Mark control commands specially so the client can identify them, based
on a diff from George Nachman a while back.
Always push a focus event when the application turns it on, prompted by
discussion with Hayaki Saito a while ago.
Focus events can cause trouble if left on and they can't be turned off
during idle periods (like the other states are) because we'd miss
events. So add a server option to control them. Defaults to off.
Implement s, S, C mode switch commands in vi(1) mode, from Ben Boeckel.
Whitespace nits, from Ben Boeckel.
When the session option renumber-window is used, ensure we iterate over
all sessions in that group when the winlinks are reordered, otherwise
the winlink lists are out of sync with one another. From Thomas Adam.
Clarify error messages when setting options, from Thomas Adam.
Section on clipboard, from Thomas Adam.
Merge branch 'master' of ssh://git.code.sf.net/p/tmux/tmux-code
Add pane_synchronized format, from Romain Francoise.
Merge branch 'obsd-master'