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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:
-
true.
- Description:
-
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.
- Examples:
-
(let ((*print-escape* t)) (write #\a))
 #\a
 #\a
(let ((*print-escape* nil)) (write #\a))
a
#\a
- Affected By:
-
princ, prin1, format
- See Also:
-
write, readtable-case
- Notes:
-
princ effectively binds *print-escape* to false.
prin1 effectively binds *print-escape* to true.
- Allegro CL Implementation Details:
-
None.
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