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% From mitthesis package
% Documentation: https://ctan.org/pkg/mitthesis
\ProvidesFile{mitthesis-libertine.tex}[2023/09/12 v1.02 Load Libertine and related fonts]
%% Linux Libertine (serif) text font with newtxmath[libertine] (pdftex) or Libertinus (unicode) math font
%
% These fonts are available here https://ctan.org/tex-archive/fonts/libertine/opentype
% and here https://github.com/alerque/libertinus
% install these as system fonts on your computer
%
\ifpdftex
\typeout{^^JLoading newtx-libertine text and math fonts with Insolata typewriter font^^J}
\RequirePackage[lining,semibold]{libertine}
\RequirePackage[T1]{fontenc}
\RequirePackage[varqu,varl]{inconsolata}% typewriter
% \usepackage{amsthm}% must be loaded before newtxmath
\RequirePackage[libertine,vvarbb]{newtxmath}
\RequirePackage{bm}% load after all math to give access to bold math
\else
\typeout{^^JLoading Linux Libertine (serif) text font with Libertinus math font^^J}
%
\RequirePackage[warnings-off={mathtools-colon,mathtools-overbracket}]{unicode-math}
% suppress tiresome warnings about lack of integration between mathtools and unicode-math
% unicode math loads the fontspec package
%
\setmainfont{LinLibertine}[% Linux Libertine O
Extension = .otf,
UprightFont = *_R,
ItalicFont = *_RI,
BoldFont = *_RZ, % Libertine O Semibold
BoldItalicFont = *_RZI, % Libertine O Semibold Italic
% Ligatures=Rare,% TeX
% Numbers=OldStyle,%
RawFeature={+ss05},% +ss02 would change J, K, R; +ss05 changes W
]
\setmonofont{LinLibertine}[% Linux Libertine Mono O
Scale=0.9,
Extension = .otf,
UprightFont = *_M,
ItalicFont = *_MO,% oblique
BoldFont = *_MB,
BoldItalicFont = *_MBO,% oblique
]
\setsansfont{LinBiolinum}[% Linux Biolinum O
Extension = .otf,
UprightFont = *_R,
ItalicFont = *_RI,
BoldFont = *_RB,
BoldItalicFont = *_RBO,% oblique
Scale=MatchUppercase]
%
%% a Libertine-style math font
\setmathfont{libertinusmath-regular}[%
Extension = .otf,
Scale=MatchUppercase,
BoldFont = *,% This font lacks a bold version
RawFeature={+ss08},% +ss08 gives slanted integrals (no other features)
]
\newcommand*{\FRAC}[1]{{\addfontfeature{Fractions=On}#1}}% use OpenType feature for fractions, \FRAC{1/2}
\fi
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