Merge pull request #563 from DMClVG/master

Fix doc-str Guile

Author: Olical

fnl/conjure/client/guile/socket.fnl

@@ -78,7 +78,8 @@
                           (= "" (a.get-in msgs [1 :out])))
                  (a.assoc-in msgs [1 :out] (.. comment-prefix "Empty result")))
 
-               (opts.on-result (str.join "\n" (format-message (a.last msgs))))
+               (if opts.on-result
+                (opts.on-result (str.join "\n" (format-message (a.last msgs)))))
                (a.run! display-result msgs))
              {:batch? true})))))