support ascii value with control characters (?\C-x, ?\C-M, ?\M-\C-x)
support ascii value with control characters (?\C-x, ?\C-M, ?\M-\C-x)
weimingtom/xruby,rzel/xruby,weimingtom/xruby,rzel/xruby,rzel/xruby,weimingtom/xruby