The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Error Message
Error 21: BEGIN expected
QuickPascal found the start of a statement block without
the BEGIN keyword.
If BEGIN is present but in a different location, check for
any missing keywords such as VAR or DO.