Text Encoding Initiative |
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The XML Version of the TEI Guidelines<null> |
<null> | (Null value) represents the null set, bag, or list, depending on whether the org attribute of its parent <f> has the value set, bag, or list; has no interpretation if the org attribute of its parent <f> element has the value single. | |
Attributes | Global attributes and those inherited from featureVal | |
Example |
<f name="empty" org="list"><null/></f> |
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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. |
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Module | Declared in file teifs2; Additional tag set for feature structures: enabled by TEI.fs | |
Class | featureVal | |
Data Description | Empty element. | |
May occur within | f fvLib vAlt | |
Declaration | <!ELEMENT null %om.RO; EMPTY> <!ATTLIST null %a.global;> |
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See further | 16.6 Singleton, Set, Bag and List Collections of Values |
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