Practical Programming in Tcl & Tk, Third Edition

Reference

Backslash Sequences

Table 1-1. Backslash sequences.

\a	Bell. (0x7)
\b	Backspace. (0x8)
\f	Form feed. (0xc)
\n	Newline. (0xa)
\r	Carriage return. (0xd)
\t	Tab. (0x9)
\v	Vertical tab. (0xb)
\<newline>	Replace the newline and the leading white space on the next line with a space.
\\	Backslash. ('\')
\ooo	Octal specification of character code. 1, 2, or 3 digits.
\xhh	Hexadecimal specification of character code. 1 or 2 digits.
\uhhhh	Hexadecimal specification of a 16-bit Unicode character value. 4 hex digits.
\c	Replaced with literal c if c is not one of the cases listed above. In particular, \$, \", \{, \}, \], and \[ are used to obtain these characters.

Arithmetic Operators

Table 1-2. Arithmetic operators from highest to lowest precedence.

- ~ !

Unary minus, bitwise ...