    # File lib/rvg/misc.rb, line 372
                    def push()
                        @affine.push(@affine.last.dup)
                        @baseline_shift.push(@baseline_shift.last)
                        @text_anchor.push(@text_anchor.last)
                        @writing_mode.push(@writing_mode.last.dup)
                        @glyph_orientation_vertical.push(@glyph_orientation_vertical.last)
                        @glyph_orientation_horizontal.push(@glyph_orientation_horizontal.last)
                        @letter_spacing.push(@letter_spacing.last)
                        @word_spacing.push(@word_spacing.last)
                    end