Hi Dmitry,

> org-mode has the following format for links:
>
> [[<file-name>::<text-to-search>][<link text>]]
>
> What should I do, if <text-to-search> contains ']' symbol? Like this:
>
> $form['input']

Not sure it helps in your case, but this

    * Heading containing [brackets]

    * Other heading

    Here is a link to [[Heading containing *%5B*brackets*%5D*][that
    first heading]].

works for me.