tmux: Do not use abbreviated keybinds

tmux/tmux.conf

@@ -60,22 +60,22 @@ set-option -g message-style "bg=#CCCCCC,fg=#555555"
 
 # Use C-a as the prefix
 set-option -g prefix C-a
-unbind C-b
-bind C-a send-prefix
+unbind-key C-b
+bind-key C-a send-prefix
 
-unbind C-j
+unbind-key C-j
 
 bind-key k confirm kill-window
 bind-key K confirm kill-server
 
-bind h select-pane -L
-bind j select-pane -D
-bind k select-pane -U
-bind l select-pane -R
+bind-key h select-pane -L
+bind-key j select-pane -D
+bind-key k select-pane -U
+bind-key l select-pane -R
 
 # vertical = | in this case
-unbind %
-unbind '"'
+unbind-key %
+unbind-key '"'
 bind-key s split-window -v -c "#{pane_current_path}"
 bind-key v split-window -h -c "#{pane_current_path}"
 
@@ -94,4 +94,4 @@ bind-key -n C-F3 set-option status
 
 bind-key r source-file ~/.tmux.conf \; display-message "~/.tmux.conf sourced"
 
-bind P paste-buffer
+bind-key P paste-buffer