Ron Teitelbaum wrote
> (DateAndTime fromString: '1990-01-01T00:00:00Z') asDate start ->
> 1990-01-01T00:00:00-04:00
I don't understand. On Pharo 6.1, `(DateAndTime fromString:
'1990-01-01T00:00:00Z') asDate start. "-> 1990-01-01T00:00:00+00:00"`
The start DateAndTime instVar is exactly what the patch changes.