throws XPathException {
if(args[0].isEmpty())
{return Sequence.EMPTY_SEQUENCE;}
final ValueSequence result = new ValueSequence();
final SimpleTokenizer tokenizer = new SimpleTokenizer();
tokenizer.setText(args[0].getStringValue());
TextToken token = tokenizer.nextToken(false);
while(token != null && token.getType() != TextToken.EOF) {
result.add(new StringValue(token.getText()));
token = tokenizer.nextToken(false);
}
return result;
}