1. 9fed83a hush: fix false positive in unset.tests by Denys Vlasenko · 7 years ago
  2. b28d4c3 ash: [VAR] Move unsetvar functionality into setvareq by Denys Vlasenko · 7 years ago
  3. d690f68 implement `unset` semantics as required by POSIX by Mike Frysinger · 16 years ago