The "test-alert" command:

Usage: fossil test-alert EVENTID ...

Generate the text of an email alert for all of the EVENTIDs
listed on the command-line.  Or if no events are listed on the
command line, generate text for all events named in the
pending_alert table.

This command is intended for testing and debugging the logic
that generates email alert text.

Options:

     --digest           Generate digest alert text
     --needmod          Assume all events are pending moderator approval