nonterminal

nonterminal — A non-terminal in an EBNF production.

Synopsis

nonterminal ::=

  • text

Attributes

Common linking attributes.

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 linking attributes.

any attribute

Any attribute in any other explicit namespace

def

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

Examples

See productionset.