poison water can be told to be nice

game/modules/tome/data/general/grids/water.lua

@@ -164,6 +164,8 @@ newEntity{
 	mindam = resolvers.mbonus(10, 25),
 	maxdam = resolvers.mbonus(20, 50),
 	on_stand = function(self, x, y, who)
+		if self.faction and who:reactionToward(self.faction) >= 0 then return end
+
 		local DT = engine.DamageType
 		local dam = DT:get(DT.POISON).projector(self, x, y, DT.POISON, rng.range(self.mindam, self.maxdam))
 		if dam > 0 then game.logPlayer(who, "The water poisons you!") end