From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: Help resolving CUSTOM_ID based links that point to outside
 current subtree scope
Date: Tue, 01 Aug 2017 10:25:57 +0200
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	(Kaushal Modi's message of "Fri, 28 Jul 2017 19:19:03 +0000")
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To: Kaushal Modi <kaushal.modi@gmail.com>
Cc: emacs-org list <emacs-orgmode@gnu.org>

Hello,

Kaushal Modi <kaushal.modi@gmail.com> writes:

> Ah! I made a typo in the example above; here's the corrected one:
>
> * Link source
> :PROPERTIES:
> :EXPORT_FILE_NAME: link-source
> :END:
> - Link to [[#link-dest][Link dest]]
> * Link dest
> :PROPERTIES:
> :EXPORT_FILE_NAME: link-dest
> :CUSTOM_ID: link-dest
> :END:
>
> ("Link source" and "Link dest" subtrees are at the same level. So exporting
> just "Link source" subtree does not 'see' the "Link dest" subtree.)

I guess you could write a function that changes custom ID links into
external links prior to export, e.g., within
`org-export-before-parsing-hook'.

Regards,

-- 
Nicolas Goaziou