Commit 7b3dec668487456cc89e58148f6f933b7fded2a7 Parent 7274556fb19a2da10ae8a0644c2710c191ab85b1 Author John MacFarlane <fiddlosopher@gmail.com> Date Sat, 6 Sep 2014 23:03:33 -0700 spec: Clarify that a blank line may have no characters. Closes #79.