                                    (org-split-string (car code-info) "\n")))))
               (org-export-format-code
                (car code-info)
-               (lambda (loc num ref)
+               (lambda (loc _num ref)
                  (concat
                   loc
                   (when ref
                     ;; Ensure references are flushed to the right,
                     ;; separated with 6 spaces from the widest line of
                     ;; code
-                    (concat (make-string (+ (- max-width (length loc)) 6) ? )
+                    (concat (make-string (+ (- max-width (length loc)) 6) ? \s)
                             (format "(%s)" ref)))))
                nil (and retain-labels (cdr code-info))))))))))))

                                                          "\n")))))
                   (org-export-format-code
                    (car code-info)
                    (lambda (loc num ref)
                      (concat
                       loc
                       (when ref

;; Time-stamp: <2015-11-02 11:38:11 kmodi>

;; `ox-latex' needs to be required before `load'ing this patch file

;; org-mode version 8.3+
(defun org-latex-src-block (src-block _contents info)
  "Transcode a SRC-BLOCK element from Org to LaTeX.
CONTENTS holds the contents of the item.  INFO is a plist holding
contextual information."
