なにが原因なのかよく分からない．

とりあえず，現在の環境のメモ．

文字コードはutf8．通常のtex->dvi->pdf, dvi->ps->pdfは問題ない（いまのところ）．

各コマンドのヴァージョン等． 

% platex
This is pTeXk, Version 3.1415926-p3.1.11 (utf8.euc) (Web2C 7.5.7)
%&-line parsing enabled.
% pdvips
This is pdvips(k) p1.7b Copyright 2008 ASCII MEDIA WORKS. ([email protected])
based on dvips(k) 5.97 Copyright 2008 Radical Eye Software (www.radicaleye.com)
dvips: Missing DVI file argument (or -f).
dvips: Try --help for more information.
% gs -v
GPL Ghostscript 8.70 (2009-07-31)
Copyright (C) 2009 Artifex Software, Inc.  All rights reserved.
% dvipdfmx
No dvi filename specified.
This is dvipdfmx-20080607 by the DVIPDFMx project team,
an extended version of dvipdfm-0.13.2c developed by Mark A. Wicks.
Copyright (C) 2002-2008 by the DVIPDFMx project team
% acroread -v
9.2
% p -i epdfview
Repository     : extra
Name           : epdfview
Version        : 0.1.7-3

まぁ，無理してしおり使う必要もないけど．

できそうで，できないから気になる．