anchor.diff:              HasOptimizations:=true;
               continue;
              end;
  -          end;
  +          end; }
             begin
              NodeStack.Add(@Node^.Right);
              NodeEx:=@Node^.Left;
  
positive.code: 
  const FLREVersion=$00000004;
  
        FLREVersionString='1.00.2018.04.17.00.47.0000';
  
        FLREMaxPrefixCharClasses=32;
  
  
negative.code:           HasOptimizations:=true;
            continue;
           end else if (Node^.Left^.NodeType=ntALT) or (Node^.Right^.NodeType=ntALT) then begin
  {         begin
             // Prefix factoring
             Optimized:=false;
             repeat
  