$config_fix_newlines
配置固定换行符变量
If set to true, mac and DOS newlines (\r and \r\n) in config files are
converted to \n when they are parsed. true by default.
如果该变量设为真,那么在配置文件中的mac
和 dos 换行符(\r and \r\n)在语法解析时将会转换为\n.
默认情况下,该变量为真.