% 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 30.8.5, p. III-568.
% Original source in file "pp1.TEX", starting line 1820.
\wlog{L: "ts-pager.tip" ["pp1.TEX," l. 1820, p. III-568]}%
% This file DOES belong to format "texip."
\InputD{part-cr.tip}
\InputD{rangetst.tip}
\catcode`\@ = 11
\def\@PageRef #1{%
   \def\@PageRefResult{}%
   \@ref{1}{#1}%
   \if\StringsEqualConditional{\@TheExpandedLabel}{??}%
       \def\@PageRefResult{??}%
   \else
       \if\PrefixConditional{\@TheExpandedLabel}%
                           {\TheCounter{VolumeNo}-}%
           \DropPrefix{\@TheExpandedLabel}{\TheCounter{VolumeNo}-}%
                      {\@TheShortenedLabel}%
           \edef\@PageRefResult{\@TheShortenedLabel}%
       \else
           \edef\@PageRefResult{\@TheExpandedLabel}%
       \fi
   \fi
}
\catcode`\@ = 12

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