* 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
@@ -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-")))
(insert (org-babel-expand-body:dot body params)))