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% 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 12.7.13, p. II-146.
% Original source in file "par3.TEX", starting line 1929.
\wlog{L: "prhyph.tip" ["par3.TEX," l. 1929, p. II-146]}%
% This file DOES belong to format "texip."
\InputD{shboxes.tip}
\def\PrintHyphens #1{%
    {%
        \setbox 0 = \vbox{%
            \pretolerance = -1
            \hyphenpenalty = -10000
            \hsize = 0pt
            \leftskip = 0pt
            \rightskip = 0pt
            \parfillskip = 0pt
            \parindent = 0pt
            \hfuzz = \maxdimen
            \interlinepenalty = 0
            \clubpenalty = 0
            \widowpenalty = 0
            \brokenpenalty = 0
            \hskip 0pt
            #1
        }% 
        \setbox2 = \hbox{}%
        \setbox 9 = \vbox{% 
            \unvbox 0
            \loop
                \unskip
                \setbox 1 = \lastbox
                \ifhbox 1
                    \global\setbox 2 = \hbox{% 
                        \unhbox 1
                        \discretionary{}{}{}% 
                        \unhbox 2
                    }% 
            \repeat
        }%
        \unhbox 2
    }%
}