This is a proposal for a new function.
I think an option like send later like in Firefox would also be something useful for XMPP clients. That means you can schedule when you want to send a message. That would be extremely useful if you have something you want to send on a certain date or if you don't want to forget it but just don't want to have a chat now.
Deleting a branch is permanent. It CANNOT be undone. Continue?