tweak snippet for ruby-mode
tweak snippet for ruby-mode

zuoshifan/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d,YangXin/emacs.d,YangXin/emacs.d,zuoshifan/emacs.d,zuoshifan/emacs.d