final ValueCollection collection = new ValueCollection();
while (st.hasMoreTokens()) {
final String token = st.nextToken();
final PropertyValue parsedToken = this.standardParse(fobj, value,
null);
if (parsedToken.canEvalLength()
|| parsedToken.canEvalPercentage()) {
collection.addItem(parsedToken);
} else {
throw this.unexpectedValue(token, fobj);
}