Not true, '=for' is part of POD6. See below. If you're getting errors, it's helpful to reduce the example to a reasonably small bit of code that duplicates the same error; either you'll realize the issue as you remove unrelated bits of code, or you'll end up with an example that epitomizes the problem you're facing.
$ cat foo.p6 =for comment This is a comment say "hi"; $ perl6 foo.p6 hi
