Complex sentence: The 15th edition was revised to reflect the emergence of computer technology and the Internet in publishing, offering guidance for citing electronic works; other changes included a chapter by Bryan A. Garner on American English grammar and usage, and revised treatment of mathematical copy.
Split into simpler sentences: The 15th edition was revised to reflect the emergence of computer technology and the Internet in publishing, offering guidance for citing electronic works. Other changes included a chapter by Bryan A. Garner on American English grammar and usage, and a revised treatment of mathematical copy.