Use key_bindings_remove for unbind-key -a to allow it to work from key bindings. From "miaout17" SF bug 3392063.
Use key_bindings_remove for unbind-key -a to allow it to work from key
bindings. From "miaout17" SF bug 3392063.

klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux,klaxalk/tmux