if (buffer.length < word.length) buffer = new char [word.length];
final boolean different = CharArrayUtils.toLowerCase(word, buffer);
mutableCharArray.reset(buffer, 0, word.length);
final CharSequence stemmed = stemmer.stem(mutableCharArray);
if (stemmed != null)
{
mutableCharArray.reset(stemmed);
stemImages[i] = context.intern(mutableCharArray);
}