Here's a simple block:

	foo

This should be a code block, though:

	<div>
		foo
	</div>

As should this:

	<div>foo</div>

Now, nested:

			foo

This should just be an HTML comment:

Multiline:

Code block:

	<!-- Comment -->

Just plain comment, with trailing spaces on the line:

   

Code:

	<hr />
	
Hr's:

