* lisp/json.el (json-alist-p): Only return non-nil if the alist has

simple keys.

Fixes: debbugs:13518

2 files changed, 8 insertions, 2 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 7365e8c274e..acc3435ce08 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-24  Simon Schubert  <2@0x2c.org>
+
+        * json.el (json-alist-p): Only return non-nil if the alist has
+        simple keys (Bug#13518).
+
 2013-11-22  Mihir Rege  <mihirrege@gmail.com>  (tiny change)
 
         * progmodes/js.el (js--ctrl-statement-indentation): Fix indent
diff --git a/lisp/json.el b/lisp/json.el
index aaa7bb0c499..21523c1aa8b 100644
--- a/lisp/json.el
+++ b/lisp/json.el
@@ -126,9 +126,10 @@ without indentation.")
   (mapconcat 'identity strings separator))
 
 (defun json-alist-p (list)
-  "Non-null if and only if LIST is an alist."
+  "Non-null if and only if LIST is an alist with simple keys."
   (while (consp list)
-    (setq list (if (consp (car list))
+    (setq list (if (and (consp (car list))
+                        (atom (caar list)))
                    (cdr list)
                  'not-alist)))
   (null list))