From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <ndokos@gmail.com>
Subject: Re: What does the _ in `(defun org-element-section-parser (_) ...)'
 stands for?
Date: Thu, 11 Feb 2016 12:33:34 -0500
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Thorsten Jolitz <tjolitz@gmail.com> writes:

> John Kitchin <jkitchin@andrew.cmu.edu> writes:
>
>> On Wed, Feb 10, 2016 at 3:13 PM, Thorsten Jolitz <tjolitz@gmail.com>
>> wrote:
>>
>>     #+BEGIN_SRC emacs-lisp
>>     (defun my-foo (_)
>>     "Hello World.
>>     Argument _ unknown argument."
>>     (+ 1 1))
>>     #+END_SRC
>>
>> strange. in Emacs 25.1, I am pretty sure I get no errors from
>> checkdoc.
>
> Maybe not so strange, since I'm on:
>
> ,----
> | GNU Emacs 24.5.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.16.6)
> |  of 2015-09-10 on foutrelis
> `----
>
> And I thought with Archlinux I'm always up-to-date ...

Unless you build your own from the upstream git repo, you can never be
up to date; even so, it depends on how often you build - I build from
upstream every six months or so and my current version is

GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.14.15) of
2015-08-16

It's probably time to rebuild...

--
Nick