Re: FO: Vertical alignment in <fo:flow>

> 
> I wonder what the principles are for vertical alignment in <fo:flow>. I'm
> making presentation slides and would like the content, which is often just
> a couple of words per slide, center aligned both horizontally and
> vertically. My first idea was something like this:
> 
> <fo:flow>
>   <fo:block-container
>     text-align="center"
>     display-align="center"
>     height="170mm">
>     ...
>   </fo:block-container>
> </fo:flow>
> 
> But neither height nor display-align seem to makes any difference here. Is
> this what absolute-position="fixed" is meant for? Can anyone give an
> example of which properties are involved?

Gustaf,

the markup requires that this particular block-conteiner is 170mm in height
and its content is centered in both vertical and horizontal directions. 
If height does not work, then you are using a processor that does not support
this attribute. XEP v3 supports it. XEP v2 didn't.

David

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