Hacker News Reader

> Or you can blame "GPL", because it obviously was created after CDDL...

It's the other way around.

Sarcasm was implied.

Wait, there is sarcasm on the internet? What's the markdown for that?

> "What's the markdown for that?"

/s

The sarcasm was that the great-great-grandparent didn't use it.

It's not a requirement, you don't have to use it every time you employ sarcasm online, it just helps if it's likely to be misunderstood.