[Problem] Incompatibility between PSTricks 97 and `poster'

[Denis Girou]

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    D.G.> .................................................................
    D.G.> or better to update poster.tex:

    D.G.> \def\poster at savepage{%
    D.G.> % DG/SR modification begin - Jan. 5, 1998
    D.G.>     \@begindvi
    D.G.> % DG/SR modification end

  Brightful! But it work only with LaTeX and more it obviously break `poster'
in plain TeX mode, as `poster' is a generic package not LaTeX dependent
and as of course \@begindvi is not defined in plain TeX...

  This one seems better:

\def\poster at savepage{%
% DG/SR modification begin - Jan. 8, 1998
    \ifx\textsuperscript\@undefined
      \special{header=pstricks.pro}
    \else
      \@begindvi
    \fi
% DG/SR modification end

D.G.

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