span.rb in prawn-2.4.0

- old
+ new

@@ -49,10 +49,11 @@
       canvas do
         bounding_box(
           [
             left_boundary,
             margin_box.absolute_top
-          ], width: width
+          ],
+          width: width
         ) do
           self.y = original_position
           yield
         end
       end