And some languages did even stranger things. For example COBOL's ALTER statement allowed you to modify the target of a given GO TO. The result is that any giv

And some languages did even stranger things. For example COBOL's ALTER statement allowed you to modify the target of a given GO TO. The result is that any given GO TO could theoretically transfer control anywhere in the program, based on a statement that could have appeared anywhere else in the program. Yes, this was used in production. In code that handled real financial transactions.