Merge.

README.markdown

@@ -23,6 +23,18 @@ Use Pathogen to install.
 You shouldn't need to do anything else, but you can read `:help vitality` if
 you're curious.
 
+Note on later versions of tmux (1.9.x or higher)
+------------------------------------------------
+
+If you find that `FocusLost` events are not working in later versions of tmux
+try adding the following line to your .tmux.conf.
+
+```
+set -g focus-events on
+```
+
+Don't forget to restart all your tmux sessions for this setting to take effect.
+
 License
 -------
 

doc/vitality.txt

@@ -67,6 +67,13 @@ You can tweak the behavior of Vitality by setting a few variables in your
     let g:vitality_fix_focus = 0
     let g:vitality_always_assume_iterm = 1
 
+You might also need to add some configuration to your tmux setup. Later
+versions of tmux (>= 1.9) have Focus events disabled by default. Add the
+following line to your ~/.tmux.conf and then restart or reload all your tmux
+sessions.
+
+    set -g focus-events on
+
 ------------------------------------------------------------------------------
 2.1 g:vitality_fix_cursor                                *vitality_fix_cursor*