choice

Indicates optionality.

Attribute information

Namespace: None

Schema document: docbook.xsd

Other attributes with the same name: choice

Properties: Local, Unqualified

Type based on xsd:token

Valid value Description
opt Formatted to indicate that it is optional.
plain Formatted without indication.
req Formatted to indicate that it is required.

Valid value	Description
opt	Formatted to indicate that it is optional.
plain	Formatted without indication.
req	Formatted to indicate that it is required.

Attribute group db.arg.attlist
Attribute group db.choice.opt.attribute
Attribute group db.choice.req.attribute
Attribute group db.group.attlist
Attribute group db.methodparam.attlist
Anonymous type of element arg via reference to db.arg.attlist
Anonymous type of element group via reference to db.group.attlist
Anonymous type of element methodparam via reference to db.methodparam.attlist
Attribute group db.arg.choice.attribute via reference to db.choice.opt.attribute
Attribute group db.group.choice.attribute via reference to db.choice.opt.attribute
Attribute group db.methodparam.choice.attribute via reference to db.choice.req.attribute