Targetted players auto "de-select" upon mouse move

[blackrazor]

Comp:
Pentium 4 2.6GHz
480 Mb RAM
10 Gb free HDD
ASUS motherboard, SiS 32 Mb integrated graphics
Win XP Home SP2

Mana:
Windows installer 0.0.23

If you have a player selected in the arena, the player will automatically "deselect" (un-target) if you attempt to move with the mouse.

Monsters do not deselect in this fashion, not in the arena, nor anywhere else.