if doc then
	mtt.register("wagon information formspec", function(cb)
		mtt.join_player("singleplayer")
		for k in pairs(advtrains_doc_integration.prototypes) do
			print("Found wagon prototype: " .. k)
			doc.show_entry("singleplayer", "advtrains_wagons", k, true)
		end
		mtt.leave_player("singleplayer")
		cb()
	end)
end
mtt.register("wagon datasheet generation", function(cb)
	advtrains_doc_integration.write_all_wagons_as_latex()
	cb()
end)