Changes some << to to_chat

code/modules/atmospherics/machinery/airalarm.dm

@@ -662,7 +662,7 @@
 				playsound(src.loc, W.usesound, 50, 1)
 				if (do_after(user, 20*W.toolspeed, target = src))
 					if (buildstage == 1)
-						user <<"<span class='notice'>You remove the air alarm electronics.</span>"
+						to_chat(user, "<span class='notice'>You remove the air alarm electronics.</span>")
 						new /obj/item/weapon/electronics/airalarm( src.loc )
 						playsound(src.loc, 'sound/items/Deconstruct.ogg', 50, 1)
 						buildstage = 0

code/modules/clothing/suits/wiz_robe.dm

@@ -224,5 +224,5 @@
 		to_chat(user, "<span class='warning'>The rune can only be used on battlemage armour!</span>")
 		return
 	W.current_charges += 8
-	user <<"<span class='notice'>You charge \the [W]. It can now absorb [W.current_charges] hits.</span>"
+	to_chat(user, "<span class='notice'>You charge \the [W]. It can now absorb [W.current_charges] hits.</span>")
 	qdel(src)

code/modules/mob/living/silicon/ai/ai.dm

@@ -238,7 +238,7 @@
 	else if(icontype == "Angel")
 		icon_state = "ai-angel"
 	//else
-			//usr <<"You can only change your display once!"
+			//to_chat(usr, "You can only change your display once!")
 			//return
 
 /mob/living/silicon/ai/Stat()
@@ -351,7 +351,7 @@
 	if(isAI(usr))
 		var/mob/living/silicon/ai/AI = src
 		if(AI.control_disabled)
-			src	 << "Wireless control is disabled!"
+			to_chat(src, "Wireless control is disabled!")
 			return
 	SSshuttle.cancelEvac(src)
 	return

code/modules/projectiles/guns/energy/special.dm

@@ -138,7 +138,7 @@
 /obj/item/weapon/gun/energy/plasmacutter/examine(mob/user)
 	..()
 	if(power_supply)
-		user <<"<span class='notice'>[src] is [round(power_supply.percent())]% charged.</span>"
+		to_chat(user, "<span class='notice'>[src] is [round(power_supply.percent())]% charged.</span>")
 
 /obj/item/weapon/gun/energy/plasmacutter/attackby(obj/item/A, mob/user)
 	if(istype(A, /obj/item/stack/sheet/mineral/plasma))

code/modules/research/xenobiology/xenobiology.dm

@@ -20,7 +20,7 @@
 		if(Uses >= 5)
 			to_chat(user, "<span class='warning'>You cannot enhance this extract further!</span>")
 			return ..()
-		user <<"<span class='notice'>You apply the enhancer to the slime extract. It may now be reused one more time.</span>"
+		to_chat(user, "<span class='notice'>You apply the enhancer to the slime extract. It may now be reused one more time.</span>")
 		Uses++
 		qdel(O)
 	..()
@@ -146,8 +146,8 @@
 
 	M.docile = 1
 	M.nutrition = 700
-	M <<"<span class='warning'>You absorb the potion and feel your intense desire to feed melt away.</span>"
-	user <<"<span class='notice'>You feed the slime the potion, removing its hunger and calming it.</span>"
+	to_chat(M, "<span class='warning'>You absorb the potion and feel your intense desire to feed melt away.</span>")
+	to_chat(user, "<span class='notice'>You feed the slime the potion, removing its hunger and calming it.</span>")
 	var/newname = copytext(sanitize(input(user, "Would you like to give the slime a name?", "Name your new pet", "pet slime") as null|text),1,MAX_NAME_LEN)
 
 	if (!newname)
@@ -261,10 +261,10 @@
 		to_chat(user, "<span class='warning'>The slime is dead!</span>")
 		return ..()
 	if(M.cores >= 5)
-		user <<"<span class='warning'>The slime already has the maximum amount of extract!</span>"
+		to_chat(user, "<span class='warning'>The slime already has the maximum amount of extract!</span>")
 		return ..()
 
-	user <<"<span class='notice'>You feed the slime the steroid. It will now produce one more extract.</span>"
+	to_chat(user, "<span class='notice'>You feed the slime the steroid. It will now produce one more extract.</span>")
 	M.cores++
 	qdel(src)
 
@@ -288,10 +288,10 @@
 		to_chat(user, "<span class='warning'>The slime is dead!</span>")
 		return ..()
 	if(M.mutation_chance == 0)
-		user <<"<span class='warning'>The slime already has no chance of mutating!</span>"
+		to_chat(user, "<span class='warning'>The slime already has no chance of mutating!</span>")
 		return ..()
 
-	user <<"<span class='notice'>You feed the slime the stabilizer. It is now less likely to mutate.</span>"
+	to_chat(user, "<span class='notice'>You feed the slime the stabilizer. It is now less likely to mutate.</span>")
 	M.mutation_chance = Clamp(M.mutation_chance-15,0,100)
 	qdel(src)
 
@@ -312,10 +312,10 @@
 		to_chat(user, "<span class='warning'>This slime has already consumed a mutator, any more would be far too unstable!</span>")
 		return ..()
 	if(M.mutation_chance == 100)
-		user <<"<span class='warning'>The slime is already guaranteed to mutate!</span>"
+		to_chat(user, "<span class='warning'>The slime is already guaranteed to mutate!</span>")
 		return ..()
 
-	user <<"<span class='notice'>You feed the slime the mutator. It is now more likely to mutate.</span>"
+	to_chat(user, "<span class='notice'>You feed the slime the mutator. It is now more likely to mutate.</span>")
 	M.mutation_chance = Clamp(M.mutation_chance+12,0,100)
 	M.mutator_used = TRUE
 	qdel(src)
@@ -348,7 +348,7 @@
 				return ..()
 			R.vehicle_move_delay = 0
 
-	user <<"<span class='notice'>You slather the red gunk over the [C], making it faster.</span>"
+	to_chat(user, "<span class='notice'>You slather the red gunk over the [C], making it faster.</span>")
 	C.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)
 	C.add_atom_colour("#FF0000", FIXED_COLOUR_PRIORITY)
 	qdel(src)
@@ -373,7 +373,7 @@
 	if(C.max_heat_protection_temperature == FIRE_IMMUNITY_SUIT_MAX_TEMP_PROTECT)
 		to_chat(user, "<span class='warning'>The [C] is already fireproof!</span>")
 		return ..()
-	user <<"<span class='notice'>You slather the blue gunk over the [C], fireproofing it.</span>"
+	to_chat(user, "<span class='notice'>You slather the blue gunk over the [C], fireproofing it.</span>")
 	C.name = "fireproofed [C.name]"
 	C.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)
 	C.add_atom_colour("#000080", FIXED_COLOUR_PRIORITY)

code/modules/shuttle/arrivals.dm

@@ -177,7 +177,7 @@
 
 	Launch(TRUE)
 
-	user << "<span class='notice'>Calling your shuttle. One moment...</span>"
+	to_chat(user, "<span class='notice'>Calling your shuttle. One moment...</span>")
 	while(mode != SHUTTLE_CALL && !damaged)
 		stoplag()
 

code/modules/spells/spell_types/area_teleport.dm

@@ -47,7 +47,7 @@
 					L+=T
 
 		if(!L.len)
-			usr <<"The spell matrix was unable to locate a suitable teleport destination for an unknown reason. Sorry."
+			to_chat(usr, "The spell matrix was unable to locate a suitable teleport destination for an unknown reason. Sorry.")
 			return
 
 		if(target && target.buckled)

code/modules/spells/spell_types/charge.dm

@@ -26,9 +26,9 @@
 				if(M.mind)
 					for(var/obj/effect/proc_holder/spell/S in M.mind.spell_list)
 						S.charge_counter = S.charge_max
-				M <<"<span class='notice'>You feel raw magic flowing through you. It feels good!</span>"
+				to_chat(M, "<span class='notice'>You feel raw magic flowing through you. It feels good!</span>")
 			else
-				M <<"<span class='notice'>you feel very strange for a moment, but then it passes.</span>"
+				to_chat(M, "<span class='notice'>You feel very strange for a moment, but then it passes.</span>")
 				burnt_out = 1
 			charged_item = M
 			break

code/modules/spells/spell_types/devil.dm

@@ -234,7 +234,7 @@
 	else
 		var/list/funky_turfs = RANGE_TURFS(1, user)
 		for(var/turf/closed/solid in funky_turfs)
-			user << "<span class='warning'>You're too close to a wall.</span>"
+			to_chat(user, "<span class='warning'>You're too close to a wall.</span>")
 			return
 		dancefloor_exists = TRUE
 		var/i = 1