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DocBook 5: The Definitive Guide by Richard L. Hamilton, Norman Walsh

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Name

nonterminal — A nonterminal in an EBNF production

Synopsis

nonterminal ::= text

Attribute synopsis

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

See productionset.

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