Do you know how to capitalize a string in Emacs Lisp?

October 14, 2023

(capitalize "foo BAR bAz") ;; "Foo Bar Baz"
(capitalize "foo-BAR-bAz") ;; "Foo-Bar-Baz"
(capitalize "foo_BAR_bAz") ;; "Foo_Bar_Baz"

(upcase "foo BAR bAz") ;; "FOO BAR BAZ"
(downcase "foo BAR bAz") ;; "foo bar baz"

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