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 28 Apr 2016 (git hash: 8efbb30ec1f2a59299576c057927c2032216aea4)