Developer credits
Git commits in Moodle 3.8.3 by fujiwara
commit 926277865cb1167e290fc0dcc2bffa38f7cd329f Author: fujiwara <shintaro.fujiwara@gmail.com> Date: Mon, 04 May 2020 20:43:57 +0800 Tag: v3.8.3 MDL-68415 email: Fix attachment in email_to_user()