliable after-change-functions (via: Using incremental parsing
 in Emacs)
Date: Tue, 31 Mar 2020 18:44:57 +0300
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Cc: casouri@gmail.com, akrl@sdf.org, emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: casouri@gmail.com,  emacs-devel@gnu.org,  akrl@sdf.org
> Date: Tue, 31 Mar 2020 11:11:22 -0400
> 
> > I still don't see why it would need the entire buffer for this class
> > of applications.  Did anyone try the alternatives, in particular on
> > very large buffers?
> 
> What alternatives?

Let tree-sitter see just a portion of the buffer, like the outer block
of what will be displayed in the window.  You are saying that this is
impossible, but do tree-sitter developers also say that?

> How large is "very large" here?

xdisp.c comes to mind, obviously.