# File lib/prawn/document.rb, line 439 def group(second_attempt=false) old_bounding_box = @bounding_box @bounding_box = SimpleDelegator.new(@bounding_box) def @bounding_box.move_past_bottom raise RollbackTransaction end success = transaction { yield } unless success raise CannotGroup if second_attempt old_bounding_box.move_past_bottom group(second_attempt=true) { yield } end @bounding_box = old_bounding_box end