[O] Export Org checkboxes in ox-html using UTF-8 symbols

[Grant Rettke]

Hi,

Sacha Chua made a nice hack to export checkboxes as unicode symbols to
HTML here:

http://sachachua.com/blog/2014/03/emacs-tweaks-export-org-checkboxes-using-utf-8-symbols/?shareadraft=baba27119_533313c944f64

(defun sacha/org-html-checkbox (checkbox)
  "Format CHECKBOX into HTML."
  (case checkbox (on "<span class=\"check\">&#x2611;</span>") ;
checkbox (checked)
        (off "<span class=\"checkbox\">&#x2610;</span>")
        (trans "<code>[-]</code>")
        (t "")))
(defadvice org-html-checkbox (around sacha activate)
  (setq ad-return-value (sacha/org-html-checkbox (ad-get-arg 0))))

Thanks Sacha.

Regards,

Grant Rettke | AAAS, ACM, AMA, COG, IEEE, Sigma Xi
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