GitHub user sebbASF opened an issue:
Bug: does not handle missing or empty subjects well
If an email does not have a subject or it is empty, the GUI does not
allocate enough height to properly display the buttons (replies, date, atom),
and there is no link to open the message.
It's just about possible to click on the Atom link.
By default ezmlm does not allow an empty subject, but there may be lists
that allow them, so ideally the code should cater for this.
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