--- a/rc/bashrc	Wed Mar 22 00:28:08 2017 +0900
+++ b/rc/bashrc	Wed Mar 22 00:29:46 2017 +0900
@@ -83,7 +83,7 @@
 
 alias ls="ls -F"
 alias rd="rdesktop -g 1280x600 -K -a 15 -x m -z -P -r sound:off -r clipboard:CLIPBOARD -5"
-alias man="LANG=C man"
+alias man="LANG=C LC_ALL=C LC_CTYPE=C man"
 alias be="bundle exec"
 alias ll="ls -l"
 alias la="ls -A"
@@ -138,8 +138,6 @@
     fi
   ;;
   FreeBSD)
-    # Invalid characters when using en_US.UTF-8.
-    alias man="man -o"
     # Multi CPU awesomeness.
     alias top="top -P"
     # FreeBSD grep is GNU grep
@@ -289,7 +287,7 @@
   case "${_os}" in
   OpenBSD)
     # FIXME: OpenBSD version check
-    _tmux_conf_ver=1.9
+    _tmux_conf_ver=2.2
   ;;
   *)
     case "$(tmux -V 2> /dev/null)" in