<%# this is a block comment %>
<%
=begin %>
	block comment
	(both lines of both the begin and end tags must be at the start of their lines)
<%
=end %>

<%# this is not %>
	<%
	=begin %>
	not a comment
	<%
	=end %>

----------------------------------------------------

[
	["erb", [
		["delimiter", "<%"],
		["ruby", [
			["comment", "# this is a block comment "]
		]],
		["delimiter", "%>"]
	]],
	["erb", [
		["delimiter", "<%"],
		["ruby", [
			["comment", "=begin %>\r\n\tblock comment\r\n\t(both lines of both the begin and end tags must be at the start of their lines)\r\n<%\r\n=end"]
		]],
		["delimiter", "%>"]
	]],

	["erb", [
		["delimiter", "<%"],
		["ruby", [
			["comment", "# this is not "]
		]],
		["delimiter", "%>"]
	]],
	["erb", [
		["delimiter", "<%"],
		["ruby", [
			["operator", "="],
			["keyword", "begin"]
		]],
		["delimiter", "%>"]
	]],
	"\r\n\tnot a comment\r\n\t",
	["erb", [
		["delimiter", "<%"],
		["ruby", [
			["operator", "="],
			["keyword", "end"]
		]],
		["delimiter", "%>"]
	]]
]

----------------------------------------------------

Checks for block comments (#1767).
