bug#763: multi-part images vs. image-mode

[Jason Rumney]

Stefan Monnier wrote:
> > > http://www.npbmto.gov.tw/NPBO_C/Web/Data/Board/456-4.tif has seven parts,
> > > $ identify 456-4.tif
> > > 456-4.tif[0]
> > > 456-4.tif[1]...
> > > but using image-mode, one would never see or know more than the first.
> > >
> > >       
> > I've added the same support that we currently have for multi-image GIF files
> > to the TIFF support in CVS trunk.
> >     
>
>   
> > This doesn't really help the user discover that multiple images exist, and
> > there isn't currently a convenient way for non-programmers to select such
> > subimages for display, so I'm leaving this open as a wishlist for now.
> >     
>
> I can't find information about how to display (in Elisp) the
> various images.  Could someone clue me in as to where to find that info
> (etc/NEWS or Elisp manual) or if it's not there, could someone add
> it there?
>   

In the elisp manual there is an existing description of the :index 
property for GIF images. That description now also applies to TIFF. 
There isn't currently a user-level method of displaying these.