%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-6-16 on page I-721 in "Ligature 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{111.0pt}

  %!TEX program = lualatex

  \setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage{fontspec} \setmainfont{Accanthis Adf Std No3}
%StopShownPreambleCommands

\begin{document}
`` -- --- !` ?` ''\hfill  (TeX) \\ ae Ae oe Oe\hfill (required)
   \\ fi ffi fl ffl fj ffj ft (common)                     \\
\addfontfeature{Ligatures={TeXOff,RequiredOff,CommonOff}}
`` -- --- !` ?` '' \\ ae Ae oe Oe  \\ fi ffi fl ffl fj ffj ft
\end{document}