tree 05a56e7351a58aae6bb020db0564d5d4fc34a118
parent 12414d6879d9b0a1409b071ead47e95160e1aa85
author Jeff Thompson <jefft0@gmail.com> 1374883839 -0700
committer Jeff Thompson <jefft0@gmail.com> 1374883839 -0700

In from_ccnb, set fields null if absent.