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| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version

## *zoom-print-level*

During the printing of stack frames (e.g. because of a call to :zoom), `*print-circle*`, `*print-level*` and `*print-length*` are bound to the values of `*zoom-print-circle*`, this variable, and `*zoom-print-length*`.

:zoom takes a level keyword argument. If that argument is specified, `*print-level*` is bound to the specified value during the call to :zoom and the value of this argument is ignored.

The value of this variable may be, in addition to the values usually allowed for a print control variable, the symbol `:follow`. That value means use the current value of `cl:*print-level*`. See Allegro CL print variables can follow the CL print variable value in implementation.htm.

This variable is not available in Lisp images built with a minimal top level, that is built with the include-tpl argument to build-lisp-image specified `nil`. See Minimal top levels in building-images.htm for information on minimal top levels.

See debugging.htm for more information on the debugger.

Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.2 page.
Created 2012.5.30.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version