@item check that @file{stdout} and @file{$3} are not written simultaneously
@item check that generated target was not modified "externally" outside
the redo, preventing its overwriting, but continuing the build
+ (optionally can stop)
@end itemize
@item recursive, indented and serialized logs display ability, with
priority to the depth and bad return codes, like in @command{apenwarr/redo},