[vorbis] docs question

[Haas Wernfried]

hello,
i have a question about the documentation:

oggenc --help says:
 -b, --bitrate        Choose a nominal bitrate to encode at. Attempt
                      to encode at a bitrate averaging this. Takes an
                      argument in kbps. This uses the bitrate management
                      engine, and is not recommended for most users.
                      See -q, --quality for a better alternative.

while man oggenc says:
       -b n, --bitrate=n
              Sets  encoding  to  the  bitrate  closest  to n (in
              kb/s).
(nothing about the management engine)

and
       --managed
              Set bitrate management mode. [..]

does -b actually activate the bitrate managment mode as --help says or not (at
least the manpage does not mention it) and it has to be turned on manually?
i remeber reading somewhere that it has to be activated explicitely using
--managed, so the --help would be wrong then?

i hope i didn't post total nonsense right now as i am already confused
today ;)

btw:
# oggenc -v
OggEnc v1.0 (libvorbis 1.0)

<p>regards,
        wernfried


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