At the moment, admin closes the suggestion ticket whenever he thinks he provided the correct answer. Yet the answer might not always be correct. (see the links above for an example). It a ticket is closed, the author of the improvement cannot reopen it or even make a further suggestion.
Expert rating8.33
Public rating8.33
Voting is completed
If a ticket has been closed, the author should be able to suggest an improvement that would automatically reopen the ticket.