[OS X TeX] pdfsync changes page breaks?
morten.hoegholm at gmail.com
Sun Jul 9 07:39:50 EDT 2006
On Sun, 09 Jul 2006 06:32:36 +0200, Ross Moore <ross at ics.mq.edu.au> wrote:
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
> using those structures (such as \special ) that TeX does provide for
> To "fix this properly", whatever that actually means, would almost
> 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
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