\ProvidesPackage{libertine}[%
  2022/09/12 (Bob Tennent) Supports Libertine and Biolinum fonts for all LaTeX engines.] 

%  with (partial) compatibilty with libertine-type1, biolinum-type1,    
%  libertine, libertine-legacy and libertineotf packages                

\RequirePackage{ifxetex,ifluatex,xkeyval,textcomp}

\newif\iflibertine@otf
\ifxetex
  \libertine@otftrue
\else\ifluatex
  \libertine@otftrue
\else  % [pdf]LaTeX
  \libertine@otffalse
\fi\fi

\newif\iflibertine@sf \libertine@sftrue
\newif\iflibertine@rm \libertine@rmtrue
\newif\iflibertine@tt \libertine@tttrue                  
\newif\iflibertine@sfdefault \libertine@sfdefaultfalse
\newif\iflibertine@lining \libertine@liningtrue          
\newif\ifbiolinum@lining \biolinum@liningtrue           
\newif\iflibertine@tabular \libertine@tabulartrue      
\newif\ifbiolinum@tabular \biolinum@tabulartrue       
\newif\iflibertine@semibold \libertine@semiboldfalse

\DeclareOptionX{biolinum}[true]{%
\@nameuse{if#1}
 \libertine@sftrue\libertine@rmfalse
\fi
}
\DeclareOptionX{sf}[true]{%
\@nameuse{if#1}
 \libertine@sftrue\libertine@rmfalse
\fi
}
\DeclareOptionX{ss}[true]{%
\@nameuse{if#1}
 \libertine@sftrue\libertine@rmfalse
\fi
}
\DeclareOptionX{libertine}[true]{%
\@nameuse{if#1}
  \libertine@rmtrue\libertine@sffalse
\fi
}
\DeclareOptionX{rm}[true]{%
\@nameuse{if#1}
  \libertine@rmtrue\libertine@sffalse
\fi
}
\DeclareOptionX{tt}[true]{%
\@nameuse{libertine@tt#1}
\iflibertine@tt\PackageWarningNoLine{libertine}{%
 *******************************************\MessageBreak
  LibertineMono is now activated by default.\MessageBreak
 *******************************************}
\fi
}
\DeclareOptionX{mono}[true]{%
\@nameuse{libertine@tt#1}
\iflibertine@tt\PackageWarningNoLine{libertine}{%
 *******************************************\MessageBreak
  LibertineMono is now activated by default.\MessageBreak
 *******************************************}
\fi
}
\def\libertine@newfigdefaults{%
\PackageWarningNoLine{libertine}{%
  ****************************************\MessageBreak
   Figure defaults are now: lining, tabular; \MessageBreak
   for options, see the documentation. \MessageBreak
  ****************************************}
}
\DeclareOptionX{sfdefault}[true]{%
\@nameuse{if#1}\libertine@sftrue\libertine@sfdefaulttrue\fi
}
\DeclareOptionX{type1}[true]{%
\@nameuse{if#1}\libertine@otffalse\fi
}
\DeclareOptionX{nofontspec}[true]{%
\@nameuse{if#1}\libertine@otffalse\fi
}
\DeclareOptionX{lining}[true]{%
\@nameuse{libertine@lining#1}
\@nameuse{biolinum@lining#1}
\iflibertine@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{nf}[true]{%
\@nameuse{libertine@lining#1}
\@nameuse{biolinum@lining#1}
\iflibertine@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{lf}[true]{%
\@nameuse{libertine@lining#1}
\@nameuse{biolinum@lining#1}
\iflibertine@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{oldstyle}[true]{%
\@nameuse{if#1}%
  \libertine@liningfalse\biolinum@liningfalse
\else
  \libertine@liningtrue\biolinum@liningtrue
\fi
\iflibertine@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{osf}[true]{%
\@nameuse{if#1}%
  \libertine@liningfalse\biolinum@liningfalse
\else
  \libertine@liningtrue\biolinum@liningtrue
\iflibertine@lining\libertine@newfigdefaults\fi
\fi
}
\DeclareOptionX{sflining}[true]{%
\@nameuse{biolinum@lining#1}
\ifbiolinum@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{sflf}[true]{%
\@nameuse{biolinum@lining#1}
\ifbiolinum@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{sfoldstyle}[true]{%
\@nameuse{if#1}\biolinum@liningfalse\else\biolinum@liningtrue\fi
\ifbiolinum@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{sfosf}[true]{%
\@nameuse{if#1}\biolinum@liningfalse\else\biolinum@liningtrue\fi
\ifbiolinum@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{osfss}[true]{%
\@nameuse{if#1}\biolinum@liningfalse\else\biolinum@liningtrue\fi
\ifbiolinum@lining\libertine@newfigdefaults\fi
}
\DeclareOptionX{tabular}[true]{%
\@nameuse{libertine@tabular#1}
\@nameuse{biolinum@tabular#1}
\iflibertine@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{t}[true]{%
\@nameuse{libertine@tabular#1}
\@nameuse{biolinum@tabular#1}
\iflibertine@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{proportional}[true]{%
\@nameuse{if#1}%
  \libertine@tabularfalse\biolinum@tabularfalse
\else
  \libertine@tabulartrue\biolinum@tabulartrue
\fi
\iflibertine@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{p}[true]{%
\@nameuse{if#1}%
  \libertine@tabularfalse\biolinum@tabularfalse
\else
  \libertine@tabulartrue\biolinum@tabulartrue
\fi
\iflibertine@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{sftabular}[true]{%
\@nameuse{biolinum@tabular#1}
\ifbiolinum@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{sft}[true]{%
\@nameuse{biolinum@tabular#1}
\ifbiolinum@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{sfproportional}[true]{%
\@nameuse{if#1}%
  \biolinum@tabularfalse
\else
  \biolinum@tabulartrue
\fi
\ifbiolinum@tabular\libertine@newfigdefaults\fi
}
\DeclareOptionX{sfp}[true]{%
\@nameuse{if#1}%
  \biolinum@tabularfalse
\else
  \biolinum@tabulartrue
\fi
\ifbiolinum@tabular\libertine@newfigdefaults\fi
}

\DeclareOptionX{semibold}[true]{%
\@nameuse{libertine@semibold#1}
}
\DeclareOptionX{sb}[true]{%
\@nameuse{libertine@semibold#1}
}
\DeclareOptionX{bold}[true]{%
\@nameuse{if#1}\libertine@semiboldfalse\else\libertine@semiboldtrue\fi
}

\newcommand*{\LinuxLibertineT@scale}{1}  
\newcommand*{\LinuxLibertineDisplayT@scale}{1} 
\newcommand*{\LinuxBiolinumT@scale}{1}
\newcommand*{\LinuxLibertineMonoT@scale}{1}  
\newcommand*{\LinuxLibertineInitialsT@scale}{1}  
\DeclareOptionX{scaled}{\renewcommand*{\LinuxBiolinumT@scale}{#1}}
\DeclareOptionX{scale}{\renewcommand*{\LinuxBiolinumT@scale}{#1}}
\DeclareOptionX{ttscaled}{\renewcommand*{\LinuxLibertineMonoT@scale}{#1}}
\DeclareOptionX{ttscale}{\renewcommand*{\LinuxLibertineMonoT@scale}{#1}}
\DeclareOptionX{llscaled}{\renewcommand*{\LinuxLibertineT@scale}{#1}}
\DeclareOptionX{llscale}{\renewcommand*{\LinuxLibertineT@scale}{#1}}


\DeclareOptionX{defaultfeatures}{\def\libertine@defaultfeatures{#1}}
\def\libertine@defaultfeatures{}

\ProcessOptionsX\relax

\iflibertine@otf
  \iflibertine@lining
    \def\libertine@figurestyle{Lining}
  \else
    \def\libertine@figurestyle{OldStyle}
  \fi
  \iflibertine@tabular
    \def\libertine@figurealign{Monospaced} 
  \else
    \def\libertine@figurealign{Proportional} 
  \fi
  \ifbiolinum@lining
    \def\biolinum@figurestyle{Lining}  
  \else
    \def\biolinum@figurestyle{OldStyle}
  \fi
  \ifbiolinum@tabular
    \def\biolinum@figurealign{Monospaced} 
  \else
    \def\biolinum@figurealign{Proportional} 
  \fi
  \iflibertine@semibold
     \def\libertine@boldstyle{RZ} 
  \else
    \def\libertine@boldstyle{RB} 
  \fi

\else % type1

  \iflibertine@lining
    \def\libertine@figurestyle{LF} 
  \else
    \def\libertine@figurestyle{OsF} 
  \fi
  \iflibertine@tabular
    \def\libertine@figurealign{T} 
  \else
    \def\libertine@figurealign{} 
  \fi
  \ifbiolinum@lining
    \def\biolinum@figurestyle{LF} 
  \else
    \def\biolinum@figurestyle{OsF} 
  \fi
  \ifbiolinum@tabular
    \def\biolinum@figurealign{T} 
  \else
    \def\biolinum@figurealign{} 
  \fi
  \iflibertine@semibold
    \def\bfseries@rm{sb}
  \else
    \def\bfseries@rm{b}
  \fi
  \iflibertine@sf
    \def\bfseries@sf{b}
  \fi
\fi


\iflibertine@otf
  \RequirePackage{fontspec}
  \ifluatex  % avoid possibly uncorrected "system" fonts
    \directlua{fonts.names.set_location_precedence{
        "local", "texmf", "system" }}
  \fi
\else
  \RequirePackage{mweights}
  \RequirePackage{fontenc,fontaxes}
\fi

% Set main and/or sans and mono fonts:

\iflibertine@otf

  \def\libertine@base{LinLibertine}
  \def\biolinum@base{LinBiolinum}
  \defaultfontfeatures{
     Ligatures = TeX ,
     Extension = .otf ,
     SmallCapsFeatures={Letters=SmallCaps} , 
     \libertine@defaultfeatures
  }
  \iflibertine@rm
    \setmainfont
          [ Numbers = {\libertine@figurealign,\libertine@figurestyle},
            Scale     = \LinuxLibertineT@scale ,
            UprightFont    = *_R,
            ItalicFont     = *_RI,
            BoldFont       = *_\libertine@boldstyle, 
            BoldItalicFont = *_\libertine@boldstyle I,
          ] {\libertine@base}
  \fi
  \iflibertine@sf
    \setsansfont
          [ Numbers   = {\biolinum@figurealign, \biolinum@figurestyle} ,
            Scale     = \LinuxBiolinumT@scale ,
            UprightFont    = *_R ,
            ItalicFont     = *_RI ,
            BoldFont       = *_RB , 
            BoldItalicFont = *_RBO , % oblique to fake italic
          ] {\biolinum@base}
    % grab the \sfdefault in case it changes subsequently:
    \let\biolinum@family\sfdefault
    \iflibertine@sfdefault\renewcommand*\familydefault{\biolinum@family}\fi
  \fi
  \newfontfamily\libertine
        [ Numbers = {\libertine@figurealign,\libertine@figurestyle},
          Scale     = \LinuxLibertineT@scale ,
          UprightFont    = *_R,
          ItalicFont     = *_RI,
          BoldFont       = *_\libertine@boldstyle, 
          BoldItalicFont = *_\libertine@boldstyle I,
        ] {\libertine@base}
  \newfontfamily\libertineSB
        [ Numbers = { \libertine@figurealign, \libertine@figurestyle},
          Scale     = \LinuxLibertineT@scale ,
          UprightFont    = *_RZ,
          ItalicFont     = *_RZI,
          BoldFont       = *_\libertine@boldstyle, 
          BoldItalicFont = *_\libertine@boldstyle I,
        ] {\libertine@base}
  \newfontfamily\libertineOsF
        [ Numbers = {\libertine@figurealign,OldStyle},
          Scale     = \LinuxLibertineT@scale ,
          UprightFont    = *_R,
          ItalicFont     = *_RI,
          BoldFont       = *_\libertine@boldstyle, 
          BoldItalicFont = *_\libertine@boldstyle I,
        ] {\libertine@base}
  \newfontfamily\libertineLF
        [ Numbers = {\libertine@figurealign,Lining},
          Scale     = \LinuxLibertineT@scale ,
          UprightFont    = *_R,
          ItalicFont     = *_RI,
          BoldFont       = *_\libertine@boldstyle, 
          BoldItalicFont = *_\libertine@boldstyle I,
        ] {\libertine@base}
  \newfontfamily\libertineDisplay
        [ Numbers = {\libertine@figurealign,\libertine@figurestyle},
          UprightFont    = *_DR,
          ItalicFont     = *_RI,
          BoldFont       = *_\libertine@boldstyle, 
          BoldItalicFont = *_\libertine@boldstyle I,
        ] {\libertine@base}
  \newfontfamily\biolinum
        [ Numbers   = {\biolinum@figurealign, \biolinum@figurestyle} ,
          Scale     = \LinuxBiolinumT@scale ,
          UprightFont    = *_R ,
          ItalicFont     = *_RI ,
          BoldFont       = *_RB , 
          BoldItalicFont = *_RBO,   % oblique to fake italic
        ] {\biolinum@base}
  \newfontfamily\biolinumOsF
        [ Numbers   = {\biolinum@figurealign, OldStyle} ,
          Scale     = \LinuxBiolinumT@scale ,
          UprightFont    = *_R ,
          ItalicFont     = *_RI ,
          BoldFont       = *_RB , 
          BoldItalicFont = *_RBO , % oblique to fake italic
        ] {\biolinum@base}
  \newfontfamily\biolinumLF
        [ Numbers   = {\biolinum@figurealign, Lining} , 
          Scale     = \LinuxBiolinumT@scale ,
          UprightFont    = *_R ,
          ItalicFont     = *_RI ,
          BoldFont       = *_RB , 
          BoldItalicFont = *_RBO , % oblique to fake italic
        ] {\biolinum@base}
  \providecommand\useosf{%
    \edef\libertine@figurestyle{OldStyle}\edef\biolinum@figurestyle{OldStyle}
    \defaultfontfeatures{
       Ligatures = TeX ,
       Extension = .otf ,
       SmallCapsFeatures={Letters=SmallCaps} 
    }
  \iflibertine@rm
    \setmainfont
          [ Numbers = {\libertine@figurealign,\libertine@figurestyle},
            Scale     = \LinuxLibertineT@scale ,
            UprightFont    = *_R,
            ItalicFont     = *_RI,
            BoldFont       = *_\libertine@boldstyle, 
            BoldItalicFont = *_\libertine@boldstyle I,
          ] {\libertine@base}
  \fi
  \iflibertine@sf
    \setsansfont
          [ Numbers   = {\biolinum@figurealign, \biolinum@figurestyle} ,
            Scale     = \LinuxBiolinumT@scale ,
            UprightFont    = *_R ,
            ItalicFont     = *_RI ,
            BoldFont       = *_RB , 
            BoldItalicFont = *_RBO , % oblique to fake italic
          ] {\biolinum@base}
    % grab the \sfdefault in case it changes subsequently:
    \let\biolinum@family\sfdefault
    \iflibertine@sfdefault\renewcommand*\familydefault{\biolinum@family}\fi
  \fi
    \defaultfontfeatures{} 
  }
  \defaultfontfeatures{ Extension = .otf, HyphenChar=None } 
  % Don't want ligatures or hyphenation for mono and keyboard
  \iflibertine@tt
    \setmonofont 
          [ Scale = \LinuxLibertineMonoT@scale,
            UprightFont    = *_M, 
            ItalicFont     = *_MO, % oblique to fake italic
            BoldFont       = *_MB,   % fontforge 
            BoldItalicFont = *_MBO,  % fontforge
          ] {\libertine@base}
  \fi
  \newfontfamily\libmono
          [ Scale = \LinuxLibertineMonoT@scale,
            UprightFont    = *_M, 
            ItalicFont     = *_MO, % oblique to fake italic
            BoldFont       = *_MB,   % fontforge 
            BoldItalicFont = *_MBO,  % fontforge
          ] {\libertine@base}
  \newfontface\biolinumkey{\biolinum@base _K}
  \newfontface\libertineInitial{\libertine@base _I}

  \providecommand\sufigures{\addfontfeatures{VerticalPosition=Superior}}

\else % type1

  \def\libertine@family{LinuxLibertineT-\libertine@figurealign\libertine@figurestyle}
  \def\biolinum@family{LinuxBiolinumT-\biolinum@figurealign\biolinum@figurestyle}
  \iflibertine@rm \def\rmdefault{\libertine@family} \fi
  \iflibertine@sf \def\sfdefault{\biolinum@family} \fi 
  \iflibertine@sfdefault\edef\familydefault{\sfdefault}\fi
  \iflibertine@tt \def\ttdefault{LinuxLibertineMonoT-TLF} \fi
  \providecommand*\libertine{\fontfamily{\libertine@family}\selectfont}
  \providecommand*\libertineSB{\fontfamily{\libertine@family}\fontseries{sb}\selectfont}
  \providecommand*\libertineOsF{\fontfamily{LinuxLibertineT-\libertine@figurealign OsF}\selectfont}
  \providecommand*\libertineLF{\fontfamily{LinuxLibertineT-\libertine@figurealign LF}\selectfont}
  \providecommand*\libertineDisplay{\fontfamily{LinuxLibertineDisplayT-\libertine@figurealign\libertine@figurestyle}\selectfont}
  \providecommand*\biolinum{\fontfamily{\biolinum@family}\selectfont}
  \providecommand*\biolinumOsF{\fontfamily{LinuxBiolinumT-\biolinum@figurealign OsF}\selectfont}
  \providecommand*\biolinumLF{\fontfamily{LinuxBiolinumT-\biolinum@figurealign LF}\selectfont}
  \providecommand*\libmono{\fontfamily{LinuxLibertineMonoT-TLF}\selectfont}
  \providecommand*\libertineInitial{\fontfamily{LinuxLibertineInitialsT-\libertine@figurestyle}\selectfont}

  \fa@naming@exception{figures}{{superior}{proportional}}{Sup}
  \fa@naming@exception{figures}{{superior}{tabular}}{Sup}
  \def\sufigures{\@nomath\sufigures\fontfigurestyle{superior}\selectfont}
  \providecommand*\useosf{\edef\libertine@figurestyle{OsF}\edef\biolinum@figurestyle{OsF}%
     \iflibertine@rm \renewcommand*\rmdefault{LinuxLibertineT-OsF}\fi
     \iflibertine@sf \renewcommand*\sfdefault{LinuxBiolinumT-OsF}\fi}

\fi
\DeclareTextFontCommand{\textsu}{\sufigures}
\let\textsuperior\textsu

% Define \oldstylenums[f] and \liningnums[f]

\iflibertine@otf
  \iflibertine@rm
    \DeclareTextFontCommand{\oldstylenums}{\addfontfeatures{Numbers=OldStyle}}
    \DeclareTextFontCommand{\liningnums}{\addfontfeatures{Numbers=Lining}}
  \fi
  \iflibertine@sf
    \DeclareTextFontCommand{\oldstylenumsf}{\addfontfeatures{Numbers=OldStyle}}
    \DeclareTextFontCommand{\liningnumsf}{\addfontfeatures{Numbers=Lining}}
  \fi
\else % type1
  \iflibertine@rm
    \iflibertine@sf % Both Libertine and Biolinum
      \DeclareTextFontCommand{\oldstylenums}{\libertineOsF}
      \DeclareTextFontCommand{\liningnums}{\libertineLF}
      \DeclareTextFontCommand{\oldstylenumsf}{\biolinumOsF}
      \DeclareTextFontCommand{\liningnumsf}{\biolinumLF}
   \else % Libertine only 
      \DeclareTextFontCommand{\oldstylenums}{\libertineOsF}
      \DeclareTextFontCommand{\liningnums}{\libertineLF}
      \DeclareTextFontCommand{\oldstylenumsf}{\sffamily\oldstylenums}
      \DeclareTextFontCommand{\liningnumsf}{\sffamily}
   \fi
  \else % Biolinum only
    % \oldstylenums defined by \textcomp?
    \DeclareTextFontCommand{\liningnums}{}
    \DeclareTextFontCommand{\oldstylenumsf}{\biolinumOsF}
    \DeclareTextFontCommand{\liningnumsf}{\biolinumLF}
  \fi
\fi

% Define \tabularnums[f] and \proportionalnums[f]

\iflibertine@otf
  \iflibertine@rm
    \DeclareTextFontCommand{\tabularnums}{\addfontfeatures{Numbers=Tabular}}
    \DeclareTextFontCommand{\proportionalnums}{\addfontfeatures{Numbers=Proportional}}
  \fi
  \iflibertine@sf
    \DeclareTextFontCommand{\tabularnumsf}{\addfontfeatures{Numbers=Tabular}}
    \DeclareTextFontCommand{\proportionalnumsf}{\addfontfeatures{Numbers=Proportional}}
  \fi
\else % type1
  \iflibertine@rm
    \DeclareTextFontCommand{\tabularnums}{\fontfamily{LinuxLibertineT-T\libertine@figurestyle}\selectfont}
    \DeclareTextFontCommand{\proportionalnums}{\fontfamily{LinuxLibertineT-\libertine@figurestyle}\selectfont}
  \fi
  \iflibertine@sf
    \DeclareTextFontCommand{\tabularnumsf}{\fontfamily{LinuxBiolinumT-T\biolinum@figurestyle}\selectfont}
    \DeclareTextFontCommand{\proportionalnumsf}{\fontfamily{LinuxBiolinumT-\biolinum@figurestyle}\selectfont}
  \fi
\fi

\iflibertine@otf
  \def\lib@fxl{LinLibertine_R}
  \def\lib@fxb{LinBiolinum_R}
  \def\lib@fxk{LinBiolinum_K}
  \def\lib@fxi{LinLibertine_I}

  \providecommand*\DeclareTextGlyphY[3]{%
      % \DeclareTextGlyphY{fxl}{s_t}{64262}
      % #1=basefont #2=glyphname, #3=position
      \def\lib@temp{#1}%
      \ifx\lib@temp\lib@fxl \@namedef{#1@#2}{{\libertine\char#3\relax}}\else%
        \ifx\lib@temp\lib@fxb \@namedef{#1@#2}{{\biolinum\char#3\relax}}\else%
          \ifx\lib@temp\lib@fxk \@namedef{#1@#2}{{\biolinumkey\char#3\relax}}\else%
            \ifx\lib@temp\lib@fxi \@namedef{#1@#2}{{\libertineInitial\char#3\relax}}\else%
      \fi\fi\fi\fi}
  %
  \input{LinLibertine_R}
  \input{LinBiolinum_R}
  \input{LinBiolinum_K}
  \input{LinLibertine_I}
  %
  \DeclareRobustCommand*\libertineGlyph[1]{\@nameuse{LinLibertine_R@#1}}
  \DeclareRobustCommand*\biolinumGlyph[1]{\@nameuse{LinBiolinum_R@#1}}
  \DeclareRobustCommand*\biolinumKeyGlyph[1]{\@nameuse{LinBiolinum_K@#1}}
  \DeclareRobustCommand*\libertineInitialGlyph[1]{\@nameuse{LinLibertine_I@#1}}
  \input{LKey}

\else %type1
  
  \def\lib@ini{LinLibertine_I}
  \providecommand*\DeclareTextGlyphY[3]{%
      % \DeclareTextGlyphY{fxl}{s_t}{64262}
      % #1=basefont #2=glyphname, #3=position
      \def\lib@temp{#1}%
      \ifx\lib@temp\lib@ini \@namedef{#1@#2}{{\libertineInitial\char#3\relax}}\else%
      \fi}
  %
  \input{LinLibertine_I}
  %
  \DeclareRobustCommand*\libertineInitialGlyph[1]{\@nameuse{LinLibertine_I@#1}}

\fi


\iflibertine@otf
% turn off defaults in case other fonts are selected:
  \defaultfontfeatures{}
\fi

\endinput