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%% erewhon.sty
%%
\NeedsTeXFormat{LaTeX2e}
\def\fileversion{1.04}
\def\filedate{2015/04/07}
\ProvidesPackage{erewhon}
    [\filedate\space v\fileversion]
    
\message{`erewhon' v\fileversion, \filedate\space  Style file for Erewhon (m_sharpe), based on Heuristica (a_panov) and, ultimately,  Utopia.}

\RequirePackage[T2A,T2B,T2C,LY1,T1]{fontenc}
\RequirePackage{textcomp}
\IfFileExists{mweights.sty}{\RequirePackage{mweights}}{}
\RequirePackage{etoolbox}
\IfFileExists{fontaxes.sty}{
    \RequirePackage{fontaxes}
    \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

    \fa@naming@exception{figures}{{inferior}{proportional}}{Inf}
    \fa@naming@exception{figures}{{inferior}{tabular}}{Inf}
    \def\infigures{\@nomath\infigures%
        \fontfigurestyle{inferior}\selectfont}
    \DeclareTextFontCommand{\textin}{\infigures}
    \let\textinferior\textin
    \fa@naming@exception{figures}{{numerators}{proportional}}{Numr}
    \fa@naming@exception{figures}{{numerators}{tabular}}{Numr}
    \def\nufigures{\@nomath\nufigures%
        \fontfigurestyle{numerators}\selectfont}
    \DeclareTextFontCommand{\textnu}{\nufigures}
    \let\textnumerator\textnu

    \fa@naming@exception{figures}{{denominators}{proportional}}{Dnom}
    \fa@naming@exception{figures}{{denominators}{tabular}}{Dnom}
    \def\defigures{\@nomath\defigures%
        \fontfigurestyle{denominators}\selectfont}
    \DeclareTextFontCommand{\textde}{\defigures}
    \let\textdenominator\textde
}{}
\providecommand*{\textfrac}[2]{%
    \textnu{#1}\kern0em\textfractionsolidus\kern0em\textde{#2}}

\IfFileExists{xkeyval.sty}{
    \newcommand*{\erewhon@scale}{1}
    \RequirePackage{xkeyval}
    \DeclareOptionX{scale}{\renewcommand*{\erewhon@scale}{##1}}
    \DeclareOptionX{scaled}{\renewcommand*{\erewhon@scale}{##1}}
    \DeclareOptionX{space}[1.2]{\DeclareRobustCommand{\erewhon@sf}{%
    \fontdimen2\font=##1\fontdimen2\font}}
}{
    \let\DeclareOptionX\DeclareOption
    \let\ExecuteOptionsX\ExecuteOptions
    \let\ProcessOptionsX\ProcessOptions
}
\let\orig@footnote=\thefootnote
\let\orig@makefnmark=\@makefnmark
\def\bfseries@rm{b}
\def\mdseries@rm{m}

\newif\if@Erewhon@sups
\newif\if@Erewhon@scosf
\def\useosf{\edef\Erewhon@figurestyle{OsF}}
\@onlypreamble\useosf
\def\useproportional{\edef\Erewhon@figurealign{}}
\@onlypreamble\useproportional
\newif\ifErewhon@babel
\ifdefined\bbl@tempa \Erewhon@babeltrue\fi

\DeclareOptionX{lining}{\edef\Erewhon@figurestyle{LF}}
\DeclareOptionX{lf}{\edef\Erewhon@figurestyle{LF}}
\DeclareOptionX{oldstyle}{\useosf}
\DeclareOptionX{osf}{\useosf}
\DeclareOptionX{tabular}{\edef\Erewhon@figurealign{T}}
\DeclareOptionX{p}{\useproportional}
\DeclareOptionX{proportional}{\useproportional}
\DeclareOptionX{sups}{\@Erewhon@supstrue}
\DeclareOptionX{scosf}{\@Erewhon@scosftrue}
\ExecuteOptionsX{lining,tabular}
\ProcessOptionsX\relax


\DeclareRobustCommand{\lfstyle}{%
  \not@math@alphabet\lfstyle\relax
  \fontfamily{erewhon-LF}\selectfont %
}% to get lf
\DeclareRobustCommand{\tlfstyle}{%
  \not@math@alphabet\tlfstyle\relax
  \fontfamily{erewhon-TLF}\selectfont %
}% to get tlf
\DeclareRobustCommand{\osfstyle}{%
  \not@math@alphabet\osfstyle\relax
  \fontfamily{erewhon-OsF}\selectfont %
}% to get osf
\DeclareRobustCommand{\tosfstyle}{%
  \not@math@alphabet\tosfstyle\relax
  \fontfamily{erewhon-TOsF}\selectfont %
}% to get tosf
\DeclareRobustCommand{\textlf}[1]{%
  {\lfstyle #1}%
}% to get lf
\DeclareRobustCommand{\texttlf}[1]{%
  {\tlfstyle #1}%
}% to get tlf
\DeclareRobustCommand{\textosf}[1]{%
  {\osfstyle #1}%
}% to get osf
\DeclareRobustCommand{\texttosf}[1]{%
  {\tosfstyle #1}%
}% to get tosf
\if@Erewhon@scosf %
\DeclareRobustCommand{\textsc}[1]{%
{\fontfamily{erewhon-\Erewhon@figurealign%
OsF}\fontshape{sc}\selectfont #1}%
}\fi% use OsF in small caps
\renewcommand*{\rmdefault}{erewhon-TLF} % always TLF in math
\renewcommand*{\familydefault}{\rmdefault}

\if@Erewhon@sups %
 \ifdefined\sufigures
  \def\f@@tn@te{footnote}
  \def\@makefnmark{%
    \ifx\@mpfn\f@@tn@te%
      \ifx\thefootnote\orig@footnote%
        \hbox{\sufigures\hspace*{.04em}\@thefnmark\hspace*{.04em}}%
      \else%
        \orig@makefnmark%
      \fi
    \else%
      \orig@makefnmark%
    \fi}%
 \fi%
\fi

\ifErewhon@babel
    \renewcommand*{\rmdefault}{erewhon-\Erewhon@figurealign%
	\Erewhon@figurestyle}
	\normalfont
\else
	\AtEndPreamble{%
	\renewcommand*{\rmdefault}{erewhon-\Erewhon@figurealign%
	\Erewhon@figurestyle}
	\normalfont}
\fi
\endinput