anchor.diff:  
     mainSubservices = subservicesFor mainCfg;
   
  -  allSubservices = mainSubservices ++ concatMap subservicesFor vhosts;
  +  allSubservices = mainSubservices ++ concatMap subservicesFor mainCfg.virtualHosts;
   
   
     # !!! should be in lib
  
positive.code: 
        package = mkOption {
          default = pkgs.apacheHttpd.override { mpm = mainCfg.multiProcessingModule; };
  	example = "pkgs.apacheHttpd_2_4";
          description = "
            Overridable attribute of the Apache HTTP Server package to use.
          ";
  
negative.code:   };
  
  
    allHosts = [mainCfg] ++ mainCfg.virtualHosts;
  
  
    callSubservices = serverInfo: defs:
  