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I am trying to use STIX Two Math for math. font as a non math font (symbol-wise, letters will be the only thing for math mode), but only for the letters involved in math, i. e. abcdefghijklmnopqrstuvwxyz and ABCDEFGHIJKLMNOPQRSTUVWXYZ.

enter image description here

\documentclass{article}

\usepackage{fontspec}
\usepackage[math-style = upright]{unicode-math}

% ======================================================

\renewcommand{\normalsize}{\fontsize{10}{11}\selectfont}

\newcommand{\currentFont}{
    ItalicFont = font Italic,
    BoldFont = font Bold,
    BoldItalicFont = font Bold Italic,
}

\newcommand{\normalFontFeatures}{
    Kerning = On,
    Style = Historic,
    Ligatures = {Historic, Rare},
}

% ======================================================

\setmainfont[
    Language = English,
    \currentFont
    \normalFontFeatures
]{font}

\setmathfont[range = {"0028-"1D7CB}, StylisticSet = 008]{STIX Two Math}
\setmathfont[range = {"41-"7B,}]{font} % range = unicode range for alphabet

% ------------------------------------------------------

\setmathfont[range = {"41-"7B}]{font} % Ignore, check NOTE
\setmathfont[range = bfup -> up]{font Bold} % Ignore, check NOTE
\setmathfont[range = it -> up]{font Italic} % Ignore, check NOTE
\setmathfont[range = bfit -> up]{font Bold Italic} % Ignore, check NOTE

% ======================================================

\begin{document}

    \textit{F=ma}

    $$ \mathbfit{F=ma} \quad \mathbf{F=ma} \quad F=ma \quad \mathit{F=ma}$$

\end{document}

NOTE: unicode-math not deciding what font to use for Bold Italic is a problem with my particular font files. Because of this I am currently using a work-around for getting it to display the way the image shows. But this feels so unnatural and inconvenient to be the correct way though.

Will Robertson solved it But I still have a problem with bfit. It refuses to show \mathbfit{F=ma} with the proper font, this could be fixed though, just by adding

\setmathfont[range = bfit -> up]{Bold Italic}

in the preamble.

Thanks.

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6
  • Please clarify why you mean by "latin alphabet". The font for $abc$ or $\mathrm{abc}$ or ... ? Have you tried [range=it] or [range=up] (or both?) ? It would be much clearer if you used a minimal example to demonstrate your problem. – Will Robertson Jan 24 '18 at 4:31
  • I mean whatever they meant in the unicode-math symbols documentation. [range = it] and [range = up] are fine but \nabla stops working since it search on my alphabet font for that symbol, which it does not have. – Suppboi Jan 24 '18 at 18:51
  • also [range = up] overlaps with \nabla, so it searches for \nabla in the font intended for just latin letters. – Suppboi Jan 24 '18 at 19:47
  • Before I look into this further, you know there’s a difference between \mathrm and \symup, \mathbf and \symbf, right? – Will Robertson Jan 25 '18 at 0:04
  • Also please use real fonts from CTAN in your example (like “texgyrepagella-bold.otf”, etc). I have no idea whether you’re trying to load maths fonts or text fonts. – Will Robertson Jan 25 '18 at 0:06
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For a start, this seems to work for me:

\documentclass{article}
\usepackage{unicode-math}
\setmathfontface\mathrm{texgyreheros-regular.otf}
\begin{document}
$\mathrm{abc}$
\end{document}

Please provide a complete minimal example to demonstrate the rest and I might be able to answer in more detail.

Here's another example that will hopefully work for you:

\documentclass{article}
\usepackage[math-style=upright]{unicode-math}
\setmathfont{xits-math.otf}
\setmathfont{texgyreheros-regular.otf}[range=up/{Latin,latin}]
\begin{document}
    \[
       \symbfit{F=ma} \quad \symbf{F=ma} \quad F=ma \quad \symit{F=ma}
    \]
\end{document}

Is that what you're trying to achieve?

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3
  • It does work, but i need to type \mathrm every time. Is there a way to set the math font to always use mathrm unless told otherwise? – Suppboi Jan 24 '18 at 18:46
  • @Suppboi — does this edit address your problem? – Will Robertson Jan 25 '18 at 0:19
  • it does, that [range = up/{Latin, latin}] bit is the key. Thanks a lot! – Suppboi Jan 25 '18 at 0:25

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