Backward 512 compatibility removal.

code/_onclick/hud/picture_in_picture.dm

@@ -102,8 +102,8 @@
 		add_overlay(standard_background)
 
 /obj/screen/movable/pic_in_pic/proc/set_view_size(width, height, do_refresh = TRUE)
-	width = CLAMP(width, 0, max_dimensions)
-	height = CLAMP(height, 0, max_dimensions)
+	width = clamp(width, 0, max_dimensions)
+	height = clamp(height, 0, max_dimensions)
 	src.width = width
 	src.height = height
 

code/_onclick/item_attack.dm

@@ -155,9 +155,9 @@
 /obj/item/proc/get_clamped_volume()
 	if(w_class)
 		if(force)
-			return CLAMP((force + w_class) * 4, 30, 100)// Add the item's force to its weight class and multiply by 4, then clamp the value between 30 and 100
+			return clamp((force + w_class) * 4, 30, 100)// Add the item's force to its weight class and multiply by 4, then clamp the value between 30 and 100
 		else
-			return CLAMP(w_class * 6, 10, 100) // Multiply the item's weight class by 6, then clamp the value between 10 and 100
+			return clamp(w_class * 6, 10, 100) // Multiply the item's weight class by 6, then clamp the value between 10 and 100
 
 /mob/living/proc/send_item_attack_message(obj/item/I, mob/living/user, hit_area)
 	var/message_verb = "attacked"

code/_onclick/observer.dm

@@ -5,7 +5,7 @@
 			return									// seems legit.
 
 	// Things you might plausibly want to follow
-	if(ismovableatom(A))
+	if(ismovable(A))
 		ManualFollow(A)
 
 	// Otherwise jump