*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) → #<READTABLE>
 zvar → VAR
 (setq *readtable* (copy-readtable nil)) → #<READTABLE>
 zvar → 123

Affected By:

compile-file, load

See Also:

compile-file, load, readtable, Section 2.1.1.1 (The Current Readtable)