Re: Why shouldn't we have a #if .... #else .... #endif construct in Emacs Lisp?

[João Távora]

On Wed, Aug 30, 2023 at 9:48 PM Sean Whitton <spwhitton@spwhitton.name> wrote:
>
> Hello,
>
> On Tue 29 Aug 2023 at 12:20pm +01, João Távora wrote:
>
> > Of course it has many more even, but the problem is that such things
> > are hardcoded in C even if part of the implementation then jumps to Lisp.
> > See lread.c around line 4318 for how backquote is  hardcoded.  In Common
> > Lisp there is a programmable mechanism for adding such macros entirely
> > within the language.  So don't be fooled, Elisp simply doesn't have that.
>
> It's a deliberate choice, right?  As part of ideas about keeping elisp
> simpler than something like CL.

Yeah, you "keep something simple" then Greenspuns's 10th kicks in.

João