Re: Future of DSSSL: What about PDF?

Subject: Re: Future of DSSSL: What about PDF?
From: Carlos Villegas <cav@xxxxxxxxxxxxxx>
Date: Sat, 06 Mar 1999 13:56:09 +0900
Avi Kivity wrote:
> document ---> dsssl engine <---> formatter ---> pdf/ps/win32 gdi/X

I also thought this is the best approach to the problem. No trivial
task. 
If the formatter can write to a format independent page description
language,
then it should be easy to write backends to the backend!

> look at general-indirect-sosofo and page-model - I don't believe they can be
> implemented via tex (they certainly can't be implemented via rtf)
> 

As I understand the page-sequence FOs are not currently implemented by
Jade. Though, James has said, implementing the front end part of it
should be relatively easy, however no backend can currently support
the DSSSL page model. 

Where can I get some examples on using the page-sequence FOs? It's
difficult for me to understand how they should work from the spec.
And since there are no tools to play with...

I thought about attempting to design such a formatter some time ago.
However, it's been only that, just an attempt!
One of the key points, of course,  is to implement the DSSSL 
page model and the synchronization flow objects from the start, 
then a simple-page-sequence would be implemented in terms of the 
more general page-sequence. There's no gain on not implementing
the page model, we already have that. 
However, after reading the spec several times about the page
model, I need some practical examples, to make sure I have
the correct interpretation.


Carlos Villegas
Uniscope, Inc.

"Ojos que no ven, corazon que no siente"


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