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Suppose I had a variable list, e.g. (taken from the documentation page) <variables xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0" > <variable name="wv" vocabulary_name="Wind Speed" units="m/s"/> <variable name="wdir" vocabulary_name="Wind Direction" units= "degrees"/> <variable name="o3c" vocabulary_name="Ozone Concentration" units="g/g"/> ... </variables> Suppose I want to say that the units are udunits compliant. Can I write <variables xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0" > <variable name="wv" vocabulary_name="Wind Speed"> <units vocabulary="udunits>m/s</units></variable> <variable name="wdir" vocabulary_name="Wind Direction"> <units vocabulary="udunits>degrees</units></variable> <variable name="o3c" vocabulary_name="Ozone Concentration"> <units vocabulary="udunits">g/g</units></variable> ... </variables> I certainly would like to be able to do so. Benno -- Dr. M. Benno Blumenthal address@hidden International Research Institute for climate prediction The Earth Institute at Columbia University Lamont Campus, Palisades NY 10964-8000 (845) 680-4450