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\details{
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\details{
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This escapes the control characters \code{\a} (bell), \code{\b}
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This escapes the control characters \code{\a} (bell), \code{\b}
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(backspace), \code{\f} (formfeed), \code{\n} (line feed), \code{\r}
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(backspace), \code{\f} (formfeed), \code{\n} (line feed), \code{\r}
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(carriage return), \code{\t} (tab), \code{\v} (vertical tab) and
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(carriage return), \code{\t} (tab), \code{\v} (vertical tab) and
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\code{\0} (nul) as well as backslash and non-printable characters,
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\code{\0} (nul) as well as backslash and non-printable characters,
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which are printed in octal notation (\code{xyz} with leading zeroes).
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which are printed in octal notation (\code{\xyz} with leading zeroes).
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#ifdef unix
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#ifdef unix
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(Which characters are non-printable depends on the current locale.)
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(Which characters are non-printable depends on the current locale.)
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#endif
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#endif
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#ifdef windows
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#ifdef windows
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(Windows is unreliable, so all other control characters are regarded
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(Windows is unreliable, so all other control characters are regarded
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