On Sun, Jun 28, 2009 at 12:30 PM, Hans Hagen <pragma@wxs.nl> wrote:

> Thomas A. Schmitz wrote:
>
>> Hi all,
>>
>> I have a vague memory that there was a message (by Wolfgang Schuster?)
>> about this a couple of months ago, but I'm unable to find anything in the
>> archives. What I want: add a layer on top of the current page. This page is
>> created with the simpleslides-module, so it already contains several layers.
>> I want something on top of all that, and I seem to remember that there was
>> some option to say "typeset the current layers + this additional one." Can
>> somebody help my memory?
>>
>
> \defineoverlay[x][a]
> \defineoverlay[x][b]
>
> \setupbackgrounds ... [background={a,foreground,b}
>
b is on the top of foreground
foreground is on the top of a
a is the base layer

-- 
luigi