DocBook Publishers: The Definitive Guide  (Version 1.2.1 for DocBook 5.1)

primary

primary — The primary word or phrase under which an index term should be sorted.

Synopsis

primary ::= [-]

Attributes

Common attributes and common linking attributes.

Additional attributes:

  • sortas

Description

In an indexterm, primary identifies the most significant word or words in the entry. All indexterms must have a primary.

Processing expectations

Suppressed. This element provides data for processing but it is not rendered in the primary flow of text.

Attributes

Common attributes and common linking attributes.

sortas

Specifies the string by which the term is to be sorted; if unspecified, the term content is used

Parents

These elements contain primary: indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange).

Children

The following elements occur in primary: text, abbrev, acronym, alt, anchor, author, biblioref, citation, citebiblioid, citetitle, coref, date, editor, email, emphasis (db._emphasis), emphasis (db.emphasis), firstterm (db._firstterm), firstterm (db.firstterm), footnote, footnoteref, foreignphrase (db._foreignphrase), foreignphrase (db.foreignphrase), glossterm (db._glossterm), glossterm (db.glossterm), indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), inlineequation, inlinemediaobject, jobtitle, link, literal, olink, optional, org, orgname, person, personname, phrase (db._phrase), phrase (db.phrase), productname, productnumber, quote (db._quote), quote (db.quote), remark, subscript, superscript, termdef, trademark, uri, wordasword, xref.