Remove

EBNF

Remove = (R,E,M,O,V,E), SP, RemoveItem, { [SP], ',', [SP], RemoveItem } ;

RemoveItem = (Variable, NodeLabels)
           | PropertyExpression
           ;

Variable = SymbolicName ;

NodeLabels = NodeLabel, { [SP], NodeLabel } ;

NodeLabel = ':', [SP], LabelName ;

LabelName = SchemaName ;