Re: "Raw" string literals for elisp

[Augusto Stoffel]

On Thu,  9 Sep 2021 at 15:33, Mattias Engdegård <mattiase@acm.org> wrote:

> * Improve interactive regexp use. Maybe a user could configure a
> preferred regexp syntax (standard Emacs, PCRE, rx, etc) to be used
> when doing interactive search and replace.

IMO, interactive use is the one case where it's actually nice to have
parens etc interpreted literally by default.

> It would also affect how regexps are displayed and edited in
> customisation dialogues; right now, they are often difficult to
> read. Ideally a user should be able to switch syntax during entry at
> any time and have the regexp translated. Can syntax colouring
> (font-lock) improve regexp entry and display?

Maybe there could be a "glasses mode" for regexps, similar to the
existing one for came case?  One could display "(x)" and "\\(x\\)" in a
way that is indistinguishable except for the colors of the parenthesis.