%%
%% The LaTeX Companion, 3ed
%%
%% Example 1-3-6 on page I-19 in "Using the examples".
%%
%% 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{4\baselineskip}
%StartShownPreambleCommands
\makeatletter
\renewcommand\@makefntext[1]%
   {\noindent\makebox[0pt][r]{\@thefnmark.\,}#1}
\makeatother
%StopShownPreambleCommands

\begin{document}
A line of text\footnote{The first}
with some\footnote{The second} footnotes.
\end{document}
