mailing-list for TeXmacs Users

[Joris van der Hoeven <address@hidden>]

Hi again,

On Thu, Oct 10, 2013 at 06:32:56PM +0200, Joris van der Hoeven wrote:
> On Wed, Oct 09, 2013 at 05:21:39PM -0400, Romain Lebreton wrote:
> > I am trying to understand how the overlays work. The example from
> > man-beamer-overlays suggests that overlays enable you to easily
> > replace something (e.g. x) by another thing (e.g.
> > <with|font-color|red|x>). I tried and I found no way of doing it.
> > How could I do such a thing ?
> 
> If the replacement text has exactly the same size,
> then you may use the "Compressed overlays"
> (hidden markup is suppressed, not merely phantomized),
> first enter the black text (say only visible on slide 1),
> next the same red text (say only visible on slides >= 2).
> 
> Alternatively, when opting for standard overlays,
> you may use the superpose tag, put the black text
> in the first child and the red text in the second.
> 
> > Also I have another question. When some overlay is not visible,
> > because you used for instance <overlay-this| >, this overlay still
> > takes its space, as the <phantom| > would do. How could make it
> > totally disappear from the rendering, as would the command <hidden| > do ?
> 
> There are three variants of overlays:
> 
>   - Standard   (disabled text is phantomized).
>   - Compressed (disabled text is hidden).
>   - Greyed     (disabled text is greyed).
> 
> Best wishes, --Joris

I added some further tags for overlays, which should further simplify
achieving the above 'black to red' effect, and several other ones.
Please read the provided documentation.

Best wishes, --Joris