cd.attlist.OMS |= 
  attribute cd {string "units_imperial1" },
  attribute name {
    string "mile" |
    string "acre" |
    string "pint" |
    string "miles_per_hr" |
    string "miles_per_hr_sqrd" |
    string "pound_mass" |
    string "pound_force" |
    string "degree_Fahrenheit" |
    string "bar" }