% 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 28.3.7, p. III-462.
% Original source in file "io1.TEX", starting line 774.
\wlog{L: "input-at.tip" ["io1.TEX," l. 774, p. III-462]}%
% This file DOES belong to format "texip."
\def\InputAt #1{% 
    \catcode`\@ = 11
    \input #1
    \catcode`\@ = 12
}