candy-chat/candy-plugins — pull request #41 by drewww (2013-02-22 21:34:38+00:00)
Title: Clicking names will copy that user's name to the text input for easy replying

This overrides the click-name-to-pm behavior which I understand may not be desirable for everyone (though it was hotly requested amongst my users) so it's exposed as an option. Since you can PM by clicking in the roster list too, didn't seem super controversial to remap that event.