bug#34525: replace-regexp missing some matches

[Alan Mackenzie]

Hello, Eli.

On Wed, Feb 20, 2019 at 21:27:24 +0200, Eli Zaretskii wrote:
> > Date: Wed, 20 Feb 2019 18:58:50 +0000
> > Cc: daniel.lopez999@gmail.com, 34525@debbugs.gnu.org
> > From: Alan Mackenzie <acm@muc.de>

> > It would seem there is more to it than redisplay.

> Maybe look at this from a different angle: what do we have in C++ mode
> that isn't present in C mode, and could potentially affect this use
> case?

Well, the most obvious thing is the category text property whose value
is the symbol c-<-as-paren-syntax.  This symbol's plist is

    (risky-local-variable t syntax-table (4 . 62))

.  I can't think of anything else at the moment.

-- 
Alan Mackenzie (Nuremberg, Germany).