My guess is, you're looking at examples with nested or child record definitions, e.g.:

nestedRec := RECORD
 string afield;
END;

RECORD
 string bfield;
 nestedRec nrec;
 string cfield;
END;


i.e. the top level record definition, has no <name> := prefix..
At least none I've seen.

To confirm, please provide an example of the regression suite query and the filename that you see with a prefix..