@newt The only time I've ever seen someone use .cc for C++ files was Kirby 64: The Crystal Shards (N64 games have their source file names embedded in their ROMs).
@newt Well, I'm not primarily a C++ programmer which can explain it, but when I do see C++ source repositories, it's always .cpp.
.CC just sounds weird as a file extension for C++ files.
Mainly gaming/nerd instance for people who value free speech. Everyone is welcome.