return false;
if (begin < fContent.length() - 1 && !Character.isWhitespace(fContent.charAt(begin + 1))) return false;  return true;
	protected final boolean isSingleLetter(final int begin) {		if (begin > 0 && begin < fContent.length() - 1)			return Character.isWhitespace(fContent.charAt(begin - 1)) && Character.isLetter(fContent.charAt(begin)) && Character.isWhitespace(fContent.charAt(begin + 1));		return false;	}