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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: Propagating local variables?
Date: Wed, 16 May 2018 13:34:41 -0400
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References: <m236ys7ls5.fsf@newartisans.com> <87fu2se06r.fsf@gnu.org>
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> I have always considered this a hack.  But I could not think of a better
> solution.  Suggestions are welcome.

I think most other "multi-buffer" packages tend to treat one of their
buffers as a kind of "master" and have all others point to it, so they
can lookup shared local variables via something like
(buffer-local-value my-parent-buffer 'varname).


        Stefan