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ob-dot: Fix error with utf-8 encoded dot files

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* lisp/ob-dot.el (org-babel-execute:dot): Add utf-8 support.

When trying to render a dot file with utf-8 encoded characters, Org
Babel complains about the encodings.  This patch makes utf-8 dot files
work.

TINYCHANGE
This commit is contained in:
Sigmund Tzeng 2018-09-29 08:44:39 +02:00 committed by Nicolas Goaziou
parent e22d32b023
commit 0d0cd9694f
1 changed files with 2 additions and 0 deletions
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lisp/ob-dot.el
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@ -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)))