Jeremy Stanley 6ef4f4bc8f Emit an error for a missing E-mail template
Instead of silently doing nothing when asked to render a message for
an event with no available template, return nonzero and provide an
explanation.

Change-Id: I8b86ad1d90f8e83f0d37cade73a94be041b07ae7
2019-08-22 19:18:21 +00:00
..
2019-01-10 19:26:52 +08:00
2019-01-10 19:26:52 +08:00