ox-latex: Support svg images with unicode paths

* lisp/ox-latex.el (org-latex--inline-image): Testing with TeXLive 2022 finds that while \includegraphics is fine with unicode characters in the file path, \includesvg needs \detokenize{...} to prevent errors.

Author: tecosaur

lisp/ox-latex.el

@@ -2765,7 +2765,12 @@ used as a communication channel."
  ((string-prefix-p "," options)
  (format "[%s]" (substring options 1)))
  (t (format "[%s]" options)))
- path))
+ ;; While \includegraphics is fine with unicode in the path,
+ ;; \includesvg is prone to producing errors.
+ (if (and (string-match-p "[^[:ascii:]]" path)
+ (equal filetype "svg"))
+ (concat "\\detokenize{" path "}")
+ path)))
  (when (equal filetype "svg")
 (setq image-code (replace-regexp-in-string "^\\\\includegraphics"
  "\\includesvg"