anchor.diff:  
         defaultShare = {
           enable = mkOption {
  -	  description = "Whether to share /home/smbd as 'default'";
  +	  description = "Whether to share /home/smbd as 'default'.";
   	  default = false;
   	};
           writeable = mkOption {
  -	  description = "Whether to allow write access to default share";
  +	  description = "Whether to allow write access to default share.";
   	  default = false;
   	};
           guest = mkOption {
  -	  description = "Whether to allow guest access to default share";
  +	  description = "Whether to allow guest access to default share.";
   	  default = true;
   	};
         };
  
positive.code:       description = "Samba Service daemon ${appName}";
  
        startOn = "started samba";
        stopOn = "stopping samba-control";
  
        exec = "${samba}/sbin/${appName} ${args}";
      };
  
negative.code:       enable = mkOption {
          default = false;
          description = "
            Whether to enable Samba, which provides file and print
            services to Windows clients through the SMB/CIFS protocol.
          ";
        };
  
  