Re: Native line numbers landed on master

[Eli Zaretskii]

> From: Robert Pluim <address@hidden>
> Cc: "Yuri D'Elia" <address@hidden>,  Eli Zaretskii <address@hidden>,
>   address@hidden,  Lars Magne Ingebrigtsen <address@hidden>,
>   address@hidden,  Emacs developers <address@hidden>
> Date: Mon, 07 Oct 2019 10:09:43 +0200
> 
> >>>>> On Mon, 7 Oct 2019 09:39:08 +0200, Juanma Barranquero <address@hidden> 
> >>>>> said:
> 
>     Juanma> On Mon, Oct 7, 2019 at 8:54 AM Robert Pluim <address@hidden> 
> wrote:
>     >> I thought the convention for C-level variables for Lisp variables was
>     >> to stick a 'V' on the front, but I see Eli didnʼt do that for
>     >> display-line-numbers-widen, so now Iʼm wondering.
> 
>     Juanma> I think it's usually not done for native type variables: integer, 
> boolean.

That's right.  Only general Lisp objects get called Vsomething.

> I canʼt find any documentation stating that

We have a node about writing Emacs Lisp primitives; a node about Lisp
variables implemented in C still awaits its author.  Patches are
welcome.

> I was thinking of the case where people want a particular value in
> most of their buffers, in which case they'd want a default, which
> they'd then override for a few cases with a mode-hook. I canʼt judge
> how common that would be though.

I tend to think that this will be rare, so I think a simple variable
is good enough at this stage.