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Re: Dir-Locals + Editorconfig Changes in Emacs 26

From: Eli Zaretskii
Subject: Re: Dir-Locals + Editorconfig Changes in Emacs 26
Date: Wed, 04 Oct 2017 20:00:16 +0300

> From: Jay Kamat <>
> Cc:
> Date: Wed, 04 Oct 2017 11:45:45 -0400
> > Could it be that the major mode hook is now called twice, and
> > Editorconfig fails to notice that one of these calls is to turn the
> > mode off?
> Is `after-change-major-mode' getting called twice in emacs 26, but not
> 25?

No, the mode is called twice, first time to turn it off, then to turn
it on.  The mode hook is also called twice, for the same reason.  I
don't know what that means for after-change-major-mode functions, but
maybe they are also called twice

> I can't seem to find a related news entry about the change, could
> you point me to more information about that?

I have no more information about that than what I told.  You should be
able to see whether after-change-major-mode is called twice by putting
some message there, or with Edebug.

> I took a look at the implementation of `after-change-major-mode', and I
> found `change-major-mode-after-body-hook' nearby, which seems to do what
> I want at a first glance (running hooks before dir-locals is set). Does
> changing the hook seem like the proper way to solve this?

Sorry, I don't know, since I have no idea what editorconfig wants to

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