set-option -g base-index 1
set-option -g pane-base-index 1
# Renumber windows sequentially after closing any of them
-#set-option -g renumber-windows on
-# Option renumber-windows was implemented in tmux 1.7, tmux in Debian 7 is 1.6.
+set-option -g renumber-windows on
# Attempt to set the client terminal title
set-option -g set-titles on