Ports "Cleans up saycode by removing random hook stubs and using a signal where relevant"

code/modules/mob/living/say.dm

@@ -175,13 +175,16 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	else
 		src.log_talk(message, LOG_SAY, forced_by=forced)
 
-	message = treat_message(message)
+	message = treat_message(message) // unfortunately we still need this
+	var/sigreturn = SEND_SIGNAL(src, COMSIG_MOB_SAY, args)
+	if (sigreturn & COMPONENT_UPPERCASE_SPEECH)
+		message = uppertext(message)
 	if(!message)
 		return
 
 	last_words = message
 
-	spans |= get_spans()
+	spans |= speech_span
 
 	if(language)
 		var/datum/language/L = GLOB.language_datum_instances[language]
@@ -332,6 +335,10 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	return null
 
 /mob/living/proc/treat_message(message)
+
+	if(HAS_TRAIT(src, TRAIT_UNINTELLIGIBLE_SPEECH))
+		message = unintelligize(message)
+
 	if(derpspeech)
 		message = derpspeech(message, stuttering)