Small code improvements

eid_api.lua

@@ -264,7 +264,7 @@ end
 -- returns the current text position
 function EID:getTextPosition()
 	local posVector = Vector(EID.UsedPosition.X, EID.UsedPosition.Y)
-	for a,modifier in pairs(EID.PositionModifiers) do
+	for _, modifier in pairs(EID.PositionModifiers) do
 		posVector = posVector + modifier
 	end
 	return posVector