On 2015-10-30, Scott Kostyshak wrote: > On Thu, Oct 29, 2015 at 04:15:20PM +0000, Guenter Milde wrote: >> Dear LyXers,
>> documents that use the mhchem package (which is automatically loaded if >> required, by default) fail to compile with XeTeX or LuaTeX and TeX fonts. Actually, a minimal example works: \documentclass[]{article} \usepackage{lmodern} \usepackage[T1]{fontenc} \usepackage{textalpha} % \usepackage{fontspec} \usepackage{mhchem} % \usepackage{chemgreek} \begin{document} \chemalpha \chemOmega \end{document} However, Math.lyx fails with a message mentioning chemgreek. >> The Math.lyx manual also shows missing or non-transformed output if used >> with XeTeX/LuaTeX and non-TeX fonts. ............................................................................ >> Is there a way to make LyX aware of packages that are incompatible with >> XeTeX/LuaTeX? > I'm not sure. Perhaps we could use LaTeXFeatures? > What ideally would we want to happen? Should we just grey-out the > XeTeX/LuaTeX options or keep them enabled but just give a warning when > the user clicks them informing them about the incompatibility? I am not sure. Something similar to what we currently do with "fontspec" and 8-bit TeX engines. I suggest a discussion on track. Günter