use format instead of concat

ljos · May 30, 2015 · e0f2769 · e0f2769
1 parent 4abc52d
commit e0f2769
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/ob-prolog.el b/ob-prolog.el
@@ -58,7 +58,10 @@
                  (replace-regexp-in-string
                   "'" "\\'" value)))
         ((listp value)
-         (concat "[" (mapconcat #'org-babel-prolog--elisp-to-pl value ", ") "]"))
+         (format "[%s]"
+		 (mapconcat #'org-babel-prolog--elisp-to-pl
+			    value
+			    ", ")))
         (t (prin1-to-string value))))
 
 (defun org-babel-prolog--variable-assignment (pair)