%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-2-40 on page I-320 in "Inline verbatim material in dangerous places".
%%
%% 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{159.0pt}

  \setlength\textheight{4\baselineskip}

  \usepackage{microtype}  % improve h&j in example

%StartShownPreambleCommands
\usepackage{fancyvrb}
%StopShownPreambleCommands

\begin{document}
\VerbatimFootnotes
A bit of text to give us a reason to use a
footnote.\footnote{Here is proof: \verb=\danger{%_^}=}
Was this good enough?
\end{document}