%%
%% The LaTeX Companion, 3ed
%%
%% Example 12-4-4 on page II-258 in "Adjusting the formula style".
%%
%% 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{351.0pt}
% typeset with lualatex
%StartShownPreambleCommands
\usepackage[math-style=ISO,bold-style=ISO]{unicode-math}
\usepackage{array,booktabs}
%StopShownPreambleCommands
\begin{document}
\small
\begin{tabular}{l@{\enspace$\to$\quad}>$l<$@{\enspace}>$l<$}
\toprule
\multicolumn{1}{l}{\ttfamily math-style}
& \multicolumn{1}{c}{\itshape Latin}
& \multicolumn{1}{c}{\itshape Greek}
\\
\midrule
\texttt{TeX} & a, b, X, Y
& \alpha, \beta,\symup \Gamma,\symup \Omega
\\
\texttt{ISO} & a, b, X, Y
& \alpha, \beta, \Gamma, \Omega
\\
\texttt{french} & a, b,\symup X,\symup Y
& \symup \alpha,\symup \beta,\symup \Gamma,\symup \Omega
\\
\texttt{upright} &\symup a,\symup b,\symup X,\symup Y
& \symup \alpha,\symup \beta,\symup \Gamma,\symup \Omega
\\
\bottomrule
\end{tabular}
\hfill
\begin{tabular}{>{\ttfamily}l@{\enspace$\to$\quad}>$l<$@{\enspace}>$l<$}
\toprule
\multicolumn{1}{l}{\ttfamily bold-style}
& \multicolumn{1}{c}{\itshape Latin}
& \multicolumn{1}{c}{\itshape Greek}
\\
\midrule
TeX &\symbfup a,\symbfup b,\symbfup X,\symbfup Y
&\symbf \alpha,\symbf \beta,\symbfup \Gamma,\symbfup \Omega
\\
ISO &\symbf a,\symbf b,\symbf X,\symbf Y
&\symbf \alpha,\symbf \beta,\symbf \Gamma,\symbf \Omega \hspace{-1em} % hide width
\\
\multicolumn{3}{c}{}
\\
upright &\symbfup a,\symbfup b,\symbfup X,\symbfup Y
& \symbfup \alpha,\symbfup \beta,\symbfup \Gamma,\symbfup \Omega
\\
\bottomrule
\end{tabular}
\end{document}
