> Should there be a check in the exporter, for latex based backends, if > the document class expected is not defined? This would have made things > a lot quicker to resolve in this case!
What is an "expected document class"? Beamer export can happen with a "beamer" or an "article" (and probably others) document class. There's no real way to know if the class used is correct. Regards, -- Nicolas Goaziou