Comment 11 for bug 215499

Good news: in Gnome Bugzilla this bug was reassigned to GIO, and work on the patch has started. Hope an upgrade for Ubuntu will be packaged as soon as possible.

offtopic: please, do not think in the ways of paper bureaucracy. This is really bad way of thinking. I live in Russia, so I know what I'm talking about.
Identical digital copies are not the documents (plural), they are the document (single). So timestamps must be also identical, until file changed.