diff --git a/.tmux.conf b/.tmux.conf
index 7d79b4e..5185343 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -140,22 +140,21 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 
 # # exit the script if any statement returns a non-true return value
 # set -e
-# # exit the script on dereferencing uninitialised variables
-# set -o nounset
 #
 # apply_theme() {
 #   case "$1" in
 #     powerline_patched_font)
-#       left_separator_light='⮁'
-#       left_separator_bold='⮀'
-#       right_separator_light='⮃'
-#       right_separator_bold='⮂'
+#       left_separator=''
+#       left_separator_black=''
+#       right_separator=''
+#       right_separator_black=''
+#       session_symbol=''
 #       ;;
 #     powerline)
-#       left_separator_light='|'
-#       left_separator_bold=' '
-#       right_separator_light='|'
-#       right_separator_bold=' '
+#       left_separator='|'
+#       left_separator_black=' '
+#       right_separator='|'
+#       right_separator_black=' '
 #       ;;
 #   esac
 #
@@ -193,7 +192,7 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #
 #       session_fg=colour16  # black
 #       session_bg=colour226 # yellow
-#       status_left="#[fg=$session_fg,bg=$session_bg,bold] ❐ #S #[fg=$session_bg,bg=$status_bg,nobold]$left_separator_bold"
+#       status_left="#[fg=$session_fg,bg=$session_bg,bold] ❐ #S #[fg=$session_bg,bg=$status_bg,nobold]$left_separator_black"
 #       tmux set -g status-left-length 32 \; set -g status-left "$status_left"
 #
 #       window_status_fg=colour245 # light gray
@@ -203,7 +202,7 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #
 #       window_status_current_fg=colour16 # black
 #       window_status_current_bg=colour39 # light blue
-#       window_status_current_format="#[fg=$window_status_bg,bg=$window_status_current_bg]$left_separator_bold#[fg=$window_status_current_fg,bg=$window_status_current_bg,noreverse,bold] #I $left_separator_light #W #[fg=$window_status_current_bg,bg=$status_bg,nobold]$left_separator_bold"
+#       window_status_current_format="#[fg=$window_status_bg,bg=$window_status_current_bg]$left_separator_black#[fg=$window_status_current_fg,bg=$window_status_current_bg,bold] #I $left_separator #W #[fg=$window_status_current_bg,bg=$status_bg,nobold]$left_separator_black"
 #       tmux setw -g window-status-current-format "$window_status_current_format"
 #       tmux set -g status-justify left
 #
@@ -218,10 +217,9 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #       whoami_bg=colour160     # red
 #       host_fg=colour16        # black
 #       host_bg=colour254       # white
-#       status_right="#[fg=$time_date_fg]$right_separator_light %R $right_separator_light %d %b #[fg=$whoami_bg,bg=$time_date_bg,nobold]$right_separator_bold#[fg=$whoami_fg,bg=$whoami_bg,nobold] #(whoami) #[fg=$status_fg,nobold]$right_separator_bold#[fg=$host_fg,bg=$host_bg,bold] #h "
+#       status_right="#[fg=$time_date_fg,nobold]$right_separator %R $right_separator %d %b #[fg=$whoami_bg,bg=$time_date_bg,nobold]$right_separator_black#[fg=$whoami_fg,bg=$whoami_bg,nobold] #(whoami) $right_separator_black#[fg=$host_fg,bg=$host_bg,bold] #h "
 #       tmux set -g status-right-length 64 \; set -g status-right "$status_right"
 #
-#
 #       # clock
 #       clock_mode_colour=colour39  # light blue
 #       tmux setw -g clock-mode-colour $clock_mode_colour
@@ -240,13 +238,13 @@ run 'for name in $(printenv | grep -Eo ^tmux_conf_[^=]+); do tmux setenv -gu $na
 #
 # maximize_pane() {
 #   __current_pane=$(tmux display -p '#D')
-#  
+#
 #   __dead_panes=$(tmux list-panes -s -F '#{pane_dead} #{pane_id} #{pane_title}' | grep -o '^1 %.\+%.\+$' || true)
 #   __restore=$(echo "${__dead_panes}" | sed -n -E -e "s/^1 ${__current_pane} \[\+\](%[0-9]+)$/tmux swap-pane -s \1 -t ${__current_pane} \; kill-pane -t ${__current_pane}/p" -e "s/^1 (%[0-9]+) \[\+\]${__current_pane}$/tmux swap-pane -s \1 -t ${__current_pane} \; kill-pane -t \1/p" )
-#  
+#
 #   if [ x"${__restore}" = x ] ; then
 #     [ x"$(tmux list-panes | wc -l | sed 's/^ *//g')" = x1 ] && tmux display "Can't maximize with only one pane" && return
-#  
+#
 #     __window=$(tmux new-window -P "exec maximized+ 2> /dev/null | tmux setw remain-on-exit on && printf '\033]2;%s\033\\' [+]${__current_pane}")
 #     __window=${__window%.*}
 #