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  ANSI Common Lisp   22 Printer   22.4 Dictionary of Printer

22.4.20 *print-escape* Variable

Value Type:
a generalized boolean.

Initial Value:

If false, escape characters and package prefixes are not output when an expression is printed.

If true, an attempt is made to print an expression in such a way that it can be read again to produce an equal expression. (This is only a guideline; not a requirement. See *print-readably*.)

For more specific details of how the value of *print-escape* affects the printing of certain types, see Section 22.1.3 Default Print-Object Methods.

 (let ((*print-escape* t)) (write #\a))
 (let ((*print-escape* nil)) (write #\a))

Affected By:
princ, prin1, format

See Also:
write, readtable-case

princ effectively binds *print-escape* to false. prin1 effectively binds *print-escape* to true.

Allegro CL Implementation Details:

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