+ " (should be <value>/<unit>, e.g. 3.54/s or 1500/h");
String valueStr = def.substring(0, index);
String unitStr = def.substring(index + 1);
try {
this.value = usNumberFormat.parse(valueStr).doubleValue();
} catch (ParseException e) {
+ " (should be <value>/<unit>, e.g. 3.54/s or 1500/h");
String valueStr = def.substring(0, index);
String unitStr = def.substring(index + 1);
try {
this.value = usNumberFormat.parse(valueStr).doubleValue();
} catch (ParseException e) {