%%
%% The LaTeX Companion, 3ed
%%
%% Example A-3-7 on page II-663 in "Paragraph boxes".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{255.0pt}
%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\parbox{.3\linewidth}{This is
  the contents of the left-most
  parbox.}
\hfill CURRENT LINE \hfill
\parbox{.3\linewidth}{This is
  the right-most parbox.
  Note that the typeset text
  looks sloppy because \LaTeX{}
  cannot nicely balance the
  material in these narrow
  columns.}
\end{document}