existing log ('$GIT_DIR/logs/<ref>'). Note that this looks up the state
of your *local* ref at a given time; e.g., what was in your local
'master' branch last week. If you want to look at commits made during
- certain times, see '--since' and '--until'.
+ certain times, see `--since` and `--until`.
'<refname>@{<n>}', e.g. 'master@\{1\}'::
A ref followed by the suffix '@' with an ordinal specification