Subject: bug#44554: 27.1; Feature request: SRFI-62 style comments for Emacs Lisp.

From: Drew Adams <[email-masked]>
Date: Thu, 12 Nov 2020 10:16:42 -0800 (PST)

> > No, not without modification. For example, #; would be treated as #
> > and a comment removing the rest of the line by most existing lexers.
> > And it's not just my code.
> 
> Sure, it would be a new feature, and older lexers wouldn't understand
> the new grammar, but that's true of (almost) any new language feature.

If we had reader macros, and more generally a
user-configurable reader, like Common Lisp, then
maybe (?) users could adapt (e.g. disable or
whatever) such new constructs programmatically,
with Lisp.

Of course, if that were added then there would
at least be a one-time adaptation to it needed.