On Tuesday, 10 Jan 2017 at 13:12, Lawrence Bottorff wrote:
> Yes, I tested all my header lines and found that was the 'offender."
> It got there on someone's suggestion it was needed for proper TikZ. Or
> was it bibtex? Or does a ton of pngs come if you choose Latex preview?
> No time for further investigation. Confusion will be my epitaph. . . .

I think, IIUC, the tex: option is for inline LaTeX and maybe (maybe not)
exported LaTeX.  If you want to use mathjax for this, then tikz et
al. need to be done differently, e.g. using src blocks with a :file
output.

-- 
: Eric S Fraga (0xFFFCF67D), Emacs 26.0.50.1, Org release_9.0.3-189-ge46676