> I run Arch Linux, too. If I don't set the TeX-engine to XeLaTeX
> everything is fine. After changing to XeLaTex the formula is black indeed.
I checked it without setting XeLaTeX, and it's fine. However I
must use XeLaTeX for most of my documents, because I use the font
facilities to deal with Chinese.
> Changing the preview-reference-face doesn't have any effect, either.
> Setting the TeX-engine to LuaLaTex makes it work again, though.
> It seems to me that this is a bug. You could file a bug report via
> M-x preview-report-bug RET.
Thanks, I'll report this.
> Maybe one can make AUCTeX use pdflatex (or Lua) for generating previews
> but I didn't figure out if this is possible...
Carl Lei (XeCycle)
Department of Physics, Shanghai Jiao Tong University
OpenPGP public key: 7795E591
Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591