%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-5-41 on page I-232 in "enotez --- Endnotes, an alternative to footnotes".
%%
%% 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{138.0pt}

  % for the book examples we shorten the vertical spaces
  \makeatletter
  \renewcommand\section{\@startsection{section}{1}{\z@}%
    {-1.25ex \@plus-1ex \@minus-.2ex}{.5ex}%
    {\normalfont\large\bfseries}}
  \makeatother

%StartShownPreambleCommands
\usepackage{enotez}
\setenotez{reset,counter-format=alph}
\renewcommand\enotezwritemark[1]{\textsuperscript{#1)}}
\renewcommand\enmark[1]{#1)}
%StopShownPreambleCommands

\begin{document}
This is simple text.\endnote{The first endnote.}
This is simple text.\endnote{The second endnote with
  more than one line of text to show the formatting
  in the note section.}  Some more text with a
mark.\endnote[\textdagger]{A note with custom mark}
\printendnotes[description]
\end{document}