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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Fri, 7 Jan 2022 10:51:13 +0000
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Subject: Re: Mass rename of C++ .c files to .cc suffix?
To: Martin Jambor <mjambor@suse.cz>
Cc: GCC Mailing List <gcc@gcc.gnu.org>
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On Fri, 7 Jan 2022 at 10:26, Martin Jambor wrote:
> I have already missed stuff when grepping because I did not include *.cc
> files and the inconsistency is also just ugly and must be very confusing
> to anyone who encounters it for the first time.

Yes, and it affects tooling like syntax highlighting and indenting
rules in editors. I think that's one of the strongest arguments in
favour of renaming them.

Apart from that, I don't have any strong opinion either way (libstdc++
has always used .cc and I rarely touch the rest of the compiler).