Printer Dispatching (ANSI and GNU Common Lisp Document)

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#### 22.1.2 Printer Dispatching

The Lisp printer makes its determination of how to print an object as follows:

If the value of *print-pretty* is true, printing is controlled by the current pprint dispatch table; see Pretty Print Dispatch Tables.

Otherwise (if the value of *print-pretty* is false), the object’s print-object method is used; see Default Print-Object Methods.