%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-4-43 on page I-202 in "Linking \acsp {url} to external resources".
%%
%% 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{177.0pt}

  \usepackage{color} % for the book we need to load this explicitly because of
                     % the spotcolors we use (otherwise the blue will not be in
                     % the spotcolor but a ``real blue'' and thus gray)


%StartShownPreambleCommands
\usepackage[colorlinks,urlcolor=blue]{hyperref}
%StopShownPreambleCommands

\begin{document}
The \LaTeX\ project web site is: \url{https://
   www . latex-project . org}. However, writing
\urlstyle{sf}\url{latex-project.org} would produce
a link to the local file \path{./latex-project.org}
which may or may not be right.
\end{document}