%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 3-1-26 on page 91.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.0pt}

\sloppy % as the example columns are so small

\StartShownPreambleCommands
\usepackage{titlesec,soul}
\newcommand\allcaps[1]{\MakeUppercase{\caps{#1}}}
\titleformat{\section}[block]{\centering\sffamily}
                             {\thesection.}{.5em}{\allcaps}
\titlespacing*{\section}{0pt}{8pt}{3pt}
\capsdef{/phv///}{\scshape}{.17em}{.55em}{.4em}
\StopShownPreambleCommands
\begin{document}
\section*{A Sample Heading}
The \verb=\capsdef= declaration applies here, because the
heading definition specifies sans serif and our examples
are typeset with Times and Helvetica (\texttt{phv}).
\end{document}