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-rw-r--r--lisp/org/ob-dot.el2
1 files changed, 2 insertions, 0 deletions
diff --git a/lisp/org/ob-dot.el b/lisp/org/ob-dot.el
index 35bc8939518..73a16738a0b 100644
--- a/lisp/org/ob-dot.el
+++ b/lisp/org/ob-dot.el
@@ -69,6 +69,8 @@ This function is called by `org-babel-execute-src-block'."
(cmdline (or (cdr (assq :cmdline params))
(format "-T%s" (file-name-extension out-file))))
(cmd (or (cdr (assq :cmd params)) "dot"))
+ (coding-system-for-read 'utf-8) ;use utf-8 with sub-processes
+ (coding-system-for-write 'utf-8)
(in-file (org-babel-temp-file "dot-")))
(with-temp-file in-file
(insert (org-babel-expand-body:dot body params)))