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

## all-external-formats

Arguments:

This function returns the list of all active external-format objects. This function is setf-able. Thus, one can effectively remove an external-format from the Lisp system by using (setf all-external-formats) specifying a list that does not include that external-format.

### Examples:

    (let ((before (all-external-formats)))
       (def-external-format :test)
       (set-difference (all-external-formats) before))
          -> (#<external-format :test>)

See iacl.htm for more information on international character support in Allegro CL.

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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