tgstation/-tg-station — pull request #1053 by Giacomand (2013-08-01 23:30:29+00:00)
Title:  Runtime fixes.

runtime error: Cannot execute null.on reagent change().
proc name: del reagent (/datum/reagents/proc/del_reagent)
source file: Chemistry-Holder.dm,308
usr: null
src: /datum/reagents (/datum/reagents)
call stack:
/datum/reagents (/datum/reagents): del reagent("pacid")
/datum/reagents (/datum/reagents): clear reagents()
Chemsmoke (/datum/chemical_reaction/chemsmoke): on reaction(/datum/reagents (/datum/reagents), null)

runtime error: Division by zero
proc name: Topic (/datum/song/Topic)
source file: musician.dm,193
usr: Tico-Tico Tambien (/mob/living/carbon/human)
src: Untitled (/datum/song)
call stack:
Untitled (/datum/song): Topic("src=\[0x210054cd];import=1", /list (/list))