Defition   : OPT_MERCIFUL_COMBAT

Defined in : #include <options.h>

Usage      : player->query_option(OPT_MERCIFUL_COMBAT)

Description: Selects whether the player wants to be merciful in his/her
             combat. Merciful combat means that upon victory, the victim
             is not killed, but only knocked unconscious.

Values     : 0 - Be unmerciful. Just kill the victim.
             1 - Be merciful in combat upon victory.