// folds titlecase variant of word to titleBuffer
private void CaseFoldTitle(char[] word, int length)
{
titleBuffer = ArrayUtil.Grow(titleBuffer, length);
System.Array.Copy(word, 0, titleBuffer, 0, length);
for (int i = 1; i < length; i++)
{
titleBuffer[i] = dictionary.CaseFold(titleBuffer[i]);
}
}