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## [O] How can I wrap the subscript into a math environment in Org-mode?

 From: Lei Zhe Subject: [O] How can I wrap the subscript into a math environment in Org-mode? Date: Sun, 22 Nov 2015 17:51:40 +0900

I have some subscripts in my org file like B_25, B_30. These
subscripts can be exported to LaTeX like B_{25}, B_{30}. However, I
want part of the subscripts like B to be exported as italic /B/. As
one solution for this, I can wrap these thing into a math environment
like $$B_{25}$$. But since my file contains large numbers of these
subscripts, I would like to implement this in a programmable way.

I found a subscript filter function in org-mode, so I tried to use it
to wrap the subscripts by

(defun wrap-subscript-with-math-environment (contents backend info)
(when (eq backend 'latex)
(format "\$$%s\$$" contents)))

However, the results exported are like B$$_{\text{25}}$$. It seems