%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-5-4 on page I-207 in "Using standard footnotes".
%%
%% 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{183.0pt}
\setlength\textheight{11\baselineskip}

%StartShownPreambleCommands

%StopShownPreambleCommands

\begin{document}
\noindent Main text with a
  footnote\footnote{\label{A}At bottom} \ldots
\begin{center}
 \begin{minipage}{.8\linewidth}
  Footnotes in a minipage are numbered using
  lowercase letters.\footnote{\label{B}Inside
    minipage} This text references a footnote
  at the bottom\footref{A} of the page.
  And another\footnote{Inside again} note.
 \end{minipage}
\end{center}
\ldots{} main text referencing minipage
footnote.\footref{B}
\end{document}
