//
// Use each Chunk in turn until we are done.
//
do {
dataChunk = dataChunk.nextChunk();
if (dataChunk == null) {
throw new RuntimeException(new ImplementationMessages().createMessage(null, ImplementationMessages.INT_DCN, 0, null));
}
nbytes = count <= CharDataChunk.CHUNK_SIZE ? count : CharDataChunk.CHUNK_SIZE;
if (isWhitespace)