From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Gerber <daniel.g.gerber@gmail.com>
Subject: [PATCH] Strip text properties from string code block arguments
Date: Tue, 07 Jan 2014 18:26:09 +0100
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To: emacs-orgmode@gnu.org

Hi,

This change in org-babel-python-var-to-python makes python code blocks 
accept a string with text properties (as one gets when referring another 
code block). I guess there should be something similar for other languages.

diff --git a/lisp/ob-python.el b/lisp/ob-python.el
index 1457682..baa5764 100644
--- a/lisp/ob-python.el
+++ b/lisp/ob-python.el
@@ -137,7 +137,7 @@ specifying a variable of the same value."
         org-babel-python-hline-to
        (format
         (if (and (stringp var) (string-match "[\n\r]" var)) 
"\"\"%S\"\"" "%S")
-       var))))
+       (if (stringp var) (substring-no-properties var) var)))))

  (defun org-babel-python-table-or-string (results)
    "Convert RESULTS into an appropriate elisp value.