+(defcustom org-export-html-mathjax-options
+ '((path "http://orgmode.org/mathjax/MathJax.js")
+ (scale "100")
+ (align "center")
+ (indent "2em")
+ (mathml nil))
+ "Options for MathJax setup.
+
+path The path where to find MathJax
+scale Scaling for the HTML-CSS backend, usually between 100 and 133
+align How to align display math: left, center, or right
+indent If align is not center, how far from the left/right side?
+mathml Should a MathML player be used if available?
+ This is faster and reduces bandwidth use, but currently
+ sometimes has lower spacing quality. Therefore, the default is
+ nil. When browsers get better, this switch can be flipped.
+
+You can also customize this for each buffer, using something like
+
+#+MATHJAX: scale:\"133\" align:\"right\" mathml:t path:\"/MathJax/\""
+ :group 'org-export-html
+ :type '(list :greedy t
+ (list :tag "path (the path from where to load MathJax.js)"
+ (const :format " " path) (string))
+ (list :tag "scale (scaling for the displayed math)"
+ (const :format " " scale) (string))
+ (list :tag "align (alignment of displayed equations)"
+ (const :format " " align) (string))
+ (list :tag "indent (indentation with left or right alignment)"
+ (const :format " " indent) (string))
+ (list :tag "mathml (should MathML display be used is possible)"
+ (const :format " " mathml) (boolean))))
+
+(defun org-export-html-mathjax-config (template options in-buffer)
+ "Insert the user setup into the matchjax template."
+ (let (name val (yes " ") (no "// ") x)
+ (mapc
+ (lambda (e)
+ (setq name (car e) val (nth 1 e))
+ (if (string-match (concat "\\<" (symbol-name name) ":") in-buffer)
+ (setq val (car (read-from-string
+ (substring in-buffer (match-end 0))))))
+ (if (not (stringp val)) (setq val (format "%s" val)))
+ (if (string-match (concat "%" (upcase (symbol-name name))) template)
+ (setq template (replace-match val t t template))))
+ options)
+ (setq val (nth 1 (assq 'mathml options)))
+ (if (string-match (concat "\\<mathml:") in-buffer)
+ (setq val (car (read-from-string
+ (substring in-buffer (match-end 0))))))
+ ;; Exchange prefixes depending on mathml setting
+ (if (not val) (setq x yes yes no no x))
+ ;; Replace cookies to turn on or off the config/jax lines
+ (if (string-match ":MMLYES:" template)
+ (setq template (replace-match yes t t template)))
+ (if (string-match ":MMLNO:" template)
+ (setq template (replace-match no t t template)))
+ ;; Return the modified template
+ template))
+
+(defcustom org-export-html-mathjax-template
+ "<script type=\"text/javascript\" src=\"%PATH\">
+<!--/*--><![CDATA[/*><!--*/
+ MathJax.Hub.Config({
+ // Only one of the two following lines, depending on user settings
+ // First allows browser-native MathML display, second forces HTML/CSS
+ :MMLYES: config: [\"MMLorHTML.js\"], jax: [\"input/TeX\"],
+ :MMLNO: jax: [\"input/TeX\", \"output/HTML-CSS\"],
+ extensions: [\"tex2jax.js\",\"TeX/AMSmath.js\",\"TeX/AMSsymbols.js\",
+ \"TeX/noUndefined.js\"],
+ tex2jax: {
+ inlineMath: [ [\"\\\\(\",\"\\\\)\"] ],
+ displayMath: [ ['$$','$$'], [\"\\\\[\",\"\\\\]\"], [\"\\\\begin{displaymath}\",\"\\\\end{displaymath}\"] ],
+ skipTags: [\"script\",\"noscript\",\"style\",\"textarea\",\"pre\",\"code\"],
+ ignoreClass: \"tex2jax_ignore\",
+ processEscapes: false,
+ processEnvironments: true,
+ preview: \"TeX\"
+ },
+ showProcessingMessages: true,
+ displayAlign: \"%ALIGN\",
+ displayIndent: \"%INDENT\",
+
+ \"HTML-CSS\": {
+ scale: %SCALE,
+ availableFonts: [\"STIX\",\"TeX\"],
+ preferredFont: \"TeX\",
+ webFont: \"TeX\",
+ imageFont: \"TeX\",
+ showMathMenu: true,
+ },
+ MMLorHTML: {
+ prefer: {
+ MSIE: \"MML\",
+ Firefox: \"MML\",
+ Opera: \"HTML\",
+ other: \"HTML\"
+ }
+ }
+ });
+/*]]>*///-->
+</script>"
+ "The MathJax setup for XHTML files."
+ :group 'org-export-html
+ :type 'string)
+