From 6844094edb9ade69ed89fcc1e590b18018b719d4 Mon Sep 17 00:00:00 2001
From: Eric Schulte <schulte.eric@gmail.com>
Date: Fri, 16 Sep 2011 07:43:07 -0600
Subject: [PATCH] Don't delete variable values when checking for assignment.

* lisp/ob.el (org-babel-get-src-block-info): Fixing bug, accidentally
  deleted variable values.
---
 lisp/ob.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/ob.el b/lisp/ob.el
index eec88f0e3..d20205f6b 100644
--- a/lisp/ob.el
+++ b/lisp/ob.el
@@ -224,7 +224,8 @@ Returns a list
 		      (lambda (ref) (cons :var ref))
 		      (mapcar
 		       (lambda (var) ;; check that each variable is initialized
-			 (unless (string-match ".+=.+" var)
+			 (if (string-match ".+=.+" var)
+			     var
 			   (error
 			    "variable \"%s\"%s must be assigned a default value"
 			    var (if name (format " in block \"%s\"" name) ""))))