CLCS
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Index
*read-suppress* Reader Dictionary reader-error
Variable

*readtable*

Value Type

a readtable.

Initial Value

A readtable that conforms to the description of Common Lisp syntax in 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) ⇒  #<READTABLE>
 zvar ⇒  VAR
 (setq *readtable* (copy-readtable nil)) ⇒  #<READTABLE>
 zvar ⇒  123

Affected By

compile-file, load

See Also

compile-file, load, readtable, The Current Readtable

Backlinks

compile-file, load, Multiple Possible Textual Representations, peek-char, Printing Symbols, read, read-preserving-whitespace, read-delimited-list, Reader Dictionary, Readtables, set-dispatch-macro-character, get-dispatch-macro-character, Symbols in the COMMON-LISP Package, The Current Readtable, Variables that affect the Lisp Reader, with-standard-io-syntax