mods: this story is marked as [dupe], but I don't seem to be able to find another version of it. Has someone abused that mechanism, for whatever reason? It migh

mods: this story is marked as [dupe], but I don't seem to be able to find another version of it. Has someone abused that mechanism, for whatever reason? It might be good if one is required to provide a url in order to mark a story as duplicate.