[OS X TeX] pdfsync changes page breaks?

[Jerome Laurens]

Selon Morten Høgholm <morten.hoegholm at gmail.com>:

> On Sun, 09 Jul 2006 06:32:36 +0200, Ross Moore <ross at ics.mq.edu.au> wrote:
>
> Hi all,
>
> Just a small addition to all the wise things Ross already said:
>
> > It takes quite tricky macro-programming to keep this to a minimum.
> >
> >
> >> Is there some technical reason why this is not fixed, or is it that
> >> no-one has gotten around to giving it a try?
> >
> > The notions of hyperlinking and synchronisation are not something
> > that is built-in to TeX, as primitives. These are added at the level of
> > macros,
> > using those structures (such as \special ) that TeX does provide for
> > extensibility.
> >
> > To "fix this properly", whatever that actually means, would almost
> > certainly
> > require rewriting fundamental parts of the algorithms that TeX uses for
> > determining the best places for line- and page-breaks in the output.
> [...]
> > The nature of the "problem" is quite fundamental.
>
> It certainly is.
>
> The basic problem is that these things producing nodes (like \special) all
> place them in a horizontal list. The same problem happens for the color
> package. When David Carlisle presented it at a UK-TUG meeting, he had as a
> refrain, at the end of each slide: "It's not my fault!"
>
> A solution for this is to not insert the \special etc. directly but delay
> it until actually entering horizontal mode. This is done in the
> experimental galley2 module which can be fetched from the LaTeX Project
> website (choose the CVS-part of the development code).
>
> I'm not implying that you can just use that module as it is now for what
> is wanted here but if one inserts these markers by means of the tools
> provided in galley2, chances are that you will not get different line- abd
> pagebreaks.
> --

Does it allow to synchronize everymath?


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