![cgd](/assets/img/avatar_default.png)
(from Masanobu Saitoh <saitoh@spa.is.uec.ac.jp> in pr 982.) Also, fix usage string and manual page to note that width argument for -w is _not_ optional.
(from Masanobu Saitoh <saitoh@spa.is.uec.ac.jp> in pr 982.) Also, fix usage string and manual page to note that width argument for -w is _not_ optional.