SVK::Command::Annotate - Display per-line revision and author info

 annotate [PATH][@REV]
 annotate [-r REV] [PATH]
 annotate DEPOTPATH[@REV]
 annotate [-r REV] DEPOTPATH

 -r [--revision] REV    : annotate up to revision
 -x [--cross]           : track revisions copied from elsewhere
 --remoterev            : display remote revision numbers (on mirrors only)

Note that -r REV file will do annotation up to REV, while file@REV will do annotation up to REV, plus the checkout copy differences.