<keywords>
The <keywords> tag belongs in <docinfo> and groups
subject terms or classification codes for the document. It contains one
or more <keyword> elements and may use attributes such
as
Syntax
Attributes
| Attribute | Required? | Values |
|---|---|---|
authority = "…" | optional | string |
variant = "…" | optional | string |
Children
The following may appear as children:<keyword> <title> Parents
This element may appear as an immediate child of the following elements:<bibinfo>