choice
Indicates optionality.
Attribute information
Type: db.paramdef.choice.enumeration
Properties: Local, Unqualified
Value
Valid value Description opt Formatted to indicate that it is optional. req Formatted to indicate that it is required.
Used in
- Attribute group db.paramdef.attlist
- Attribute group db.paramdef.choice.attribute
- Anonymous type of element paramdef via reference to db.paramdef.attlist