%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-1-27 on page I-276 in "Short labels --- mimicking the enumerate package".
%%
%% 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}


  \addtolength\textwidth{-23pt}

%StartShownPreambleCommands
\usepackage[shortlabels]{enumitem}
%StopShownPreambleCommands

\begin{document}
\begin{enumerate}[Task A:,noitemsep]
\item We need to explain why this example has problems!
\item We need to write   \label{bad}
  \begin{enumerate}[(1),nosep]
     \item  a summary \item good index entries.
  \end{enumerate}
\end{enumerate}
Item ``\ref{bad}'' shows what can go wrong.
\end{document}
