The new punctuation marks are for use within a ... “Clever [exclamation comma] funny I never saw one of those before.” ...

One has claws at the end of its paws, and the other is a pause at the end of a clause!

They could end in a question mark or an exclamation mark. Full stops and commas. Full stops and commas are punctuation marks. A full stop ends a sentence. A comma shows a pause, breaks up a list ...