latex表現をgoogle chart apiの形式へ変換

latex-to-google-chart-api.el

(defun latex-to-google-chart-api (start end)
  (interactive "r")
  (let ((latex-expression (kill-region start end)))
    (insert-string
     (concat "<img src=\"http://chart.apis.google.com/chart?cht=tx&chl="
             (w3m-url-encode-string (car kill-ring))
             "\" alt=\"\" />") )))
(global-set-key "\C-c\C-l\C-t" 'latex-to-google-chart-api)