diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/easy-mmode.el | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/easy-mmode.el b/lisp/emacs-lisp/easy-mmode.el index 831ffb2d576..94db7cc586f 100644 --- a/lisp/emacs-lisp/easy-mmode.el +++ b/lisp/emacs-lisp/easy-mmode.el @@ -58,16 +58,29 @@ (defun easy-mmode-pretty-mode-name (mode &optional lighter) "Turn the symbol MODE into a string intended for the user. -If provided LIGHTER will be used to help choose capitalization." +If provided, LIGHTER will be used to help choose capitalization by, +replacing its case-insensitive matches with the literal string in LIGHTER." (let* ((case-fold-search t) + ;; Produce "Foo-Bar Minor mode" from foo-bar-minor-mode. (name (concat (replace-regexp-in-string + ;; "Foo-Bar-Minor" -> "Foo-Bar minor" "-Minor" " minor" + ;; "foo-bar-minor" -> "Foo-Bar-Minor" (capitalize (replace-regexp-in-string + ;; "foo-bar-minor-mode" -> "foo-bar-minor" "-mode\\'" "" (symbol-name mode)))) " mode"))) (if (not (stringp lighter)) name - (setq lighter (replace-regexp-in-string "\\`\\s-+\\|\\-s+\\'" "" lighter)) - (replace-regexp-in-string lighter lighter name t t)))) + ;; Strip leading and trailing whitespace from LIGHTER. + (setq lighter (replace-regexp-in-string "\\`\\s-+\\|\\s-+\\'" "" + lighter)) + ;; Replace any (case-insensitive) matches for LIGHTER in NAME + ;; with a literal LIGHTER. E.g., if NAME is "Iimage mode" and + ;; LIGHTER is " iImag", then this will produce "iImage mode". + ;; (LIGHTER normally comes from the mode-line string passed to + ;; define-minor-mode, and normally includes at least one leading + ;; space.) + (replace-regexp-in-string (regexp-quote lighter) lighter name t t)))) ;;;###autoload (defalias 'easy-mmode-define-minor-mode 'define-minor-mode) |