David Carlisle

Can you clarify the issue you are seeing? with ``` \documentclass{article} \usepackage{unicode-math} \begin{document} \ifx\directlua\undefined XeTeX\else LuaTeX\fi: $ P_{in} + P_{\symrm{in}} + P_{\mathrm{in}} + P_{\Umathchar"0"000"00200B \mathrm{in}} $ \end{document} ``` I get...

@xsrvmy ah adding `\setmathfont{STIX Two Math}` I get   So yes it shows the issue there, although having the effects be both engine and font dependent might make it...

my personal preference would be not to force math mode and not to flag any error, I don't think the plane 1 math alphabets are that different to characters in...

I'd say that this is a flaw in the tex support rather than the font, surely a font designer should be free to design smaller brackets, In classic tex each...

I was going to reply similarly but I suspect it is easier to make it work than document why it's reasonable that it doesn't work. \gamma points, via the mathcode,...

> Maybe I can call this a font difficulty: when using the French style the lowercase roman letters are upright with \mathbf, and are italicised in normal math mode. I...

It also fails for me on the name for the stix two math font, this runs without error although the count ref are broken somewhere ``` diff --git a/unimath-symbols.ltx b/unimath-symbols.ltx...

if you add an \mbox{} after `\FINISH` the laels get written to the aux file, we shoudl check the kernel last page handling...

Related to this amsmath specifically detects the stix package and adjusts some definitions. If it also detected unicode-math some of the package load order issues might be easier to resolve....

because `unicode-math` sets everything up at begin document then any user-override needs to do the same. This works: ``` \AtBeginDocument{ \let\Im\relax % try to make LaTeX happy \DeclareMathOperator{\Im}{Im}} ``` There...