Tom Lane dea2b5960a Improve header output from psql's \watch command.
Include the \pset title string if there is one, and shorten the prefab
part of the header to be "timestamp (every Ns)".  Per suggestion by
David Johnston.

Michael Paquier and Tom Lane
2016-03-21 18:18:13 -04:00
..
2015-06-30 14:01:15 -04:00