[NTG-context] dvi paper-size

[Hans Hagen]

Taco Hoekwater wrote:
> 
> \PtToCm contains assignments, so it won't expand. Here is a macro
> that does basically the same, but in a different order.
> 
> \def\writepapersize{%
>    \begingroup
>    \dimen0 0.0351459804\paperwidth % 2.54/72.27
>    \dimen1 0.0351459804\paperheight
>    \special
>      {papersize={\withoutpt\the\dimen0 cm,\withoutpt\the\dimen1 cm}%
>    \endgroup
> }

we can use etex to get a fully expandable one:

\def\metricdimension#1{\the\dimexpr0.0351459804\dimexpr#1\relax\relax cm}

\def\writepapersize
   {\special{papersize=\metricdimension\paperwidth,\metricdimension\paperheight}





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