$Revision: 1666 $
$Date: 2002-06-12 13:19:37 +0200 (Wed, 12 Jun 2002) $
constraint — A constraint in an EBNF production
constraint ::= EMPTY
Name |
Type |
Default |
linkend | IDREF | Required |
This element is only available if you are using the EBNF Module.
A Constraint
is a cross-reference to a
description of a constraint that cannot be expressed in the grammar
(generally logical rather than syntactic constraints).