Replace reST roles of subscript and superscript with the MathJax style at math directive block. request #1

ox-rst.el

@@ -1202,7 +1202,15 @@ holding contextual information."
 								(org-export-solidify-link-text label)))
 			"\n"
 			(when contents
-			  (org-rst--indent-string contents org-rst-quote-margin))))
+			  (if (string= "math" directive)
+				  (let* ((rcontents
+						  (replace-regexp-in-string
+						   "\\\\ :sub:`\\(.+\\)`\\\\ " "_{\\1}" contents))
+						 (rcontents
+						  (replace-regexp-in-string
+						   "\\\\ :sup:`\\(.+\\)`\\\\ " "^{\\1}" rcontents)))
+					(org-rst--indent-string rcontents org-rst-quote-margin))
+				(org-rst--indent-string contents org-rst-quote-margin)))))
 		  (t
 		   (concat
 			(format "::\n")