tree db0ca29acf8f4213ce264c42604dcbc463e92fcd
parent 981125aa2adbe4f513d3ecf357459e5bcfd06d0a
author Ebrahim Byagowi <ebrahim@gnu.org> 1580155719 +0330
committer Ebrahim Byagowi <ebrahim@gnu.org> 1580156034 +0330

[outline] use hb_object_is_immutable instead comparing to Null