Why doesn't this work?(defun load-browser (app)    (interactive sChoose Browser? )    (cond ((string= app 'c)        (setq browse-url-generic-program chromium)        (setq browse-url-browser-function 'browse-url-generic))    (message Else case Typed %s app)    ))It fails to work in the Else case where the input string/char is not c.
Emacs/Lisp interactive string variable scoping
emacs;lisp