readtable (original) (raw)
ANSI Common Lisp 
23 Reader 23.2 Dictionary of Reader
| 23.2.17 *readtable* | Variable |
|---|
Value Type:
a readtable.
Initial Value:
A readtable that conforms to the description of Common Lisp syntax in Chapter 2 Syntax.
Description:
The value of *readtable* is called the current readtable. It controls the parsing behavior of the Lisp reader, and can also influence the Lisp printer (e.g., see the function readtable-case).
Examples:
(readtablep readtable) 
true
(setq zvar 123) 123
(set-syntax-from-char #\z #' (setq table2 (copy-readtable))) T
zvar 123
(setq readtable table2) #
zvar VAR
(setq readtable (copy-readtable nil)) #
zvar 123
Affected By:
See Also:
compile-file,load,readtable, Section 2.1.1.1 The Current Readtable
Allegro CL Implementation Details:
See The standard readtable is read-only, affect on with-standard-io-syntax and modifying the readtable in init files and with -ein implementation.htmlfor information on the implementation of *readtable*.