PaceRepeatIdInDocument
+1 over any attempt to clearly specify that it is not allowed to be repeated.
It is better to be clear than to be ambiguous. But it is better to be ambiguous than to close the doors on rich possibilities just for the sake of clarity.
This proposal is clearly better than the counter proposal asking for a limitation: - the counter proposal is forced to invent all kinds of new entities such as archive feeds to accomplish the goals of the charter. These are not needed either by the ambiguous current spec, or of course by one that applies this proposal - the counter proposal is making life more difficult for deployers of atom who instead of just being able to paste their new entry into a feed document must now verify that that document not have another entity with the same id.
Henry Story
