nesting.rb in prawn-2.3.0

- old
+ new

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 # Normally when we provide the top left corner of a bounding box we
 # express the coordinates relative to the margin box. This is not the
 # case when we have nested bounding boxes. Once nested the inner bounding box
 # coordinates are relative to the outter bounding box.
 #