%%
%% The LaTeX Companion, 3ed
%%
%% Example 9-6-15 on page I-720 in "Vertical positioning 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{135.0pt}
%!TEX program = lualatex
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{fontspec} \setmainfont{Erewhon}[Fractions=On]
\setsansfont{Lato}[Fractions=On]
\setmonofont{IBM Plex Mono}[Fractions=On]
%StopShownPreambleCommands
\begin{document}
1/2 2/3 47/11 1/1000 but note: a/b 1/n\par
\sffamily 1/2 2/3 47/11 1/1000 okay here: a/b 1/n\par
\ttfamily 1/2 2/3 47/11 1/1000 a/b 1/n
\end{document}
