%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-2-37 on page I-318 in "Inline verbatim material".
%%
%% 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{135.0pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
 \usepackage{fancyvrb}
 \CustomVerbatimCommand\verbx{Verb}{commandchars=\|\<\>}
%StopShownPreambleCommands

\begin{document}
 \Verb*[fontfamily=courier] +\realdanger  {|emph<arg>}+

 \verbx*[fontfamily=courier]+\realdanger  {|emph<arg>}+

 \verbx+\realdanger  {|emph<arg>}+
\end{document}