add -X option of less

.bashrc

@@ -44,18 +44,19 @@ export PS1="\$(prompt_function)\$ "
 # PROMPT_COMMAND=prompt_function
 export PAGER="less"
 export EDITOR="vi"
-export VISUAL=$EDITOR
-export LESS="-iRM"
+export VISUAL="$EDITOR"
+export LESS="-iRMX"
 # export LC_MESSAGES="C"
 # export LANG=ja_JP.UTF-8
 # export CDPATH=".:~"             # 使い方がよく分からない
-export GIT_PAGER=$PAGER
-export GIT_EDITOR=$EDITOR
+export GIT_PAGER="$PAGER"
+export GIT_EDITOR="$EDITOR"
 
 alias ls="ls -CFG $(test "$TERM" == dumb || echo --color=auto) --time-style=long-iso"
 alias ll="ls -l"
 alias la="ls -A"
 alias lla="ls -Al"
+# alias less=""
 alias vl=/usr/share/vim/vimcurrent/macros/less.sh
 alias em="emacs -nw"
 alias apt-get="sudo apt-get"