A moment's further thought reveals 'today' as another potentially broken
default value, which seems more likely to be used in practice than 'yesterday' or 'tomorrow'. I'm too beat to go digging for other legal
inputs, but there may be some...
Ah, I didn't mention that one because I thought it was obvious and had already been mentioned :P
Chris
---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
