Macにtex環境

sudo port install pTeX +utf8 +motif

としてplatexをインストール．

pTeX has the variants:
   euc: Set the default character encoding to EUC-JP
     * conflicts with sjis utf8
[+]motif: Use Motif to build xdvi
     * conflicts with nextaw no_x11 xaw xaw3d
   nextaw: Use neXtaw to build xdvi
     * conflicts with motif no_x11 xaw xaw3d
   no_hiragino: Do not depend on Hiragino fonts
   no_otf: Do not install otf.sty
   no_x11
     * conflicts with motif nextaw xaw xaw3d
   sjis: Set the default character encoding to Shift_JIS
     * conflicts with euc utf8
[+]utf8: Set the default character encoding to UTF-8
     * conflicts with euc sjis
   xaw: Use Xaw to build xdvi
     * conflicts with motif nextaw no_x11 xaw3d
   xaw3d: Use Xaw3d to build xdvi
     * conflicts with motif nextaw no_x11 xaw