Clarify some metadata and change the keys for date-related metadata.
Review Request #11752 — Created July 28, 2021 and submitted
Based on feedback, the purpose of "committer" vs. "author" and "date"
vs. "committer date" wasn't entirely clear, as not all SCMs
differentiated between these.
"date" and "committer date" also seemed to be backwards from general
To address this:
- "committer date" was renamed to "date", and is now the primary date
representing the change (whether the commit date or when the diff was
The old "date" was renamed to "author date", and is now available
when the date of the authorship (e.g., creation of the diff or
posting of a review) is available and meaningfully useful.
Descriptions for all these fields were fleshed out, describing their
intent, purpose, how they differ from each other, when they're
expected to be present, and what they should contain.
Built the docs. Read through them, checked links, and checked for