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Changes between Initial Version and Version 1 of Ticket #5922, comment 18

initial	v1
1	1	What is the desired private message behavior? Is it to only allow private messages to friends or is it allow private messages to anyone, but we'd prefer you only send messages to your friends? Or should we make it explicit so that a site admin can choose the behavior? I favor letting the site admin have easy control, since open private messaging tends to be abused by bots.
2	2
3		I also wondered if we could extend the new mentions API to handle these "send-to" style inputs (would also be useful to plugins like Invite Anyone).
	3	Scratch this, since it looks like it is already true: I also wondered if we could extend the new mentions API to handle these "send-to" style inputs (would also be useful to plugins like Invite Anyone).