Interval formatting didn't work for negative seconds values greater than -1.  It would format it as -.5, but interval input doesn't accept this, so write it as -0.5 instead.
Interval formatting didn't work for negative seconds values greater
than -1.  It would format it as -.5, but interval input doesn't
accept this, so write it as -0.5 instead.

tivv/davepgjdbc,tivv/davepgjdbc