Org-file's math rendering fails on $\leftrightarrow$ (`$\leftrightarrow$`).

[garid3000]

In, Org-file $\leftrightarrow$ (\leftrightarrow) don't render correctly.

Please take a look at following two:

• asdf.org
• asdf.md

the \leftrightarrow renders correctly in md but not in org