Re: [docbook-apps] FO processors and box stacking (Z-axis layering)

[Jirka Kosek <jirka@kosek.cz>]

Colin Shapiro wrote:

> I am wondering why XEP does not layer boxes based on the order in which they
> are written, as FOP does (and presumably XF as well, given the examples
> posted on Ecrion's site).  Of course, with XEP, you can use z-index to fix
> this, but sometimes that is not ideal as you will then break FOP
> compatibility.

If you look at the definition of z-index property
(http://www.w3.org/TR/xsl/#z-index) you will see that specification
doesn't define how to stack objects that have the same stack level. So
it is application dependent and if you want to control it you have to
use z-index.

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