Subject: Re: bug#29339: 27.0.50; CC-mode doesn't know about .mm and .M suffixes for Objective-C++

From: Glenn Morris <[email-masked]>
Date: Fri, 22 Dec 2017 11:50:17 -0500

Alan Mackenzie wrote:

> That only answers the first question, not the second.  If we put .M and
> .mm into CC Mode or auto-mode-alist in Emacs, that implies some sort of
> commitment to support the language (Objective-C++).  If Objective-C Mode
> already almost supports it properly, that is one thing, but if the match
> is less good, it could involve a lot of work.

8 years ago, the comment was "switching to c++-mode or objc-mode does
not give satisfactory results". I don't know if anything has changed
since. Ref: https://debbugs.gnu.org/2732