+@item
+ When @code{stderr} logs are kept, all environment variables, working
+ directory, command line arguments, start/finish times, duration,
+ participated PIDs, return codes are saved in corresponding
+ @file{.redo/tgt.log.rec} file. Some of them can be viewed with
+ @option{-c} option to @command{redo-log}.
+@item
+ @command{redo-log}'s @option{-r} option allows recursive, indented
+ viewing of the whole redo commands invocations for the given target
+ in serialized way.