Anonymous class and namespace are authorized by this two rules. But it is a problem for the filters. Make 2 filters, one to put a name and another to delete it. ClassKey Identifier? BaseClause? -> ClassHead "namespace" "{" NamespaceBody "}" -> UnnamedNamespaceDefinition You can put a invalid name to find them easily when deleting them (e.g. using '<concat-strings>["#",<new>]' and 'where(explode-string;[35|id])'). Tell me when you are starting it. -- Valentin David valentin(a)lrde.epita.fr