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Allegro CL
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  ANSI Common Lisp   23 Reader   23.2 Dictionary of Reader

23.2.1 readtable System Class

Class Precedence List:
readtable, t

A readtable maps characters into syntax types for the Lisp reader; see Chapter 2 Syntax. A readtable also contains associations between macro characters and their reader macro functions, and records information about the case conversion rules to be used by the Lisp reader when parsing symbols.

Each simple character must be representable in the readtable. It is implementation-defined whether non-simple characters can have syntax descriptions in the readtable.

See Also:
Section 2.1.1 Readtables, Section Printing Other Objects

Allegro CL Implementation Details:

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