[OS X TeX] Typesetting plain TeX documents with /magnification gives odd results

Frank STENGEL fstengel at mac.com
Tue May 31 21:39:48 CEST 2005

Le 31 mai 05 à 17:54, Benjamin Lotto a écrit :

> Using TeXShop 2.02 under OS X 10.4.1 (Tiger) with TeX installed via  
> i-Installer.
> Typsetting plain TeX documents using \magnification=1200 (or  
> anything else other than 1000) produces odd results regarding the  
> placement of text on the page.  For example, the simple document


The problem is that after magnifying you have to reset the pdf page  
dimensions. Let me quote Bruno Voisin on the subject:

> I'm reposting here a reply to a similar question from a couple of  
> days ago. In short: replace \magnification=\magstep3 by
>     \mag=\magstep3
>     \input pdftexconfig
>     \hsize=210truemm \advance\hsize by-2truein
>     \vsize=297truemm \advance\vsize by-2.1truein
> The \hsize and \vsize here are for A4 paper, assuming 1-inch wide  
> margins (with additional 0.1 inch for the footer) which is plain  
> TeX's default.
> The idea is that, after setting a magnification using TeX's  
> primitive \mag, you need to reset not only \hsize and \vsize in  
> true units, as does plain TeX's \magnification macro, but also the  
> pdfTeX-specific parameters \pdfpageheight and \pdfpagewidth which  
> define the mediabox (the size of the sheet of paper) and possibly  
> also \pdfhorigin and \pdfvorigin. The file pdftexconfig.tex  
> (actually /Library/teTeX/share/texmf.gwtex/tex/generic/config/ 
> pdftexconfig.tex) does this, and contains values defined when  
> installing gwTeX (when you chose the paper size).

Frank STENGEL (fstengel<at>mac.com)

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