Add support for ~/ directive in cl-format

Description

clojure.pprint/cl-format does not support the ~/ directive which allows to extend the formatter with custom functions.

The doc at https://clojure.github.io/clojure/doc/clojure/pprint/CommonLispFormat.html mentions that support for ~/ is next up.

This Jira is to ask if someone is willing to contribute that enhancement to it.

Environment

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Unassigned

Reporter

import

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Approval

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Affects versions

Priority

Minor
Configure