[O] [PATCH 9/9] ob-calc: don't leave garbage on the stack

[Jan Malakhovski]

* lisp/ob-calc.el (org-babel-calc-eval-string): Clean up the stack after 
expression
  evaluation.
---
 lisp/ob-calc.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/ob-calc.el b/lisp/ob-calc.el
index e8b43e7..2656f27 100644
--- a/lisp/ob-calc.el
+++ b/lisp/ob-calc.el
@@ -196,7 +196,9 @@ See `org-babel-calc-eval' for more info."
   (mapc #'org-babel-calc-eval-line (split-string text "[\n\r]"))
   (save-excursion
     (with-current-buffer (get-buffer "*Calculator*")
-      (calc-eval (calc-top 1)))))
+      (prog1
+        (calc-eval (calc-top 1)
+        (calc-pop 1))))))
 
 (defun org-babel-calc-eval-line (line)
   (let ((line (org-babel-trim line)))
-- 
2.6.2