bug#29812: 27.0.50; electric-quote-replace-double misbehaves in Lisp strings

[Eli Zaretskii <eliz@gnu.org>]

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sun, 31 Dec 2017 16:16:02 +0000
> Cc: 29812@debbugs.gnu.org
> 
>  AFAIK, electric-quote-replace-double is supposed to work in comments
>  and strings in buffers under programming language modes, not only in
>  text modes.  And it works correctly for me in C modes and also in Lisp
>  comments, so why not in Lisp strings?
> 
> Does it work as expected for you in C strings? I see the same behavior in C strings as in Lisp.

In C, "\"foo\"" produces ASCII quotes.

>  Anyway, if this feature is not supposed to work reliably in
>  programming language strings, perhaps we shouldn't try?  Having it
>  sometimes work and sometimes not is IMO confusing.
> 
> It should work in comments and strings, yes. However, given that the behavior is heuristic in all cases it's hard
> to define what the correct behavior should be.

Well, can you give an example where it does work in strings?  Maybe
I'm missing something, because it looked to me as if it never works in
that case.