nonterminal
nonterminal — A non-terminal in an EBNF production.
Synopsis
- 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 thenonterminal
is defined
This element occurs in 52 elements.
Examples
See productionset
.