GNU bug report logs - #64204
C/C++ local variables not syntax highlighted if they start with $

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Po Lu <luangruo <at> yahoo.com>
Cc: acm <at> muc.de, 64204 <at> debbugs.gnu.org
Subject: bug#64204: C/C++ local variables not syntax highlighted if they start with $
Date: Thu, 22 Jun 2023 15:00:00 +0300

> From: Po Lu <luangruo <at> yahoo.com>
> Cc: acm <at> muc.de,  64204 <at> debbugs.gnu.org
> Date: Thu, 22 Jun 2023 19:46:41 +0800
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > I _am_ talking about fontifications.  One of the main purposes of
> > fontifying code is to give the programmer feedback regarding the
> > syntax and semantics of the code.  Flagging invalid syntax is
> > therefore important, and when $ are invalid in identifiers, showing
> > that with fontifications is important.
> 
> But CC Mode fontification has never been intended to flag invalid
> syntax: instead of not being fontified at all, invalid syntax is simply
> fontified every which way.

It is fontified the way the syntax is interpreted, which is exactly
what I'm talking about.

> This is not a problem one option can solve; it will require large
> scale redesign of CC Mode, and detecting invalid syntax is more the
> forte of c-ts-mode anyway.

No redesign is needed.

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