private String scanFlowScalarSpaces () {
		StringBuilder chunks = new StringBuilder();
		int length = 0;
		while (BLANK_T.indexOf(peek(length)) != -1)
			length++;
		String whitespaces = prefixForward(length);
		// forward(length);
		char ch = peek();
		if (ch == '\0')
			throw new TokenizerException("While scanning a quoted scalar, found unexpected end of stream.");
		else if (FULL_LINEBR.indexOf(ch) != -1) {
			String lineBreak = scanLineBreak();
			String breaks = scanFlowScalarBreaks();
			if (!lineBreak.equals("\n"))
				chunks.append(lineBreak);
			else if (breaks.length() == 0) chunks.append(" ");
			chunks.append(breaks);
		} else
			chunks.append(whitespaces);
		return chunks.toString();
	}