% 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 33.4.4, p. IV-47.
% Original source in file "ointro.TEX", starting line 508.
\wlog{L: "npright.tip" ["ointro.TEX," l. 508, p. IV-47]}%
% This file DOES belong to format "texip."
\def\NewPageRightHand{% 
    \vfill\supereject
    \ifodd\count0
    \else
        \hbox{}
        \vfill\eject
    \fi
}
\def\ShouldBeRightHandPage{%
    \ifodd\count0
    \else
        \errmessage{\string\ShouldBeRightHandPage:
            current page number is \the\count0.
            Should be odd and NOT EVEN.}%
        \NewPageRightHand
    \fi
}
\def\NewPageLeftHand{%
    \vfill\supereject
    \ifodd\count0
        \hbox{}
        \vfill\eject
    \fi
}