>>Nigel,
>>
>>If you check the Keywords entry in the help file you will find ldCheck listed as a keyword.
>
>Thanks,
>
>Apparently, its a dBase IV keyword (SET LDCHECK). VFP ignores it but still highlights it as a keyword.
>
>At last, I can sleep at nights!

If you check over at the FoxForum Wiki, it lists a whole bunch of these older dBaseIV commands that I never knew existed. They don't seem to do anything, just are syntactically recognized so code doesn't crash, I guess.