From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: help with custom exporter
Date: Sun, 31 May 2015 02:00:59 +0200
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	(Stephen J. Barr's message of "Sat, 30 May 2015 16:49:44 -0700")
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To: "Stephen J. Barr" <stevejb@uw.edu>
Cc: emacs-orgmode@gnu.org

Hello,

"Stephen J. Barr" <stevejb@uw.edu> writes:

> I am trying to modify ox-md.el. I do not know too much emacs lisp so please
> bear with me.
>
> Hypothetically, if I want to modify the exporter to add a "THIS DOCUMENT
> BY: " at the beginning, could I do:
>
> (defun org-md-template (contents info)
>   "Return complete document string after Markdown conversion.
> CONTENTS is the transcoded contents string.  INFO is a plist used
> as a communication channel."
>   (concat "THIS DOCUMENT BY: " (plist-get info :author) "\n" contents)
> )
>
>
> However, I get an error:
>
> org-md-template: Wrong type argument: characterp, #("Stephen
>
> What is the output type of plist-get? Not a string?

:author contains a secondary string. You need to turn it into the string
with, e.g., `org-export-data'.

Regards,

-- 
Nicolas Goaziou