notebook/packages/fonts.sty at master · v--/notebook · GitHub

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\ExplSyntaxOn

% STIX2 is wide and often gets overfull hboxes
\tolerance 2000

\bool_if:nTF
  { \sys_if_engine_luatex_p: }
  {
    % We avoid using fontsetup directly because it loads unicode-math, while we want to use lua-unicode-math
    % \RequirePackage[default, stixtwo]{fontsetup}
    \RequirePackage{fontspec}
    \RequirePackage{lum-stix2}
    \input{fspstixtwoot} % This is the code from fontsetup that loads stix2 text fonts
    \babelfont[greek]{rm}{GFS Artemisia} % Some classical Greek letters like "ἴ" are not supported by STIX 2

    % We redefine \bot because it misbehaves with lua-unicode-math
    % See https://github.com/zauguin/lua-unicode-math/issues/30
    % \let\bot\relax

    \DeclareRobustCommand \bot {{\symbol{"022A5}}}

    % We can similarly load new computer modern with all its features using \input{fspdefault},
    % however that turns out to be rather slow (and, furthermore, it relies on unicode-math).
    % Luckily, the base fontspec usage is simple enough
    \setsansfont
      [
        ItalicFont=NewCMSans10-BookOblique.otf,
        BoldFont=NewCMSans10-Bold.otf,
        BoldItalicFont=NewCMSans10-BoldOblique.otf,
        SmallCapsFeatures={Numbers=OldStyle},
        SlantedFont=NewCMSans10-BookOblique.otf,
        BoldSlantedFont=NewCMSans10-BoldOblique.otf,
      ]
      {NewCMSans10-Book.otf}

    \setmonofont
      [
        ItalicFont=NewCMMono10-BookItalic.otf,
        BoldFont=NewCMMono10-Bold.otf,
        BoldItalicFont=NewCMMono10-BoldOblique.otf,
        SlantedFont=NewCMMono10-Book.otf,
        SlantedFeatures={FakeSlant=0.25},
        BoldSlantedFont=NewCMMono10-Bold.otf,
        BoldSlantedFeatures={FakeSlant=0.25},
        SmallCapsFeatures={Numbers=OldStyle}
      ]
      {NewCMMono10-Book.otf}

    \RequirePackage{microtype}
  }
  {
    \RequirePackage[LGR,TS1,OT2,T2A,T1]{fontenc}
    \RequirePackage[not1,notextcomp,lcgreekalpha]{stix2} % Serf and math font families; load after amsmath despite documentation, it breaks otherwise
    \RenewDocumentCommand \sfdefault {} {lmss} % Latin modern
    \RenewDocumentCommand \ttdefault {} {lmtt} % Latin modern
    \RequirePackage{microtype}

    \let\square\relax

    % We imitate some macros from unicode-math
    \tl_map_inline:nn
      {
        {A} {B} {C} {D} {E} {F} {G} {H} {I} {J} {K} {L} {M} {N} {O} {P} {Q} {R} {S} {T} {U} {V} {W} {X} {Y} {Z}
        {a} {b} {c} {d} {e} {f} {g} {h} {i} {j} {k} {l} {m} {n} {o} {p} {q} {r} {s} {t} {u} {v} {w} {x} {y} {z}
      }
      {
        \exp_args:Nc \DeclareMathSymbol {mscr #1} \mathalpha {integrals} {`#1}
        \exp_args:Nc \DeclareMathSymbol {mfrak #1} \mathalpha {symbols2} {`#1}
        \exp_args:Nc \DeclareMathSymbol {Bbb #1} \mathalpha {symbols3} {`#1}
      }

    % The `operators` symbol font makes the letters upright
    \DeclareMathSymbol \Alpha    \mathalpha {operators} {`A}
    \DeclareMathSymbol \Beta     \mathalpha {operators} {`B}
    \DeclareMathSymbol \Epsilon  \mathalpha {operators} {`E}
    \DeclareMathSymbol \Zeta     \mathalpha {operators} {`Z}
    \DeclareMathSymbol \Eta      \mathalpha {operators} {`H}
    \DeclareMathSymbol \Iota     \mathalpha {operators} {`I}
    \DeclareMathSymbol \Kappa    \mathalpha {operators} {`K}
    \DeclareMathSymbol \Mu       \mathalpha {operators} {`M}
    \DeclareMathSymbol \Omicron  \mathalpha {operators} {`O}
    \DeclareMathSymbol \omicron  \mathalpha {operators} {`o}
    \DeclareMathSymbol \Rho      \mathalpha {operators} {`P}
    \DeclareMathSymbol \Tau      \mathalpha {operators} {`T}
    \DeclareMathSymbol \Chi      \mathalpha {operators} {`X}

    % We don't define the rest of the Green alphabet because we won't use it (and because it's tedious to do)
    \DeclareMathSymbol \muplambda \mathalpha {operators} {"15}
  }
\ExplSyntaxOff