There are also some other alternatives on the emacs-devel list from when
I asked as a general question regarding package.el and dependencies.

Should be noted that this issue is primarily caused because, fro the
package.el perspective, org-plus-contrib is different to the org
package. Other ELPA/MELPA/etc packages have org as a dependency and not
org-plus-contrib. There is no support in package.el for alternative

I would be interested in understanding the rationale for having
org-plus-contrib rather than just an org package and an org-contrib
package? It should be possible to just have an org-contrib package which
depends on an org package (of same version). This would then avoid this
issue. As this is an obvious solution, I suspect there is something
subtle which unpins the rationale to have an org and org-plus-contrib
package approach, but don't know what that is.


Thomas S. Dye writes:

> In case it is useful, here is Achim's post:
> From: Achim Gratz
> To:
> Subject: Re: [O] Stable releases
> Flags: replied, seen, list
> Date: Sat Aug 22 07:44:14 2015
> Maildir: /TSDYE/INBOX
> List:
> Thomas S. Dye writes:
>> I do have a technical question that you or someone else on the list
>> might be able to answer for me.  When I downloaded the Babel languages
>> from melpa just now, the elpa version of Org mode was also downloaded
>> and installed, even though I didn't ask for it.  Why is this?
> Although you don't say which package you tried, I would guess that the
> "org" package is specified as a dependency, likely with some minimum
> version.
>> Can it be disabled? Must the elpa Org mode be installed and activated
>> in order for the Org mode packages to work?
> From the point of package manager anything installed from the outside
> doesn't exist.  You can fake that in various way, for instance by
> creating a package directory "org-21991231" and putting an org-pkg.el
> with
> (define-package "org" "21991231" "Fake Org package for dependency resolution" 
> 'nil)
> in it.
> Regards,
> Achim.
> --
> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+
> Waldorf MIDI Implementation & additional documentation:
> Achim Gratz writes:
>> Adam Porter writes:
>>> I've had the same problem, I have to manually delete the extra org
>>> package now and then.  I wonder if a dummy package would prevent
>>> package.el from reinstalling it...
>> Yes it does and I've provided instructions on how to do that quite some
>> time ago on this list.
>> Regards,
>> Achim.

Tim Cross

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