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Re:Dennis Ritchie’s first C compiler (c. 1972) by _kst_ on Thursday March 11, 2021 @12:22PM (#26426513)
> It makes sense long would have needed a comment.

I think you misunderstood. There's no explanatory comment. The "long" keyword is commented out, meaning that it was planned but not yet implemented.

    ...
            init("int", 0);
            init("char", 1);
            init("float", 2);
            init("double", 3);
    /*      init("long", 4);  */
            init("auto", 5);
            init("extern", 6);
            init("static", 7);
    ...
Re:Dennis Ritchie’s first C compiler (c. 1972) by hakanai on Sunday March 14, 2021 @09:46PM (#26461709)
Hmm, given its position in that sequence, it looks like it means a floating-point type larger than a double.