Description of the illustration implementation_clause.eps
{ ANCILLARY TO primary_operator
( parameter_type [, parameter_type ]...)
[, primary_operator
( parameter_type [, parameter_type ]...)
]...
| context_clause
}
{ ANCILLARY TO primary_operator
( parameter_type [, parameter_type ]...)
[, primary_operator
( parameter_type [, parameter_type ]...)
]...
| context_clause
}