anchor.diff:       inc(Index);
        Instruction:=Instruction^.Next;
       end;
  -    opJMP,opSAVE,opBOL,opEOL,opBOT,opEOT,opBRK,opNBRK:begin
  +    opJMP,opSAVE,opBOL,opEOL,opBOT,opEOT,opBRK,opNBRK,opLOOKBEHINDNEGATIVE,opLOOKBEHINDPOSITIVE,opLOOKAHEADNEGATIVE,opLOOKAHEADPOSITIVE:begin
        Instruction:=Instruction^.Next;
       end;
       opMATCH:begin
  
positive.code:            Stack[StackPointer].Condition:=Condition;
             inc(StackPointer);
            end;
            else begin
             OnePassNFAReady:=false;
             break;
  
negative.code: 
         CharClasses:TPFLRECharClasses;
         CountCharClasses:longint;
  
         LookAssertionStrings:TFLRELookAssertionStrings;
         CountLookAssertionStrings:longint;
  
         FixedString:ansistring;
         FixedStringIsWholeRegExp:longbool;
  