%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-6-20 on page I-724 in "Stylistic features".
%%
%% 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{87.0pt}

  %!TEX program = lualatex

  \setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage{fontspec} \setmainfont{Cormorant Garamond}
%StopShownPreambleCommands

\begin{document}
 a ä g U W w y \ae\ \textdagger\textdaggerdbl                      \\
{\addfontfeature{RawFeature=ss03}
 a ä g U W w y \ae\ \textdagger\textdaggerdbl}                     \\
Ä ä Ü ü Ö ö \\ {\addfontfeature{RawFeature=ss04} Ä ä Ü ü Ö ö}      \\
Ä ä W w y   \\ {\addfontfeature{RawFeature={ss03,ss04}} Ä ä W w y} \\
Q{\addfontfeature{RawFeature=cv01} Q}
 {\addfontfeature{RawFeature=cv02} Q}
f{\addfontfeature{RawFeature=cv05} f}                              \\
A B g J K Q R U \\ {\addfontfeature{RawFeature=salt} A B g J K Q R U}
\end{document}