Changes

#2 (Jul 1, 2022, 4:10:07 PM)

1. Non optional connector (#3129) — noreply / githubweb
2. Update chapters/classes.tex — noreply / githubweb

#2 (Jul 1, 2022, 4:10:07 PM)

1. Non optional connector (#3129) — noreply / githubweb
2. Update chapters/classes.tex — noreply / githubweb