> I'm talking about your example with double hyphens. It's the initial double hyphen that causes the first letter to be uppercase. I was asking about the initi

> I'm talking about your example with double hyphens. It's the initial double hyphen that causes the first letter to be uppercase. I was asking about the initial example, and made a mistake in the question I asked. To clarify, according to the standards, what do the following transformations result in? data-my--cool-data data-my-cool-data