Subject: bug#75170: add-to-alist: new function

From: Eli Zaretskii <[email-masked]>
Date: Tue, 21 Jan 2025 21:15:10 +0200

> From: Stefan Kangas <[email-masked]>
> Date: Tue, 21 Jan 2025 10:47:13 -0800
> Cc: Roland Winkler <[email-masked]>, Eli Zaretskii <[email-masked]>, [email-masked], 
> 	[email-masked], Stefan Monnier <[email-masked]>
> 
> So `map-put!` is not a good alternative to `add-to-alist`.  I don't
> think generalized variables are either, not for something intended for
> end-users and not developers (as `add-to-list` is).
> 
> What are we left with?  Maybe we should just add `add-to-alist`.

Can someone tell me again why add-to-list doesn't fit the bill of
being a tool easy for end-users?  I've been using it in my init files
to customize stuff like default-frame-alist since about forever.