From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Lechtenboerger <lechten@wi.uni-muenster.de>
Subject: Re: [RFC] Fixing link encoding once and for all
Date: Fri, 01 Mar 2019 10:40:26 +0100
Message-ID: <87d0nbvsol.fsf@wi.uni-muenster.de>
References: <87tvguyohn.fsf@nicolasgoaziou.fr>
	<CAKuG=vsnXcKuJsenN4FPXC1FHUOU4-iZb0et-psp3k_ncaMv3A@mail.gmail.com>
	<87sgw9cxr8.fsf@nicolasgoaziou.fr>
	<CAKuG=vuBuugR1ZdDaxeCKKcmTGHUd5WBE+ufWUy=Cf1YxDGPNw@mail.gmail.com>
	<87lg1znh9t.fsf@nicolasgoaziou.fr> <87k1hjvvfl.fsf@wi.uni-muenster.de>
	<87d0nbnfbz.fsf@nicolasgoaziou.fr>
Mime-Version: 1.0
Content-Type: text/plain
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([209.51.188.92]:38282)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <lechten@wi.uni-muenster.de>) id 1gzeen-0002tT-VU
	for emacs-orgmode@gnu.org; Fri, 01 Mar 2019 04:40:42 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <lechten@wi.uni-muenster.de>) id 1gzeeh-000519-1W
	for emacs-orgmode@gnu.org; Fri, 01 Mar 2019 04:40:38 -0500
Received: from zivm-wwu2-1.uni-muenster.de ([128.176.192.5]:22854
	helo=zivm-wwu2.uni-muenster.de)
	by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
	(Exim 4.71) (envelope-from <lechten@wi.uni-muenster.de>)
	id 1gzeed-0004rM-PP
	for emacs-orgmode@gnu.org; Fri, 01 Mar 2019 04:40:32 -0500
In-Reply-To: <87d0nbnfbz.fsf@nicolasgoaziou.fr> (Nicolas Goaziou's message of
	"Fri, 1 Mar 2019 09:56:00 +0100")
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-orgmode/>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=subscribe>
Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
Sender: "Emacs-orgmode"
	<emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
To: Neil Jerram <neiljerram@gmail.com>
Cc: Org Mode List <emacs-orgmode@gnu.org>

On 2019-03-01, Nicolas Goaziou wrote:

> Jens Lechtenboerger <lechten@wi.uni-muenster.de> writes:
>
>> On 2019-03-01, Nicolas Goaziou wrote:
>>
>>> 3. There will be some backward compatibility issues. We can add
>>>    a checker in Org Lint to catch most of those. For example, we could
>>>    look at URI where every percent is followed only by 25, 5B, and 5D.
>>
>> I do not understand this point.  What is special about URIs where
>> *only* those occur?  Might compatibility issues not arise if those
>> occur at all (while others such as %28 and %29 for parentheses might
>> occur without problems as well)?
>
> If a URI seems percent encoded, but only uses %25, %5B and %5D as escape
> combinations, there is a high chance that it is Org-encoded, and
> therefore uses a deprecated syntax. We could send a warning to the user
> in this case; they might want to clean the URI.
>
> OTOH, if there is %28, or %29, we are sure it isn't Org-encoded, and
> therefore, the percent-encoding was intended right from the start (like
> in your Wikipedia link).

Thanks for the clarification.  Makes sense.

Best wishes
Jens