From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleh <ohwoeowho@gmail.com>
Subject: Re: org-download.el
Date: Sun, 18 Jan 2015 12:10:03 +0100
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To: Chao Lu <loochao.list@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>

> Thanks for the detailed instruction. I just checked following your advice,
> by copying the address of the image (and by looking at the browser-ring, I
> can make sure the address has been there), then M-x org-download-yank,
> returns error: "if: Wrong type argument: number-or-marker-p, nil".
>
> Also I tried (org-download-yank "the-address-to-the-image"), which does not
> work either.
>
> Do you have any insight? Thanks.

Alright, we're getting somewhere now.

1. Have you made any customizations to `org-download`? It's easier for
me to proceed with the defaults.
2. As I'm testing now, I can get a "Wrong type argument:
   number-or-marker-p, nil" error if the org-mode file in question is
   empty or the cursor is before the first heading. Is this the case for you?
   I'll fix this case soon anyway.
3. If this doesn't work, try the following simplified function:

    (defun org-download-yank-1 ()
      (interactive)
      (let ((filename "./foo.png"))
        (org-download--image
         "https://www.google.nl/images/srpr/logo11w.png"
         filename)
        (insert (format "[[%s]]" filename))
        (org-display-inline-images)))

If this one doesn't work as well, I can proceed from there.

regards,
Oleh