thanks everyone for the observations, comments, suggestions, I have now logged this with support suggesting an enhancement to allow this type of comment ( and no doubt others) to be capable of being turned off when the code is delivered to a live site,.
Although I understand the encryption means no one can hack it, I hate to have clues lying around eventually, I suspect that ISC will come back and say yes or no, and when that happens, I will let everyone know. thanks again. kev
