* lisp/format-spec.el (format-spec): Accept a function producing the substitution for a character. * doc/lispref/strings.texi (Custom Format Strings): Document the above change. * test/lisp/format-spec-tests.el (format-spec/function): New test. Ref. https://lists.gnu.org/r/emacs-devel/2022-09/msg01875.html
7.9 KiB
7.9 KiB