4 check-ins using file docs/weeks/4.md version 5d7964ab2f

2023-04-26
13:21
add sprout distro link check-in: f61ba3ca74 user: jboy tags: revise-for-2023
2023-04-20
12:59
clarify license on PDF version check-in: 5d98431838 user: jboy tags: revise-for-2023
12:29
add emphasis check-in: aa93fabd05 user: jboy tags: revise-for-2023
09:52
announce guest speaker for week 4 check-in: 5763c506e9 user: jboy tags: revise-for-2023