Using negative values for dx, dy, and dz doesn't work
When testing for entity in cubic areas, placing - in dx,dy,dz won't work
Exact command used:
/testfor @p[x=9988,y=56,z=10000,dx=4,dy=-2,dz=4]
2014-01-17, 07:14 AM
2014-08-05, 01:56 AM
2014-01-17, 06:55 PM
0
4
-