Hi,

I don't now how many ConTeXt user are aware of the idea of synchronization. In the 
LaTeX area of TeX it has a kind of tradition (Textures, srcltx, ...) for dvi output.

For PDF output Jérôme Laurens has now written a package (for use with iTeXMac and 
TeXShop) that makes the advantages from source-output synchronization also available 
for the todays standard PDF. But as so many things in the TeX world it is written as a 
"plug-in" for LaTeX.

Does anybody has an idea how to use this great achievement also with ConTeXt?
For those who would like to have a look at Jérôme's great work, I insert his code at 
the end of this email.

Thank you very much,

Steffen Wolfrum


%%%%  This is pdfsync.sty
%%%%  2003-12-08:
%%%%  There is a bug in using everyvbox... novbox is now the default
%%%%  bug fixed: $0$ was no visible
%%%%  2003-11-28:
%%%%  comment characters added to fix an error. Don't know exactly the cause...
%%%%  Default option is all...
%%%%  Could not use \everydisplay... (bug in eqnarray)
%%%%  2003-11-19
%%%%  first version
%%%% usage: \usepackage[display,cr,vbox]{PDFSYNC}
%%%% appends reference points before each \par and at each \hbox, inline math;
%%%% optionally also at every displayed math, with the option [display]
%%%% optionally also at every \cr, with the option [cr]
%%%% optionally also at every \vbox, with the option [vbox]
%%%%
%%%% If you want additional files to be parsed, please use the command
%%%% \include (which is redefined below)
%%%% This file is due to Piero D'Ancona and [EMAIL PROTECTED]
%%%% iTeXMac is supporting pdfsync
%%%% Copy this file to ~/Library/texmf/tex/latex or ~/Library/TeX/texmf/tex/latex if 
available
%%%% This file is distributed under the GPL and the "smart licence": please make 
things better if you can
%%%% © 2003, [EMAIL PROTECTED]
%
\NeedsTeXFormat{LaTeX2e}%
\ProvidesPackage{pdfsync}[2003/12/08 v0.3]%
\newif\ifPDFSYNCOK%
\newif\ifPDFSYNCStar%
\newif\ifPDFSYNCPar \PDFSYNCPartrue%
\newif\ifPDFSYNCMath \PDFSYNCMathtrue%
\newif\ifPDFSYNCCr \PDFSYNCCrtrue%
\newif\ifPDFSYNCHBox \PDFSYNCHBoxtrue%
\newif\ifPDFSYNCVBox \PDFSYNCVBoxfalse%
\newif\ifPDFSYNCExtra \PDFSYNCExtratrue%
\newwrite\PDFPOS%
[EMAIL PROTECTED]@folio=0%
[EMAIL PROTECTED]@rder=0%
\DeclareOption{nopar}{\PDFSYNCParfalse}%
\DeclareOption{nomath}{\PDFSYNCMathfalse}%
\DeclareOption{nocr}{\PDFSYNCCrfalse}%
\DeclareOption{nohbox}{\PDFSYNCHBoxfalse}%
\DeclareOption{novbox}{\PDFSYNCVBoxfalse}%
\DeclareOption{vbox}{\PDFSYNCVBoxtrue}%
\DeclareOption{noextra}{\PDFSYNCExtrafalse}%
\DeclareOption{nothing}{\let\pdfsyncstart\pdfsyncstop}%
\ProcessOptions\relax%
\RequirePackage{everyshi}%
\ifx\pdfsavepos\undefined%
  \wlog{Synchronization is only available with pdf. Use a dvi viewer instead.}%
  \let\pdfsyncstart\relax%
  \let\pdfsyncstop\relax%
  \let\pdfsync\relax%
  [EMAIL PROTECTED]
\else%
  \def\pdfsyncstart{\global\PDFSYNCOKtrue}%
  \def\pdfsyncstop{\global\PDFSYNCOKfalse}%
  [EMAIL PROTECTED]@folio by [EMAIL PROTECTED]
   \immediate\openout\PDFPOS\jobname.pdfsync%
    \immediate\write\PDFPOS{\jobname}%            control info
    \immediate\write\PDFPOS{version 0}%            control info
    [EMAIL PROTECTED]
    \def\PDFSYNC@@include#1{%
            \immediate\write\PDFPOS{(#1}%
            [EMAIL PROTECTED])}}%
    \let\include\PDFSYNC@@include%
    [EMAIL PROTECTED]
    \ifPDFSYNCOK%
        \pdfsavepos%
        [EMAIL PROTECTED]
        \def\position{\the\pdflastxpos\space\the\pdflastypos}%
        \ifPDFSYNCStar%
            [EMAIL PROTECTED]
        \else%
            [EMAIL PROTECTED]
        \fi%
        \expandafter\write\expandafter\PDFPOS\argument%
        [EMAIL PROTECTED] by 1%
    \fi}%
 [EMAIL PROTECTED]
  [EMAIL PROTECTED]
%  [EMAIL PROTECTED]@maketitle\pdfsyncstart}
  [EMAIL PROTECTED]@[EMAIL PROTECTED]
  [EMAIL PROTECTED]
  [EMAIL PROTECTED]@[EMAIL PROTECTED]@newline}}%
  }%
\AtBeginDocument{%
\pdfsyncstart%
\ifPDFSYNCPar\global\let\p@@[EMAIL PROTECTED]@@r}\fi%
[EMAIL PROTECTED]
\ifPDFSYNCCr\everycr [EMAIL PROTECTED]
\ifPDFSYNCHBox\everyhbox [EMAIL PROTECTED]
\ifPDFSYNCVBox\everyvbox [EMAIL PROTECTED] is a bug here
[EMAIL PROTECTED]
}%
\fi%
\endinput

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