A package to make everyshi compatible with tate-mode of pTeX.

pxeveryshi.sty

% pxeveryshi.sty
\NeedsTeXFormat{pLaTeX2e}
\ProvidesPackage{pxeveryshi}
\RequirePackageWithOptions{everyshi}
%
\def\@EveryShipout@Output{%
  \setbox8\vbox{%
    \yoko
    \@EveryShipout@Hook
    \@EveryShipout@AtNextHook
    \global\setbox\@cclv=\box\@cclv
  }%
  \gdef\@EveryShipout@AtNextHook{}%
  \@EveryShipout@Org@Shipout\box\@cclv
}
%% EOF

test-pxeveryshi.tex

% Example: use TikZ in tate-mode
% http://oku.edu.mie-u.ac.jp/~okumura/texfaq/qa/56760.html
\documentclass{tarticle}
\usepackage[dvipdfmx]{graphicx}
\usepackage{tikz}
\usepackage{pxeveryshi}
\begin{document}
\begin{tikzpicture}
 \draw (0,0) -- (1,2);
\end{tikzpicture}
\end{document}