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...signed char and >> unsigned char as characters instead of numbers? > > That seems to me to be the better interpretation.  Specifically, it > would be surprising (to me) if > >        std::cout << "Hello world" << '\n'; > > caused "Hello world10" to be displayed. Actually I get what he is saying, '\n' is a char, but unsigned char and signed char are different types from char, and they should be distinct from char and displayed as integers, where char should be displayed as a string. I always have to remember to display my by...