Re: [Orgmode] Re: Wow -- adding images to an org file

[Carsten Dominik]

On May 7, 2010, at 4:16 AM, Chris Thompson wrote:

> Nathan Neff <nathan.neff <at> gmail.com> writes:
>
> > I just saw Andreas's screenshot here:
> >
> > http://orgmode.org/worg/org-screenshots.php
> >
> > If you zoom in to his screenshot,
> > http://orgmode.org/img/screenshots/org_andreas.jpg
> >
> > You can see how he adds images to his org files.
> > All that I had to do was put this into my emacs init file:
> >
> > (defun org-dblock-write:image (params)
> >  (let ((file (plist-get params :file)))
> >     (clear-image-cache file)
> >     (insert-image (create-image file) )))
> >
> > Then, put this in an org-file:
> >
> > #+BEGIN: image :file "~/Documents/personal/foo.png"
> > #+END
> >
> > And run C-c C-c (or is it C-c C-x C-u)?
> >
> > Anyway, Cool stuff!
> >
> > --Nate
>
>
> Another way to have images in org-mode documents is to use the  
> "iimage"
> minor mode, which handles  inline images:
> http://www.netlaputa.ne.jp/~kose/Emacs/iimage.html
>
> For additional documentation:
> http://orgmode.org/worg/org-configs/org-config-examples.php#sec-2_2

At that place, I find this code:
(add-to-list 'iimage-mode-image-regex-alist (cons (concat "\\[\\[file:\ 
\(~?" iimage-mode-image-filename-regex "\\)\\]") 1))
 (defun org-toggle-iimage-in-org () "display images in your org  
file" (interactive) (if (face-underline-p 'org-link) (set-face- 
underline-p 'org-link nil) (set-face-underline-p 'org-link t)) (iimage- 
mode))
I guess I could actually add the above code to org.el, so that the  
only thing to do for a user would be to turn on iimage-mode.
What is the purpose of toggling the underline property of the link face?

- Carsten