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Richard Heathfield wrote:
> There aren't any unknown ASCII characters. If the printed '?' /is/ an
> ASCII character, then it has code point 63. If it hasn't, then it isn't an
> ASCII character.
Thats ok. But if there is a number as character printed (depending on the
locale, thus not guaranteed to be ASCII) that is "unprintable" (control
codes, ...) a special character may be inserted by the terminal - it looks
like a question mark (it may also be one).
On my computer a white question mark on a black background is printed.
regards,
--
Bernhard Schauer
schauer_at_cruxy_dot_net
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