\RequirePackage{fontspec}
\defaultfontfeatures{Ligatures=TeX}
\setmainfont[SmallCapsFeatures={Numbers=OldStyle},%
  NFSSFamily=Palatino Linotype,%
  ItalicFont=PalatinoLinotype-Italic,%
  BoldFont=PalatinoLinotype-Bold,%
  BoldItalicFont=PalatinoLinotype-BoldItalic,%
]{PalatinoLinotype-Roman}
\newfontfamily{\greekfont}[SmallCapsFont=fsplpscel,
  ItalicFont=PalatinoLinotype-Italic,%
  BoldFont=PalatinoLinotype-Bold,%
  BoldItalicFont=PalatinoLinotype-BoldItalic,%
]{PalatinoLinotype-Roman}
\newfontfamily{\defaultfont}[SmallCapsFeatures={Numbers=OldStyle},%
  NFSSFamily=Palatino Linotype,%
  ItalicFont=PalatinoLinotype-Italic,%
  BoldFont=PalatinoLinotype-Bold,%
  BoldItalicFont=PalatinoLinotype-BoldItalic,%
]{PalatinoLinotype-Roman}

\RequirePackage{iftex}
\ifxetex
\RequirePackage[Latin, Greek]{ucharclasses}
\setDefaultTransitions{\defaultfont}{}
\setTransitionsForLatin{\defaultfont}{}
\setTransitionsForGreek{\greekfont}{}
\else
\relax
\fi

\RequirePackage{unicode-math}
\setmathfont{texgyrepagella-math.otf}


\endinput