nl_tokens: Creates a new subclass .
pl_tokens: function ( ) { var Class = makeCtor ( ) , proto ; Class . ClassMixin = Mixin . create ( this . ClassMixin ) ; Class . PrototypeMixin = Mixin . create ( this . PrototypeMixin ) ; Class . ClassMixin . ownerConstructor = Class ; Class . PrototypeMixin . ownerConstructor = Class ; reopen . apply ( Class . PrototypeMixin , arguments ) ; Class . superclass = this ; Class . __super__ = this . prototype ; proto = Class . prototype = o_create ( this . prototype ) ; proto . constructor = Class ; generateGuid ( proto ) ; meta ( proto ) . proto = proto ; // this will disable observers on prototype Class . ClassMixin . apply ( Class ) ; return <mask> ; }