public void enterNamedAttribute() {
    Text name = Text.empty();
    Text value = Text.empty();
    attList.add(Attribute.of(name, value));

    textObjects.push(value);
    textObjects.push(name);
  }
 public void enterOptionAttribute() {
   Text text = Text.empty();
   attList.add(Attribute.of("options", text));
   textObjects.push(text);
 }
 public void enterPositionalAttribute() {
   Text value = Text.empty();
   attList.add(Attribute.of((String) null, value));
   textObjects.push(value);
 }
 public void enterRoleAttribute() {
   Text text = Text.empty();
   attList.add(Attribute.of("role", text));
   textObjects.push(text);
 }