Re: Inserting LaTex expressions using a filter fails

[Juan Manuel Macías]

Hello,

Mart van de Wege <mvdwege@gmail.com> writes:

> I'm trying to replace U+00BD in an org buffer with \sfrac{1}{2} during
> export to LaTex, and obviously I'm doing something wrong, or I don't
> understand the documentation.
>
> I use the following code to set up the filter:
>
> #+BIND: org-export-filter-item-functions (latex-replace-half)
> #+BEGIN_SRC emacs-lisp :exports results :results none
>
>   (defun latex-replace-half (text backend info)
>     (when (org-export-derived-backend-p backend 'latex)
>       (replace-regexp-in-string  "½" "\\sfrac{1}{2}" text)))
> #+END_SRC

You must add a double escape character to the backslash:

...
      (replace-regexp-in-string  "½" "\\\\sfrac{1}{2}" text)))
...

Regards,

Juan Manuel