% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 3.4.1, p. I-68.
% Original source in file "reg1.TEX", starting line 2088.
\wlog{L: "printco.tip" ["reg1.TEX," l. 2088, p. I-68]}%
% This file DOES belong to format "texip."
\catcode`\@ = 11
\def\arabic #1{\number#1}
\def\roman #1{%
   \romannumeral #1%
}
\def\Roman #1{%
   \ifcase #1\or
       I\or II\or III\or IV\or V\or
       VI\or VII\or VIII\or IX\or X\or
       XI\or XII\or XIII\or XIV\or XV\or
       XVI\or XVII\or XVIII\or XIX\or XX\or
       XXI\or XXII\or XXIII\or XXIV\or XV%
   \else
       \errmessage{\string\Roman: argument \number#1 out
           of range, larger than 25.}%
   \fi
}
\def\alph #1{%
   \ifcase #1%
       \or a\or b\or c\or d\or e\or f\or g\or h\or i%
   \else
       \@Morealph{#1}%
   \fi
}
\def\@Morealph #1{%
   \ifcase #1%
       \or  \or  \or  \or  \or  \or  \or  \or  \or
       \or j\or k\or l\or m\or n\or o\or p\or q\or r%
       \or s\or t\or u\or v\or w\or x\or y\or z%
   \else
       \errmessage{\string\@Morealph: argument too large.}%
   \fi
}
\def\Alph #1{%
   \ifcase #1%
   \or A\or B\or C\or D\or E\or F\or G\or H\or I%
   \else
       \@MoreAlph{#1}%
   \fi
}
\def\@MoreAlph #1{%
   \ifcase #1%
       \or  \or  \or  \or  \or  \or  \or  \or  \or
       \or J\or K\or L\or M\or N\or O\or P\or Q\or R%
       \or S\or T\or U \or V\or W\or X\or Y\or Z%
   \else
       \errmessage{\string\@MoreAlph: argument too large.}%
   \fi
}
\catcode`\@ = 12