GNU bug report logs - #77609
How to add multiple functions to one hook with :hook in use-package?

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Message #17 received at 77609 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: John Wiegley <johnw <at> gnu.org>
Cc: 77609 <at> debbugs.gnu.org, rrt <at> sc3d.org
Subject: Re: bug#77609: How to add multiple functions to one hook with :hook
 in use-package?
Date: Fri, 25 Apr 2025 10:28:32 +0300

> From: John Wiegley <johnw <at> gnu.org>
> Cc: Reuben Thomas <rrt <at> sc3d.org>,  77609 <at> debbugs.gnu.org
> Date: Thu, 24 Apr 2025 18:10:32 -0700
> 
> >>>>> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> It's unfortunate that this is part of an error message, as I've never seen the error, but I think this explains the
> >> syntax, and indeed says that you can't add multiple functions to a single hook with one :hook line; in other
> >> words, it would be necessary to write something like:
> >> 
> >> (use-package foo-mode
> >> :hook
> >> ((foo-mode . function-a)
> >> (foo-mode . function-b)))
> 
> > John, can you please help in understanding how the documentation could be
> > clarified in this regard?
> 
> I mean, there’s no reason it could be extended to support a list, like:
> 
>   (foo-mode . (function-a function b))
> 
> So do we want to document the restriction, or relax it?

The latter, I guess, assuming it isn't too complicated.

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