RE: adding to emacs coding standard / formatting

[Drew Adams]

>   > But what does this have to do with coding
>   > conventions?  (Let alone why would such usage be
>   > "banned".)
> 
>   > This is on the order of helpful tips, not coding
>   > conventions, IMO.
> 
> For users, it should be a tip.
> However, we might want to insist on this for code in Emacs, GNU ELPA
> or NonGNU ELPA when we have that.

Yes, that was my thought exactly.  Thanks for stating
it plainly.

The coding conventions in the manual serve a double
purpose.  Things mentioned there are (1) pretty much
mandatory for inclusion in Emacs and (2) recommendations
for other Elisp code (e.g. user/3rd-party).