Potential XML map bug
From this page http://fueleconomy.gov/feg/ws/ download the historical MPG data (http://fueleconomy.gov/feg/epadata/vehicles.xml.zip at the time of this writing). The structure of this XML file is a very standard database like structure and maps well to 2D grid format. But importing this XML file from LibreOffice Calc's XML Source feature does mapping incorrectly. We need to find out first if the same issue exists in the orcus xml-map code which is used in Calc's XML Source feature, and if so, find out the root cause and fix it.