Complex sentence: Later, however, batch processing was offered in such packages as Oracle's short-lived CoAuthor and allowed a user to view the results after a document was processed and correct only the words that were known to be wrong.
Split into simpler sentences: Later, however, batch processing was offered in such packages as Oracle's short-lived CoAuthor. This allowed a user to view the results after a document was processed and only correct the words that he or she knew to be wrong.