%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-3-14 on page I-163 in "Listing your acronyms and abbreviations".
%%
%% 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{153.0pt}
% smaller headings for the example
\makeatletter
\renewcommand\section{\@startsection{section}{1}{\z@}%
                                    {-1.5ex \@plus-1ex \@minus-.2ex}%
                                    {.5ex}%
                                    {\large\bfseries}}
\makeatother
\setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage{acro}
\acsetup{list/display=all,
         pages/display=all,format/extra=\itshape}

\DeclareAcronym{aka}{short=aka,long=also known as}
\DeclareAcronym{cd}{short=CD\@,long=Compact Disc}
\DeclareAcronym{ES}{short = $\emptyset$,
    long = empty set, sort = 0}
\DeclareAcronym{etc}{short=etc\acdot,
    long=et cetera, first-style=short,tag=ignore}
\DeclareAcronym{lol}{short=LOL\@,long=laughing out loud}
\DeclareAcronym{ufo}{short = UFO\@,
    long = unidentified flying object,
    extra = Most often seen in the north}
\DeclareAcronym{zB}{short=z.B\acdot,long=zum Beispiel,
    first-style=short,tag=ignore}

%StopShownPreambleCommands

\begin{document}
\Acl{zB}: \acs{cd}, \acs{aka}, \acs{ufo}, \ac{etc}.\\
Some acronyms not used, but still listed: ES and lol.

\printacronyms[exclude=ignore,name=Abbrevs]
\end{document}