我试图通过emacs中的软件包管理器安装sml-mode,但它无法正确编译。 这是日志:
Compiling no file at Sun Oct 11 18:34:14 2015
Leaving directory `/Users/a/.emacs.d/elpa/sml-mode-6.7'
Compiling file /Users/a/.emacs.d/elpa/sml-mode-6.7/sml-mode-pkg.el at Sun Oct 11 18:34:14 2015
Entering directory `/Users/a/.emacs.d/elpa/sml-mode-6.7/'
Compiling file /Users/a/.emacs.d/elpa/sml-mode-6.7/sml-mode.el at Sun Oct 11 18:34:14 2015
sml-mode.el:494:1:Warning: Unused lexical variable `data'
有什么建议吗?