Tcl/Tk in a Nutshell

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Backslash Substitutions

The following backslash substitutions are valid in words making up Tcl commands, except inside braces:

\a: Audible alert (0x07)
\b: Backspace (0x08)
\f: Form feed (0x0C)
\n: Newline (0x0A)
\r: Carriage return (0x0D)
\t: Horizontal tab (0x09)
\v: Vertical tab (0x0B)
\space: Space (0x20)
\newline: Newline (0x0A)
\ddd: Octal value (d = 0 −7)
\xd ...: Hexadecimal value (d = 0 −9, a−f)
\c: Replace \c with character c
\\: A backslash

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