[PATCH] Fix error prone babel table output format detection

[Ian Kelling <ian@iankelling.org>]

From dc0b727328266785528fe160046ae1aa8df8a993 Mon Sep 17 00:00:00 2001
Message-ID: <87zjj2ous9.fsf@treetowl.lan>
MIME-Version: 1.0
Content-Type: text/plain

* lisp/ob-core.el: Test that all elements are in a list are lists
instead of just the first.

org-babel table output uses different formatting for a list of lists,
but detects it incorrectly causing an error, as in this example:
#+begin_src emacs-lisp 
'((1) 2)
#+end_src
---
 lisp/ob-core.el |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 1348f04..5872b68 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -2185,8 +2185,7 @@ code ---- the results are extracted in the syntax of the source
 		  (goto-char beg)
 		  (insert (concat (orgtbl-to-orgtbl
 				   (if (or (eq 'hline (car result))
-					   (and (listp (car result))
-						(listp (cdr (car result)))))
+					   (cl-every 'listp result))
 				       result (list result))
 				   '(:fmt (lambda (cell) (format "%s" cell)))) "\n"))
 		  (goto-char beg) (when (org-at-table-p) (org-table-align)))
-- 
1.7.10.4