Name:		light room

Object:		/doc/examples/spells/spell_book.c
		/doc/examples/spells/light.c

Cost:		5 mana

Description:	It lights up the room in which you are standing a short time
		with one light factor. Success depends on the wisdom and
		skill in spellcraft of the player. Duration of light depends
		on the intelligence and skill in spellcraft.

		duration = int / 5 + spellcraft / 3 + 45

Requirements:	That you hold the spell book.

