From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rasmus <rasmus@gmx.us>
Subject: Re: Bug: When exporting to PDF an Org file where multiple footnotes
 share the same definition, only the first footnote is clickable [8.3.4
 (8.3.4-39-ge0acd8-elpaplus @
 /home/jorge/.emacs.d/elpa/org-plus-contrib-20160418/)]
Date: Mon, 25 Apr 2016 10:38:52 +0200
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Jorge Peixoto de Morais Neto <jorge13515@gmail.com> writes:

> Line1.[fn:1]
>
> \pagebreak
>
> Line2.[fn:1]
> * Footnotes
> [fn:1] Footnote.
> ------------------------------------------------------------------------
> In the generated PDF, the second footnote reference (on page 2) is not
> clickable.  If this happened on a large document, how would the reader
> locate the footnote definition?

Currently, that's not possible in Org.  You could something like this,

     Line1.[fn:1]

     \pagebreak

     Line2 (see footnote [[f1]])
     * Footnotes
     [fn:1] <<f1>> Footnote.

You could also settle for user labels,

     # -*- org-latex-prefer-user-labels:t -*-
     #+latex_header: \usepackage{scrextend}
     #+macro: fnref (eval (if (org-export-derived-backend-p org-export-current-backend 'latex) (format "@@latex:\\footref{%s}@@" "$1") "<<$1>>"))
     Line1.[fn:1]

     #+latex: \pagebreak

     Line2.{{{fnref(f1)}}}
     * Footnotes
     [fn:1] <<f1>> Footnote.


Ultimately, I think a decent fix would be to add a prefix to
org-latex--label for targets pointing to footnotes.  They should be
prefixed with "fn:".  Then, it should be easy to hack together a filter.

Rasmus

-- 
A page of history is worth a volume of logic