From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: Structured links to headings with endless depth
Date: Wed, 14 Mar 2018 19:32:12 +0100
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To: ST <smntov@gmail.com>
Cc: Eric S Fraga <esflists@gmail.com>, org-mode-email <Emacs-orgmode@gnu.org>, Christian Moe <mail@christianmoe.com>, John Kitchin <jkitchin@andrew.cmu.edu>

ST <smntov@gmail.com> writes:

> Why [[file.org::#1:2:1]] is nicer than [file.org::1:2:1]]?

Because you can write something more meaningful than "1:2:1" when using
a CUSTOM_ID.

>> - it translates nicely to "id" tag in HTML.
>
> You can generate the "id" tag in HTML like this 1-2-1 (if HTML dislikes
> 1:2:1 tag)

CUSTOM_ID is built-in, without implementing anything.

> Isn't a good idea to add such a built in link type in the long term?

IMO, Org has enough internal link types. 

In particular, this one brings little value compared to CUSTOM_ID. It is
fragile wrt re-ordering, refiling, capture... It may be a headache to
export, too, because "1.2.1" may mean something entirely different once
non-exportable trees have been pruned.

No offence intended, but it really sounds like a false good idea.