Hi,
When running, for example, the following haskell block in ghci
#+begin_src haskell
v=2
#+end_src
there is no result.
The attached patch avoids calling `org-babel-script-escape' in such a
case.
Bruno.
>From d508dbf18e8edb95543a11774702f2a9bd4116e6 Mon Sep 17 00:00:00 2001
From: Bruno BARBIER <brubar...@gmail.com>
Date: Tue, 8 Nov 2022 19:19:32 +0100
Subject: [PATCH] lisp/ob-haskell.el: Fix org-babel-script-escape expects a
string
* lisp/ob-haskell.el (org-babel-interpret-haskell): Don't call
`org-babel-script-escape' when the result is nil.
---
lisp/ob-haskell.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisp/ob-haskell.el b/lisp/ob-haskell.el
index 99e590bfb..095286c79 100644
--- a/lisp/ob-haskell.el
+++ b/lisp/ob-haskell.el
@@ -150,7 +150,7 @@ (defun org-babel-interpret-haskell (body params)
(`output (mapconcat #'identity (reverse results) "\n"))
(`value (car results)))))
(org-babel-result-cond (cdr (assq :result-params params))
- result (org-babel-script-escape result)))
+ result (when result (org-babel-script-escape result))))
(org-babel-pick-name (cdr (assq :colname-names params))
(cdr (assq :colname-names params)))
(org-babel-pick-name (cdr (assq :rowname-names params))
--
2.37.4
