toy/image_size — pull request #5 by walf443 (2013-02-24 12:08:43+00:00)
Title:  default literal encoding is UTF-8 since ruby2.0.0-p0. So It should be declare ASCII-8BIT explicitly. ref #1

default literal encoding is UTF-8 since ruby2.0.0-p0. So It should be declare ASCII-8BIT explicitly. ref #1