Property definitions

markdown2 $ MdHardLineBreak :: defaultinit
# A hardline break (`\\n` or `  \n`)
class MdHardLineBreak
	super MdLineBreak

	# Does this line break used a backslash in the original source?
	var has_backslash: Bool
end
lib/markdown2/markdown_ast.nit:368,1--374,3