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+\def\testfileincipit{Test file to accompany \texttt{mathastext}
+version \texttt{1.3w} of \texttt{2019/11/16}}
+%%----------------------------------------------------------------
+%% Package: mathastext
+%% Info: Use the text font in math mode (JFB)
+%% Version: 1.3w 2019/11/16
+%% License: LPPL 1.3c (http://www.latex-project.org/lppl/lppl-1-3c.txt)
+%% Copyright (C) 2011-2019 Jean-Francois Burnol <jfbu at free dot fr>
+%% Examples of use of mathastext:
+%% http://jf.burnol.free.fr/mathastext.html
+%% http://jf.burnol.free.fr/showcase.html
+%%----------------------------------------------------------------
+%% This file `mathastexttestunicodelinux.tex' is for testing the use
+%% of the package `mathastext' with the unicode engines XeTeX or LuaLaTeX.
+%%
+%% Fonts which were available on a Linux machine are used. Beware that
+%% compilation with LuaLaTeX will abort with errors if specified fonts do not
+%% exist on your system.
+%%
+%% See `mathastext.dtx' for the copyright and conditions of distribution or
+%% modification.
+%%
+\documentclass{article}
+\usepackage[hscale=0.8]{geometry}
+\usepackage{multicol}
+\usepackage[no-math]{fontspec}
+\usepackage{lmodern}
+\usepackage{metalogo}
+\usepackage{iftex}
+\ifXeTeX
+\expandafter\def\expandafter\testfileincipit\expandafter
+ {\testfileincipit\ (compiled with \XeLaTeX)}
+\else
+\ifLuaTeX
+\expandafter\def\expandafter\testfileincipit\expandafter
+ {\testfileincipit\ (compiled with \LuaLaTeX)}
+\fi\fi
+\usepackage[subdued,italic,asterisk]{mathastext}
+\setmainfont[Color=999999]{Verdana} \Mathastext[Verdana]
+\setmainfont[Color=0000FF]{Arial} \Mathastext[Arial]
+\setmainfont[Color=00C000]{DejaVu Serif} \Mathastext[DejaVu]
+\setmainfont[Color=FF0000]{Andale Mono} \Mathastext[Andale]
+%% commented out as these fonts do not exist anymore on the Linux box
+%% I have access to (test last done 2016/01/15)
+%%\setmainfont[Color=C000C0]{URW Chancery L} \Mathastext[Chancery]
+%%\setmainfont[Color=800080]{URW Palladio L} \Mathastext[Palladio]
+\setmainfont[Color=808000]{Liberation Serif} \Mathastext[Liberation]
+\MTDeclareVersion{Times}{T1}{ptm}{m}{n}
+\begin{document}
+\MTversion{normal}
+\testfileincipit
+
+This test uses \verb|mathastext| with its \emph{italic}, \emph{asterisk}, and
+\emph{subdued} options. The base document fonts are the Latin Modern ones (in
+OpenType format). The other OpenType fonts were chosen from those available on
+a Linux machine. We also used the Times font in traditional \TeX\ font T1
+encoding, to demonstrate the removal since release \texttt{1.3u} of a former
+limitation that all math versions had to share the same font encoding, else
+some characters such as the dotless \texttt{i} ($\imath$), or the minus sign
+could well vanish from the output in the non-normal math versions.
+
+Furthermore we test (last line of each block, on the left) if the non-letter
+characters obey the math alphabet \verb|\mathbf|. In the normal and bold math
+versions, this feature is de-activated, as option \emph{subdued} was used; and
+if activated we should then use in these math versions the package
+\verb|\Mathbf| rather than \verb|\mathbf| which is there still the original
+one, which will use encoding \verb|OT1| in the normal and bold versions, as we
+loaded \verb|fontspec| with its option \emph{no-math}.
+
+Some among the fonts tested have no bold variant or no italic variant.
+
+Note: the two unicode engines \XeLaTeX\ and \LuaLaTeX\ give likely not fully
+identical results particularly for the math mode. At least this is what I
+observed regularly over the years with the variant of this file prepared for
+fonts available on Mac OS, which is my main system where I develop
+|\mathastext|. Lastly for example (TL2019, august 2019), \LuaLaTeX\ could not
+find the bold variant of some system font, but \XeLaTeX\ did. And the spacing
+for the letters of the Didot font was vastly different between the two
+engines.
+
+\newcommand\TEST[1]{\MTversion{#1}\def\tmpa{#1}%
+ \def\tmpb{normal}\def\tmpc{bold}%
+ \ifx\tmpa\tmpb\else\ifx\tmpa\tmpc\else \MTnonlettersobeymathxx
+ \MTexplicitbracesobeymathxx\fi\fi
+\begin{multicols}{2}
+\hbox to\columnwidth{\hbox to\columnwidth{\hfil
+ $abcdefghijklmnopqrstuvwxyz$\hfil}\kern-2.5em{#1}}
+ \centerline{ $ABCDEFGHIJKLMNOPQRSTUVWXYZ$ }
+ \centerline{ $0123456789$ }
+ \centerline{ $!\,?\,*\,,\,.\,:\,;\,+\,-\,=\,(\,)\,[\,]\,/\,\#\,%
+ \$\,\%\,\&\,<\,>\,|\,\{\,\}\,\backslash$ }
+ \centerline{ $\mathbf{!\,?\,*\,,\,.\,:\,;\,+\,-\,=\,(\,)\,[\,]\,/\,\#\,%
+ \$\,\%\,\&\,<\,>\,|\,\{\,\}\,\backslash}$ }
+\columnbreak
+ \centerline{ abcdefghijklmnopqrstuvwxyz }
+ \centerline{ ABCDEFGHIJKLMNOPQRSTUVWXYZ }
+ \centerline{ 0123456789}
+ \centerline{ !\,?\,*\,,\,.\,:\,;\,+\,-\,=\,(\,)\,[\,]\,/\,\#\,%
+ \$\,\%\,\&\,<\,>\,|\,\{\,\}\,\char92 }
+ \centerline{\bfseries !\,?\,*\,,\,.\,:\,;\,+\,-\,=\,(\,)\,[\,]\,/\,\#\,%
+ \$\,\%\,\&\,<\,>\,|\,\{\,\}\,\char92 }
+\end{multicols}}
+\begin{multicols}{2}
+ \centerline{\textbf{math mode}}
+\columnbreak
+ \centerline{ \textbf{text} }
+\end{multicols}
+\TEST{DejaVu}
+\TEST{Verdana}
+\TEST{Andale}
+%%\TEST{Palladio}
+\TEST{Arial}
+%%\TEST{Chancery}
+\TEST{Liberation}
+\TEST{bold}\TEST{normal}\TEST{Times}
+\end{document}
+\endinput
+%%
+%% End of file `mathastexttestunicodelinux.tex'.