constraintdef

constraintdef — The definition of a constraint in an EBNF production.

Synopsis

constraintdef ::= [-]

Additional Constraints

  • If this element is the root element, it must have a version attribute.

Description

A constraintdef contains a description of a constraint that cannot be expressed in the grammar (generally logical rather than syntactic constraints).

Processing expectations

Formatted as a displayed block.

Last revised by Norman Walsh on 6 Jun 2011 (git hash: 6ffcc7640bbc5f852a318e452c9f210f03292cb9)