KD>   The documentation to gcc mentions "ANSI trigraphs". ...
KD>   What use are they and when did they become standard ?
   Trigraphs exist because not all systems in which C may be
   used incorporate the entire ASCII character set.
   How do you write in C when your character set does not have
   any curly braces? You have to remember that C is supposed to
   be available across a wide range of devices. If you really
   know how to program in ANSI C, then you should be able to
   program a toaster, a coffee maker, or a robotic production
   control as easily as you make a simple text processor on an
   ordinary PC at your own desktop.

> ] Give me only the facts. I grow weary of all these Truths....

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