- '%P': parent hashes
- '%p': abbreviated parent hashes
- '%an': author name
+- '%aN': author name (respecting .mailmap)
- '%ae': author email
-- '%ad': author date
+- '%ad': author date (format respects --date= option)
- '%aD': author date, RFC2822 style
- '%ar': author date, relative
- '%at': author date, UNIX timestamp
- '%ai': author date, ISO 8601 format
- '%cn': committer name
+- '%cN': committer name (respecting .mailmap)
- '%ce': committer email
- '%cd': committer date
- '%cD': committer date, RFC2822 style