Preprocessor %PUSH and %POP statements are ignored.
The in-place initialization of an array of labels is not supported.
Built-in subroutines and built-in functions are partially supported. The parser does not match the argument list of calls to built-in subroutines with their actual signatures. It may successfully verify source code containing incorrect usage of built-in subroutines or built-in functions.
The DATE type is not supported.
The GENERIC attribute is partially supported.