- Replace '-present' with '-2020' (fixes#329)
- Use correct format: Copyright (C) <year> <name of author>
- Fix some obviously incorrect years from copy/paste i.e. avoid time travel
Work in progress.
- Fix many spelling/grammar issues, primarily in comments
- Remove most spaces before punctuation
- Update XXH3 comment
- Wrap most comments to 80 columns
- Unify most comments to use the same style
- Use hexadecimal in the xxhash spec
- Update help messages to better match POSIX/GNU conventions
- Use HTML escapes in README.md to avoid UTF-8
- Mark outdated benchmark/scores
