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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{plex-serif}
[2019/04/23 (Bob Tennent) Style file for IBMPlexSerif fonts]
\RequirePackage{ifxetex,ifluatex,xkeyval,textcomp}
\newif\ifplexserif@otf
\ifxetex
\plexserif@otftrue
\else\ifluatex
\plexserif@otftrue
\else % [pdf]LaTeX
\plexserif@otffalse
\fi\fi
\newcommand*{\IBMPlexSerif@scale}{1}
\DeclareOptionX{scale}{\renewcommand*{\IBMPlexSerif@scale}{#1}}
\DeclareOptionX{type1}{\plexserif@otffalse}
\DeclareOptionX{thin}{\edef\mdseries@rm{ul}\def\plexserif@medstyle{Thin}}
\DeclareOptionX{t}{\edef\mdseries@rm{ul}\def\plexserif@medstyle{Thin}}
\DeclareOptionX{extralight}{\edef\mdseries@rm{el}\def\plexserif@medstyle{ExtraLight}}
\DeclareOptionX{el}{\edef\mdseries@rm{el}\def\plexserif@medstyle{ExtraLight}}
\DeclareOptionX{light}{\edef\mdseries@rm{l}\def\plexserif@medstyle{Light}}
\DeclareOptionX{l}{\edef\mdseries@rm{l}\def\plexserif@medstyle{Light}}
\DeclareOptionX{text}{\edef\bfseries@rm{text}\def\plexserif@boldstyle{Text}}
\DeclareOptionX{tx}{\edef\bfseries@rm{text}\def\plexserif@boldstyle{Text}}
\DeclareOptionX{textmd}{\edef\mdseries@rm{text}\def\plexserif@medstyle{Text}}
\DeclareOptionX{txmd}{\edef\mdseries@rm{text}\def\plexserif@medstyle{Text}}
\DeclareOptionX{medium}{\edef\bfseries@rm{mb}\def\plexserif@boldstyle{Medium}}
\DeclareOptionX{m}{\edef\bfseries@rm{mb}\def\plexserif@boldstyle{Medium}}
\DeclareOptionX{semibold}{\edef\bfseries@rm{sb}\def\plexserif@boldstyle{SemiBold}}
\DeclareOptionX{sb}{\edef\bfseries@rm{sb}\def\plexserif@boldstyle{SemiBold}}
\ProcessOptionsX\relax
\ifplexserif@otf
\RequirePackage{fontspec}
\def\plexserif@medstyle{Regular}
\def\plexserif@boldstyle{Bold}
\else % type1
\RequirePackage{fontenc,fontaxes,mweights}
\def\bfseries@rm{b}
\def\mdseries@rm{m}
\fa@naming@exception{figures}{{superior}{proportional}}{Sup}
\fa@naming@exception{figures}{{superior}{tabular}}{Sup}
\def\sufigures{\@nomath\sufigures
\fontfigurestyle{superior}\selectfont}
\DeclareTextFontCommand{\textsu}{\sufigures}
\let\textsuperior\textsu
\fi
\ifplexserif@otf
\def\plexserif@regular{Regular}
\ifxetex\XeTeXtracingfonts=1\fi
\defaultfontfeatures{
Ligatures = TeX ,
Scale = \IBMPlexSerif@scale ,
Extension = .otf }
\setmainfont
[ UprightFont = *-\plexserif@medstyle ,
ItalicFont = *-\ifx\plexserif@medstyle\plexserif@regular
Italic
\else\plexserif@medstyle Italic\fi ,
BoldFont = *-\plexserif@boldstyle ,
BoldItalicFont = *-\plexserif@boldstyle Italic ]
{IBMPlexSerif}
\newfontfamily\plexserif
[ UprightFont = *-\plexserif@medstyle ,
ItalicFont = *-\ifx\plexserif@medstyle\plexserif@regular
Italic
\else\plexserif@medstyle Italic\fi ,
BoldFont = *-\plexserif@boldstyle ,
BoldItalicFont = *-\plexserif@boldstyle Italic ]
{IBMPlexSerif}
\else % type1
\def\plexseriffamily{IBMPlexSerif-TLF}
\newcommand*\plexserif{\fontfamily{\plexseriffamily}\selectfont}
\def\rmdefault{\plexseriffamily}
\def\seriesdefault{\mdseries@rm}
\fi
\ifplexserif@otf
% turn off defaults in case other fonts are selected:
\defaultfontfeatures{}
\fi
\endinput
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