cd.attlist.OMS |= 
  attribute cd {string "units_metric1" },
  attribute name {
    string "metre" |
    string "metre_sqrd" |
    string "litre" |
    string "metres_per_second" |
    string "metres_per_second_sqrd" |
    string "second" |
    string "gramme" |
    string "Newton" |
    string "degree_Kelvin" |
    string "degree_Celsius" |
    string "Newton_per_sqr_metre" |
    string "Coulomb" |
    string "amp" |
    string "volt" }