compute_diff WORD input_original.txt input_sample.txt output_original_sample.diff apply_diff WORD input_original.txt output_original_sample.diff output_applied.txt assert_same WORD input_sample.txt output_applied.txt invert_diff WORD input_original.txt output_original_sample.diff output_inverted.diff apply_diff WORD input_sample.txt output_inverted.diff output_reapplied.txt assert_same WORD input_original.txt output_reapplied.txt compute_diff WORD input_sample.txt input_original.txt output_sample_original.diff assert_same_diff WORD output_inverted.diff output_sample_original.diff render_diff WORD input_original.txt output_original_sample.diff output_original_sample.html