src/main/java/org/helm/notation2/parser/notation/grouping/GroupingOr.java
public String toHELM2() {
    DecimalFormat d = new DecimalFormat("#.##");
    StringBuilder notation = new StringBuilder();
    for (int i = 0; i < elements.size(); i++) {
      if (!(elements.get(i).isDefaultValue())) {
        String value = d.format(elements.get(i).getValue().get(0)).replace(',', '.');
        if (elements.get(i).getValue().size() > 1) {
          value += "-" + d.format(elements.get(i).getValue().get(1)).replace(',', '.');
        }
        notation.append(elements.get(i).getID() + ":" + value + ",");
      } else {
        notation.append(elements.get(i).getID() + ",");
      }
    }
    notation.setLength(notation.length() - 1);
    return notation.toString();
  }
public String toHELM2() {
    DecimalFormat d = new DecimalFormat("#.##");
    StringBuilder notation = new StringBuilder();
    for (int i = 0; i < elements.size(); i++) {
      if (!(elements.get(i).isDefaultValue())) {
        String value = d.format(elements.get(i).getValue().get(0)).replace(',', '.');
        if (elements.get(i).getValue().size() > 1) {
          value += "-" + d.format(elements.get(i).getValue().get(1)).replace(',', '.');
        }
        notation.append(elements.get(i).getID() + ":" + value + ",");
      } else {
        notation.append(elements.get(i).getID() + ",");
      }
    }
    notation.setLength(notation.length() - 1);
    return notation.toString();
  }
{@inheritDoc}