private StringBuffer ensureStringBuffer(String toStore)	{
		if (buffer == null)	{
			if (toStore == null)
				buffer = new StringBuffer(8);
			else
				buffer = new StringBuffer(toStore);
			ensureSequenceList().add(buffer);
		}
		else
		if (toStore != null)	{
			buffer.append(toStore);
		}
		return buffer;
	}