public override bool IncrementToken() { if (m_input.IncrementToken()) { char[] chArray = termAtt.Buffer; int chLen = termAtt.Length; for (int i = 0; i < chLen;) { i += Character.ToChars(LowerCase(charUtils.CodePointAt(chArray, i, chLen)), chArray, i); } return(true); } else { return(false); } }