%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-6-8 on page I-244 in "fixme --- A slightly different approach to todos".
%%
%% 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}


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

  \setlength\marginparwidth{55pt}
  \addtolength\textwidth{-\marginparwidth}   % make room on the page
  \addtolength\textwidth{-\marginparsep}     % in the book example

%StartShownPreambleCommands
\usepackage[draft]{fixme}
%StopShownPreambleCommands

\begin{document}
If normal notes
\begin{anfxnote}{Summary}
 A really long comment possibly involving
 \verb=\verb=, etc.\ \ldots{} that
 automatically becomes an inline note
\end{anfxnote}
are not enough then try
\fxfatal*{Change this}{environments}.
\end{document}