Affine Connection

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:!kill -9 -1

It’s designed to be an extended vi clone above anything else.

You can’t have total internal reflection within a hollow core, but that’s not how they function.

But then the filename wouldn’t be /^[[:alnum:]._-]*~*$/.

.C came first. I don’t usually use it though; I usually use .cc or .cxx, but if I’m making some tiny test source, I often use .C. I’m strongly opposed to the .cpp extension because calling C++ “CPP” leads to confusion with the preexisting (before C++) use of the initialism to refer to the C preprocessor. There’s a reason why CPPFLAGS refers to preprocessor flags and CXXFLAGS refers to C++ flags.

[[ is not a POSIX shell feature.

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Also, I constantly name files in the same directory the same thing except for case. In my ~/tmp directory I have unrelated foo.c (C source) and foo.C (C++ source).

And GPL compatible, so a fork of tmux could be GPL-licensed on top of the ISC license.