>>>Thanks, I installed it right now and that command is there.
>>
>>Good! But just to get it straight, it was already present in the original help file...
>
>Could it have been missed in one of the earlier CodePlex documentation? Or do you think the file somehow got corrupted?

According to the project history in VFPX, there were no changes concerning PRTINFO().

You may try to decompress your previous CHM file - I think that the VFPX installer made a backup copy, if you didn't - using hh or 7-zip, and see if they issue any warning in the process.