Replaces the default output with the to_chat wrapper.

code/modules/mob/living/brain/MMI.dm

@@ -47,10 +47,10 @@
 	if(istype(O,/obj/item/organ/brain)) //Time to stick a brain in it --NEO
 		var/obj/item/organ/brain/newbrain = O
 		if(brain)
-			user << "<span class='warning'>There's already a brain in the MMI!</span>"
+			to_chat(user, "<span class='warning'>There's already a brain in the MMI!</span>")
 			return
 		if(!newbrain.brainmob)
-			user << "<span class='warning'>You aren't sure where this brain came from, but you're pretty sure it's a useless brain!</span>"
+			to_chat(user, "<span class='warning'>You aren't sure where this brain came from, but you're pretty sure it's a useless brain!</span>")
 			return
 
 		if(!user.transferItemToLoc(O, src))
@@ -86,9 +86,9 @@
 /obj/item/device/mmi/attack_self(mob/user)
 	if(!brain)
 		radio.on = !radio.on
-		user << "<span class='notice'>You toggle the MMI's radio system [radio.on==1 ? "on" : "off"].</span>"
+		to_chat(user, "<span class='notice'>You toggle the MMI's radio system [radio.on==1 ? "on" : "off"].</span>")
 	else
-		user << "<span class='notice'>You unlock and upend the MMI, spilling the brain onto the floor.</span>"
+		to_chat(user, "<span class='notice'>You unlock and upend the MMI, spilling the brain onto the floor.</span>")
 		eject_brain(user)
 		update_icon()
 		name = "Man-Machine Interface"
@@ -146,13 +146,13 @@
 	set popup_menu = 0
 
 	if(brainmob.stat)
-		brainmob << "<span class='warning'>Can't do that while incapacitated or dead!</span>"
+		to_chat(brainmob, "<span class='warning'>Can't do that while incapacitated or dead!</span>")
 	if(!radio.on)
-		brainmob << "<span class='warning'>Your radio is disabled!</span>"
+		to_chat(brainmob, "<span class='warning'>Your radio is disabled!</span>")
 		return
 
 	radio.listening = radio.listening==1 ? 0 : 1
-	brainmob << "<span class='notice'>Radio is [radio.listening==1 ? "now" : "no longer"] receiving broadcast.</span>"
+	to_chat(brainmob, "<span class='notice'>Radio is [radio.listening==1 ? "now" : "no longer"] receiving broadcast.</span>")
 
 /obj/item/device/mmi/emp_act(severity)
 	if(!brainmob || iscyborg(loc))
@@ -195,13 +195,13 @@
 	if(brainmob)
 		var/mob/living/brain/B = brainmob
 		if(!B.key || !B.mind || B.stat == DEAD)
-			user << "<span class='warning'>The MMI indicates the brain is completely unresponsive.</span>"
+			to_chat(user, "<span class='warning'>The MMI indicates the brain is completely unresponsive.</span>")
 
 		else if(!B.client)
-			user << "<span class='warning'>The MMI indicates the brain is currently inactive; it might change.</span>"
+			to_chat(user, "<span class='warning'>The MMI indicates the brain is currently inactive; it might change.</span>")
 
 		else
-			user << "<span class='notice'>The MMI indicates the brain is active.</span>"
+			to_chat(user, "<span class='notice'>The MMI indicates the brain is active.</span>")
 
 
 /obj/item/device/mmi/syndie

code/modules/mob/living/brain/brain_item.dm

@@ -56,7 +56,7 @@
 		C.dna.copy_dna(brainmob.stored_dna)
 	if(L.mind && L.mind.current && (L.mind.current.stat == DEAD))
 		L.mind.transfer_to(brainmob)
-	brainmob << "<span class='notice'>You feel slightly disoriented. That's normal when you're just a brain.</span>"
+	to_chat(brainmob, "<span class='notice'>You feel slightly disoriented. That's normal when you're just a brain.</span>")
 
 /obj/item/organ/brain/attackby(obj/item/O, mob/user, params)
 	user.changeNext_move(CLICK_CD_MELEE)
@@ -69,16 +69,16 @@
 	if(brainmob)
 		if(brainmob.client)
 			if(brainmob.health <= HEALTH_THRESHOLD_DEAD)
-				user << "It's lifeless and severely damaged."
+				to_chat(user, "It's lifeless and severely damaged.")
 			else
-				user << "You can feel the small spark of life still left in this one."
+				to_chat(user, "You can feel the small spark of life still left in this one.")
 		else
-			user << "This one seems particularly lifeless. Perhaps it will regain some of its luster later."
+			to_chat(user, "This one seems particularly lifeless. Perhaps it will regain some of its luster later.")
 	else
 		if(decoy_override)
-			user << "This one seems particularly lifeless. Perhaps it will regain some of its luster later."
+			to_chat(user, "This one seems particularly lifeless. Perhaps it will regain some of its luster later.")
 		else
-			user << "This one is completely devoid of life."
+			to_chat(user, "This one is completely devoid of life.")
 
 /obj/item/organ/brain/attack(mob/living/carbon/C, mob/user)
 	if(!istype(C))
@@ -90,7 +90,7 @@
 		return ..()
 
 	if((C.head && (C.head.flags_cover & HEADCOVERSEYES)) || (C.wear_mask && (C.wear_mask.flags_cover & MASKCOVERSEYES)) || (C.glasses && (C.glasses.flags & GLASSESCOVERSEYES)))
-		user << "<span class='warning'>You're going to need to remove their head cover first!</span>"
+		to_chat(user, "<span class='warning'>You're going to need to remove their head cover first!</span>")
 		return
 
 //since these people will be dead M != usr
@@ -107,10 +107,10 @@
 						"<span class='userdanger'>[msg]</span>")
 
 		if(C != user)
-			C << "<span class='notice'>[user] inserts [src] into your head.</span>"
-			user << "<span class='notice'>You insert [src] into [C]'s head.</span>"
+			to_chat(C, "<span class='notice'>[user] inserts [src] into your head.</span>")
+			to_chat(user, "<span class='notice'>You insert [src] into [C]'s head.</span>")
 		else
-			user << "<span class='notice'>You insert [src] into your head.</span>"	//LOL
+			to_chat(user, "<span class='notice'>You insert [src] into your head.</span>"	)
 
 		Insert(C)
 	else

code/modules/mob/living/brain/posibrain.dm

@@ -48,7 +48,7 @@ var/global/posibrain_notif_cooldown = 0
 /obj/item/device/mmi/posibrain/attack_self(mob/user)
 	if(brainmob && !brainmob.key && !notified)
 		//Start the process of requesting a new ghost.
-		user << begin_activation_message
+		to_chat(user, begin_activation_message)
 		ping_ghosts("requested", FALSE)
 		notified = 1
 		used = 0
@@ -98,7 +98,7 @@ var/global/posibrain_notif_cooldown = 0
 
 /obj/item/device/mmi/posibrain/proc/transfer_personality(mob/candidate)
 	if(used || (brainmob && brainmob.key)) //Prevents hostile takeover if two ghosts get the prompt or link for the same brain.
-		candidate << "This brain has already been taken! Please try your possession again later!"
+		to_chat(candidate, "This brain has already been taken! Please try your possession again later!")
 		return FALSE
 	notified = 0
 	if(candidate.mind && !isobserver(candidate))
@@ -106,7 +106,7 @@ var/global/posibrain_notif_cooldown = 0
 	else
 		brainmob.ckey = candidate.ckey
 	name = "[initial(name)] ([brainmob.name])"
-	brainmob << welcome_message
+	to_chat(brainmob, welcome_message)
 	brainmob.mind.assigned_role = new_role
 	brainmob.stat = CONSCIOUS
 	dead_mob_list -= brainmob
@@ -131,7 +131,7 @@ var/global/posibrain_notif_cooldown = 0
 	else
 		msg = "[dead_message]"
 
-	user << msg
+	to_chat(user, msg)
 
 /obj/item/device/mmi/posibrain/New()
 	brainmob = new(src)