either <since> or <until> is omitted, it defaults to
`HEAD`, i.e. the tip of the current branch.
For a more complete list of ways to spell <since>
- and <until>, see linkgit:gitrevisions[1].
+ and <until>, see linkgit:gitrevisions[7].
--follow::
Continue listing the history of a file beyond renames
paths. With this, the full diff is shown for commits that touch
the specified paths; this means that "<path>..." limits only
commits, and doesn't limit diff for those commits.
++
+Note that this affects all diff-based output types, e.g. those
+produced by --stat etc.
--log-size::
Before the log message print out its size in bytes. Intended