Register a delimiter processor for a special character

Property definitions

markdown2 $ MdInlineParser :: add_delimiter_processor_for_char
	# Register a delimiter processor for a special character
	private fun add_delimiter_processor_for_char(delimiter_char: Char, delimiter_processor: MdDelimiterProcessor, map: Map[Char, MdDelimiterProcessor]) do
		assert not map.has_key(delimiter_char) else
			print "Delimiter processor conflict with delimiter char `{delimiter_char}`"
		end
		map[delimiter_char] = delimiter_processor
	end
lib/markdown2/markdown_inline_parsing.nit:73,2--79,4