Updated — Allen Wirfs-Brock 2011/03/10 00:39 2010/12/08 15:16 Revised proposal by Allen Wirfs-Brock Original proposal by Dave Herman and Sam Tobin-Hochstadt is here. In existing ECMAScript, property names are just strings. It is not possible to create unique, unforgable property names that are only known to a limited or controlled set of property accessors. It is possible to create non-enumerabl