Re: DOCBOOK: alternative text for images in docbook

[Bob Stayton <bobs@caldera.com>]

On Thu, Feb 13, 2003 at 10:27:21AM +0100, Anahi Olives/UPC wrote:
> Hi,
> 
> I would like to know if there is any docbook element that allows to show an
> alternative text for images and media objects (the text that is shown when
> the mouse is on the image). I saw that equations have an "alt" element to
> do that, but what about figures, imageobjects, videoobjects, ... Is it
> possible to use callouts for this? I'm not sure of understand what callouts
> really do. Please, is there any way to do this with docbook. Thanks.

Put your alt text in a <phrase> in a <textobject> in
your <mediaobject> for the image:

<mediaobject>
  <imageobject>
    <imagedata .../>
  </imageobject>
  <textobject>
    <phrase>My alt text</phrase>
  </textobject>
</mediaobject>


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