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| Allegro CL version 9.0 This page is new in 9.0.

## *print-simple-array-specialized*

This variable is `nil` by default, and it governs the behavior of the printing of arrays. If the value is `nil`, then the printer prints the array in standard #NAdata format (the standard Common Lisp fashion). If the value of this variable is true, and the array being printed is an unsigned byte array where the byte size is 4, 8, 16, 32, or 64, or a signed byte arrays where the byte size is 8, 16, 32, or 64, then the printer extends the format to #{N}A{T}data format. This extension of the #A reader macro format is described in The #A reader macro in implementation.htm.

This variable is presented in the :printer-variables toplevel command, and can be queried or set there.

This variable has a required top-level binding to `nil`, so a listener thread will bind this variable to `nil`, thus not disturbing its value in other threads. (See `*required-top-level-bindings*`.)

Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page is new in the 9.0 release.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 This page is new in 9.0.