Commit b44f0c45 authored by Lars Ingebrigtsen's avatar Lars Ingebrigtsen

Allow passing unknown specs to format-spec

* lisp/format-spec.el (format-spec): Allow passing through format
strings that have no specs (to be able to act as a filter).  Also
add an example.
* test/lisp/format-spec-tests.el (test-format-spec): Add tests for
the new functionality.
parent b41ddb7a
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