初めまして。お力をお借りしたいと思います。
Mac OS X 10.6
TeXShop 2.34
タイプセットはTeX+DVI
です。以下ソースです。
¥documentclass[11pt]{jarticle}
¥usepackage[a3paper,,twocolumn,margin=2cm]{geometry}
¥setlength{¥columnsep}{1.5cm}
¥setlength{¥columnseprule}{0.2pt}
¥special{landscape}
¥usepackage[parfill]{parskip} % Activate to begin paragraphs with an empty line rather than an indent
¥usepackage{graphicx}
¥usepackage{amssymb}
¥usepackage{epstopdf}
¥DeclareGraphicsRule{.tif}{png}{.png}{`convert #1 `dirname #1`/`basename #1 .tif`.png}
¥pagestyle{empty}
¥def¥frac#1#2{{¥begingroup¥,#1¥,¥endgroup¥over¥,#2¥,}}
¥renewcommand{¥baselinestretch}{1.0}
¥begin{document}
本文
¥end{document}
・・・・・・・引用開始・・・・・・・・・・
This is pTeX, Version 3.141592-p3.1.10 (sjis) (Web2C 7.5.4)
(./2009a.tex
pLaTeX2e +0 (based on LaTeX2e patch level 0)
(/Applications/pTeX.app/teTeX/share/texmf/ptex/platex/jsclasses/jsarticle.cls
Document Class: jsarticle 2009/02/22 okumura
)
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/graphics/graphicx.sty
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/graphics/keyval.sty)
(/Applications/pTeX.app/teTeX/share/texmf/tex/latex/graphics/dvipdfmx-contrib-l
atex/graphics.sty
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/graphics/trig.sty)
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/graphics/graphics.cfg)
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/graphics/dvips.def)))
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?' option.
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/amsmath/amstext.sty
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/amsmath/amsgen.sty))
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/amsmath/amsbsy.sty)
(/Applications/pTeX.app/teTeX/share/texmf-dist/tex/latex/amsmath/amsopn.sty))
(./2009a.aux) [1] [2] (./2009a.aux) )
Output written on 2009a.dvi (2 pages, 1016 bytes).
Transcript written on 2009a.log.
2009a.dvi -> 2009a.pdf
[1sh: gs: command not found