I think operating systems work best if they're free and open. Particular applications are more likely to be proprietary.

I want people to use Perl. I want to be a positive ingredient of the world and make my American history. So, whatever it takes to give away my software and get it used, that's great.

What about writing it first and rationalizing it afterwards?

Odd that we think definitions are definitive.

Accidental stacks considered harmful.

That being said, I think we should immediately deprecate any string concatenation that combines '19' with '99'.

All language designers are arrogant. Goes with the territory.