# File lib/math_ml/latex.rb, line 400
                        def push_container(container, scanner=@scanner, font=@font)
                                data = [@container, @scanner, @font]
                                @container, @scanner, @font = [container, scanner, font]
                                begin
                                        yield container
                                        container
                                ensure
                                        @container, @scanner, @font = data
                                end
                        end