(Compile with ./configure --enable-syslog (default enable))
    Should compile under Windows (--disable-syslog).

  . Added the logging method selection in vls.cfg :
    BEGIN "Vls"
      LogFile       = "vls.log"             # log file
      ScreenLog     = "enable"              # log to the console
      SystemLog     = "disable"             # log to the systemlog
    END