tree 88a4c2a38e57b9589f52c57ab8f56befd7a77cf9
parent 7c8a2f4adf8502ab2ca921944427e35cde069b6c
author Hyejin Kim <hj8296@gmail.com> 1432536716 -0500
committer Rob Landley <rob@landley.net> 1433092355 -0500

On testing fold command, I found w option didnt check the range of value.