···1111### message format
12121313```
1414-<service/top-level directory>: <package/path>: <short summary of change>
1414+<service/top-level directory>: <affected package/directory>: <short summary of change>
151516161717-Optional longer description, if needed. Explain what the change does and
1818-why, especially if not obvious. Reference relevant issues or PRs when
1919-applicable. These can be links for now since we don't auto-link
2020-issues/PRs yet.
1717+Optional longer description can go here, if necessary. Explain what the
1818+change does and why, especially if not obvious. Reference relevant
1919+issues or PRs when applicable. These can be links for now since we don't
2020+auto-link issues/PRs yet.
2121```
22222323Here are some examples:
···35353636### general notes
37373838-- PRs get merged as a single commit, so keep PRs small and focused. Use
3939-the above guidelines for the PR title and description.
3838+- PRs get merged "as-is" (fast-forward) -- like applying a patch-series
3939+using `git am`. At present, there is no squashing -- so please author
4040+your commits as they would appear on `master`, following the above
4141+guidelines.
4042- Use the imperative mood in the summary line (e.g., "fix bug" not
4143"fixed bug" or "fixes bug").
4244- Try to keep the summary line under 72 characters, but we aren't too