From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sam Halliday <sam.halliday@gmail.com>
Subject: Re: migrating to the snapshot api
Date: Fri, 25 Aug 2017 09:19:49 +0100
Message-ID: <CALR_T9CdGqQExS2K2L9MEpr6Mo_+a=emR2QEgKt6rzJxxDTrNg@mail.gmail.com>
References: <CALR_T9A5a54AtogR1VnURNF5nwH5XTT+20xPWBjCUaUWQum3mQ@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:49793)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <sam.halliday@gmail.com>) id 1dl9qL-00005X-6H
	for Emacs-orgmode@gnu.org; Fri, 25 Aug 2017 04:19:54 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <sam.halliday@gmail.com>) id 1dl9qK-0006O8-3S
	for Emacs-orgmode@gnu.org; Fri, 25 Aug 2017 04:19:53 -0400
Received: from mail-vk0-x22c.google.com ([2607:f8b0:400c:c05::22c]:35888)
	by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16)
	(Exim 4.71) (envelope-from <sam.halliday@gmail.com>)
	id 1dl9qJ-0006NY-V4
	for Emacs-orgmode@gnu.org; Fri, 25 Aug 2017 04:19:52 -0400
Received: by mail-vk0-x22c.google.com with SMTP id d124so5356748vkf.3
	for <Emacs-orgmode@gnu.org>; Fri, 25 Aug 2017 01:19:50 -0700 (PDT)
In-Reply-To: <CALR_T9A5a54AtogR1VnURNF5nwH5XTT+20xPWBjCUaUWQum3mQ@mail.gmail.com>
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: emacs-org list <Emacs-orgmode@gnu.org>

Apologies for bumping this, I was wondering if anybody had any more
thoughts on migrating this backend to the latest version of org-mode?
Seems to be something changed that isn't in the migration notes...

On 21 August 2017 at 19:21, Sam Halliday <sam.halliday@gmail.com> wrote:
> Hi all,
>
> I maintain a fork of an org-mode backend for a markdown based
> publishing format
> https://github.com/fommil/dotfiles/blob/master/.emacs.d/lisp/ox-leanpub.el
>
> Which works great for the org-mode that ships with emacs 25.2.
>
> However, when I use the latest org-mode from the snapshots on even the
> most simple of files, e.g. the one line
>
> ==========
> Wibble wibble I'm a fish
> ==========
>
> I get a stacktrace like this (huge amount of data elided)
>
> ==========
> Debugger entered--Lisp error: (wrong-type-argument sequencep :back-end)
>   mapc(#[
>   mapc(#[
>   org-element-map(
>   org-export--footnote-reference-map(
>   org-export-collect-footnote-definitions(
>   org-leanpub-inner-template(
>   org-export-as(leanpub nil nil nil nil)
>   org-export-to-buffer(leanpub "*Org LEANPUB Export*" nil nil nil nil
> nil (lambda nil (text-mode)))
>   org-leanpub-export-as-markdown()
>   funcall-interactively(org-leanpub-export-as-markdown)
>   call-interactively(org-leanpub-export-as-markdown record nil)
>   command-execute(org-leanpub-export-as-markdown record)
>   execute-extended-command(nil "org-leanpub-export-as-markdown" nil)
>   funcall-interactively(execute-extended-command nil
> "org-leanpub-export-as-markdown" nil)
>   call-interactively(execute-extended-command nil nil)
>   command-execute(execute-extended-command)
> ==========
>
> From reading http://orgmode.org/Changes.html#org1e55804 I can see that
> I am supposed to remove the :export-block, which I have done locally.
>
> Can anybody see what else I need to change to be compatible with the
> latest version?
>
> Best regards,
> Sam