Fix an IOOB exception

     */

    public int copyCodePointsExceptTrailingSingleQuotesAndReturnCodePointCount(

            final int[] destination) {

        // This method can be called on a separate thread and mTypedWordCache can change while we

        // are executing this method.

        final String typedWord = mTypedWordCache.toString();

        // lastIndex is exclusive

        final int lastIndex = mTypedWordCache.length()

                - StringUtils.getTrailingSingleQuotesCount(mTypedWordCache);

        final int lastIndex = typedWord.length()

                - StringUtils.getTrailingSingleQuotesCount(typedWord);

        if (lastIndex <= 0) {

            // The string is empty or contains only single quotes.

            return 0;

        // The following function counts the number of code points in the text range which begins

        // at index 0 and extends to the character at lastIndex.

        final int codePointSize = Character.codePointCount(mTypedWordCache, 0, lastIndex);

        final int codePointSize = Character.codePointCount(typedWord, 0, lastIndex);

        if (codePointSize > destination.length) {

            return -1;

        }

        return StringUtils.copyCodePointsAndReturnCodePointCount(destination, mTypedWordCache, 0,

        return StringUtils.copyCodePointsAndReturnCodePointCount(destination, typedWord, 0,

                lastIndex, true /* downCase */);

    }