- How to hide whitespace
- Fetching PRs without having to add a new remote or copy-paste the URL of the author's fork
- How to review large blocks that have moved
- Suggest `git range-diff`. This section is still mostly incomplete; fixing an exact command that will work seems kinda tricky and I don't currently have time for it.
Document how to use WPA to profile rustc and what the normal workflow
should be for investigating bootstrap memory usage issues.
Co-authored-by: Ryan Levick <ryan.levick@gmail.com>