Update for 2.4

_tmux.conf

@@ -1,6 +1,6 @@
 #
 # author   : Xu Xiaodong <xxdlhy@gmail.com>
-# modified : 2016 Dec 01
+# modified : 2017 Apr 29
 #
 
 #-- base settings --#
@@ -54,8 +54,9 @@ bind ^q killw # kill window (prefix Ctrl+q)
 # copy mode
 bind Escape copy-mode               # enter copy mode (prefix Escape)
 bind ^p pasteb                      # paste buffer (prefix Ctrl+p)
-bind -t vi-copy v begin-selection   # select (v)
-bind -t vi-copy y copy-pipe "xclip" # copy (y)
+unbind -T copy-mode-vi Space
+bind -T copy-mode-vi v send -X begin-selection   # select (v)
+bind -T copy-mode-vi y send -X copy-pipe "xclip" # copy (y)
 
 # app
 bind ! splitw htop                                  # htop (prefix !)