Function: pr-switches-string
pr-switches-string is a byte-compiled function defined in
printing.el.gz.
Signature
(pr-switches-string SWITCHES MESS)
Source Code
;; Defined in /usr/src/emacs/lisp/printing.el.gz
(defun pr-switches-string (switches mess)
;; If SWITCHES is nil, return nil.
;; Otherwise, return the list of string in a string.
(and switches
(mapconcat #'identity (pr-switches switches mess) " ")))