DocBook 5.1: The Definitive Guide  (Version 1.5.3 for DocBook 5.1)

nonterminal

nonterminal — A non-terminal in an EBNF production.

Synopsis

nonterminal ::=

  • text

Attributes

Common attributes and common linking attributes.

Additional attributes:

  • def (anyURI)

Required attributes are shown in bold.

Description

A nonterminal is a symbol in an EBNF production that represents a portion of the grammar.

Processing expectations

Formatted inline.

Notice that the def attribute is not an IDREF, it is a URI. References to nonterminals often cross document boundaries, making ID/IDREF linking impossible.

Attributes

Common attributes and common linking attributes.

def

Specifies a URI that points to a production where the nonterminal is defined

Examples