Commit 7817cd7edd94b80e3d851189ad1290661e109c7c Parent 32fb4068515058748ca78664302ecb1d5124adcb Author John MacFarlane <jgm@berkeley.edu> Date Sat, 3 Jan 2015 15:10:29 -0800 Make clear that any sequence of characters is a valid document. Closes #266 in a slightly different way than @anko's PR.