%%
%% The LaTeX Companion, 3ed
%%
%% Example 7-4-1 on page I-539 in "Controlling the float caption".
%%
%% 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{207.0pt}

% for the book examples we shorten the
% vertical spaces and use a smaller font for
% the heading
\makeatletter
\renewcommand\section{\@startsection{section}{1}{\z@}%
                                    {-1.25ex \@plus-1ex \@minus-.2ex}%
                                    {.5ex}%
                                    {\normalfont\large\bfseries}}
\makeatother

%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\listoffigures

\section{Caption}
Figures \ref{Fig1} and \ref{Fig2}
have captions.

\begin{figure}[ht] \centering
\fbox{\small A small Figure}
\caption{Short caption text}\label{Fig1}
\end{figure}
\begin{figure}[ht] \centering
\fbox{\small Another small Figure}
\caption[Short entry in lof]
 {Long caption text with some explanation
   that this figure is important even
   though it is small.}\label{Fig2}
\end{figure}
\end{document}