Re: What's missing in ELisp that makes people want to use cl-lib?

[Eli Zaretskii]

> Date: Mon, 30 Oct 2023 21:31:41 -0500
> Cc: emacs-devel@gnu.org, stefankangas@gmail.com
> From: Adam Porter <adam@alphapapa.net>
> 
> By the way, with regard to CL-PUSHNEW, it seems surprising that no one's 
> mentioned the existing counterpart in "core" Elisp, ADD-TO-LIST. 
> Notably, its docstring says:
> 
>    This is handy to add some elements to configuration variables,
>    but please do not abuse it in Elisp code, where you are usually
>    better off using ‘push’ or ‘cl-pushnew’.
> 
> So even "core", non-cl-lib Elisp recommends the use of some cl-lib 
> functions, i.e. CL-PUSHNEW.  That certainly suggests a "gap" in core 
> Elisp functionality.

This kind of remarks in Emacs doc strings are never about "gaps" of
any kind, they are about cleaner coding practices.