18 lines
562 B
Text
18 lines
562 B
Text
\catcode`@=11 % borrow the private macros of PLAIN (with care)
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\def\W#1{W_{\!\!#1}}
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\def\fftcases#1{\left\{\,\vcenter{\m@th\baselineskip=18pt
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\ialign{$##\hfil$&\quad##\hfil\crcr#1\crcr}}\right.}
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\input epsf
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\setlength\fboxrule{.4\p@}
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\newlength{\chpicsize}
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\setlength{\chpicsize}{30pc}
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\addtolength{\chpicsize}{-\fboxrule}
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\addtolength{\chpicsize}{-\fboxrule}
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\def\chpic#1{\begingroup%
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\def\epsfsize##1##2{##1}
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\fboxsep=0pt
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\vbox{\noindent%
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\fbox{\vbox{\hbox to \chpicsize{\hfil\vbox to \chpicsize{\vfil%
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\epsfbox{#1}\vfil}\hfil}}}}\endgroup}
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