Hi Ihor,

>> To be clear, the default will be “use the same preview compiler as document
>> compiler”, but the hassles we’re currently experiencing with XeLaTeX/LuaLaTeX
>> make us think it could be worth adding an override option.
>
> I understand. I propose to fall back to the default even if override is
> provided, but fails compilation.

Hmm. I’m on board with this as long as the implementation isn’t to complex (I
think this should be fine), and only for overriding the global default (i.e.
stick with a different value if it was set specifically for the current buffer).

All the best,
Timothy

-- 
Timothy (‘tecosaur’/‘TEC’), Org mode contributor.
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