anchor.diff:  			vars.PREFIX = option.value
   		elseif name == "/CONFIG" then
   			vars.SYSCONFDIR = option.value
  -			vars.SYSCONFFORCE = true
   		elseif name == "/TREE" then
   			vars.TREE_ROOT = option.value
   		elseif name == "/SCRIPTS" then
  
positive.code: vars.PREFIX = nil
  vars.VERSION = "3.0"
  vars.SYSCONFDIR = nil
  vars.SYSCONFFORCE = nil
  vars.CONFBACKUPDIR = nil
  vars.SYSCONFFILENAME = nil
  vars.CONFIG_FILE = nil
  
negative.code:    SYSTEM = [[$SYSTEM]],
     PROCESSOR = [[$UNAME_M]],
     PREFIX = [[$PREFIX]],
     SYSCONFDIR = [[$SYSCONFDIR]],
     WIN_TOOLS = [[$PREFIX/tools]],
  ]=])
  if FORCE_CONFIG then
  	f:write("   FORCE_CONFIG = true,\n")
  end
  f:write("}\n")
  f:close()
  