When using Stylistic Sets to obtain alternative letterforms for text faces, XeTeX will correctly use the changed faces for \mathrm and friends. But LuaTeX will not.
Check/indicate
[ ] Relevant for XeTeX
[x] Relevant for LuaTeX
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Minimal example demonstrating the issue
\documentclass{article}
\usepackage{amsopn}% For \DeclareMathOperator
\usepackage{fontspec}
\setmainfont{SourceSansPro-Regular.otf}[
StylisticSet=2
% Single-story lowercase a and straight-terminal lowercase l
]
\DeclareMathOperator\Stable{Stable}
\begin{document}
\ifx\XeTeXversion\undefined Lua\else Xe\fi LaTeX:
Stable \& $\Stable$.
\end{document}
Description
When using Stylistic Sets to obtain alternative letterforms for text faces, XeTeX will correctly use the changed faces for
\mathrmand friends. But LuaTeX will not.Check/indicate
Minimal example demonstrating the issue
Further details