%%
%% The LaTeX Companion, 3ed
%%
%% Example 2-4-19 on page I-93 in "nameref --- Non-numerical references".
%%
%% 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{183.0pt}

  \setcounter{section}{3}

%StartShownPreambleCommands
\usepackage{nameref}
\setcounter{secnumdepth}{1}
%StopShownPreambleCommands

\begin{document}
\section{Textual References}\label{num}
Section \Nameref{num} proves that
it is possible to reference unnumbered sections
by referencing section ``\nameref{unnum}''.

\subsection[Example]{A Small Example}\label{unnum}
The current section is referenced in
section~\ref{num}.
\end{document}