Subject is empty. Send it anyway?
problem
Gajim does not ask for sending Single Message confirmation when Subject is empty.
enhancement recommendation
Ask user if it still wants to send a Single Message if the Subject field is empty.
From Claws Mail:
Windows title is Send
Send
Subject is empty. Send it anyway?
[Cancel] [Send]
It may be an Info Bar #7194 (closed) or a Transient dialog #7185 (closed).
I like it to be an Info Bar.