| <null> | (Null value) represents the null set if org=set is specified for the feature of which it is the value; represents the null bag if org=bag is specified for the feature of which it is the value; represents the null list if org=list is specified for the feature of which it is the value; has no interpretation if org=single is specified for the feature of which it is the value. | |
| Attributes: | ||
| Example |
<f name=empty org=list><null> | |
| Note | If the <null> element occurs as the value of a feature, it must be the only value. It is also a semantic error for the org attribute of that feature to have the value single. | |
| Tagset | additional tag set for feature structures | |
| Class | featureVal | |
| Filename | teifs2 | |
| Content: | Empty element. | |
| Parents | f fvLib if vAlt vDefault vRange | |
| Children | [none] | |
| Declaration | <!ELEMENT null - O EMPTY > <!ATTLIST null %a.global > | |
| See | 16.6 | |