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From: Valeriy E. Ushakov
Subject: Re: PDF
Date: Mon, 1 Dec 1997 13:25:25 +0300

On Mon, Dec 01, 1997 at 09:45:26AM +0100, P.J. Kersten wrote:

> Is it possible to (easily) generate PDF-files with Lout? If so, please
> tell me how. If not: will it be possible in the near future?

I have been asking Jeff to implement PDF support for a couple of
months.  Native PDF output can implement useful things like clickable
crossreferences (xrefs, toc, indices).  It would be great if someone
can help implementing PDF backend so that Jeff can concentrate on the

Grepping for POSTSCRIPT (backend constant) reveals:

    $ fgrep -l POSTSCRIPT z*.c # comments added by me
    z01.c       - Supervise:StartSym, AllowCrossDb, Encapsulated, etc.
    z13.c       - Object Breaking:BreakJoinedGroup()
    z14.c       - Fill Service:Declarations
    z15.c       - Size Constraints:MinConstraint(), EnlargeToConstraint()
    z23.c       - Galley Printer:ScaleFactor()
    z24.c       - Print Service:PrintInit()
    z26.c       - Echo Service:BeginString()
    z37.c       - Font Service:Declarations

    (total 7158 lines)

And a rudimentary PDF backend without all the bells and whistles can
share a lot of code with PS backend.  I think 99.9% of engine code can
be shared as the imaging model is the same, the differences are in the
output format.

SY, Uwe
address@hidden                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen

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