Question about commit message conventions

Hi,

although I've read the documentation of git very carefully, I could not find 
anything related to certain commit message conventions. It would be great 
if someone here could explain a few things, maybe this could be added to 
the wiki afterwards (<http://git.or.cz/gitwiki/CommitMessageConventions>).

First of all, what's the intended use of the "Signed-off-by:" lines? Does it 
make sense to add my name there, even when I'm listed as the author or 
committer of a commit? I thought that they are intended mostly to note the 
approval of other developers.

On the other hand, concerning the approval of other developers, what's the 
difference between "Signed-off-by:" and "Acked-by:"? Are there any 
more "*-by:" fields that are in use?

Regards,
Tobias

-- 
Tobias Toedter   | "I don't care to belong to a club that accepts people
Hamburg, Germany | like me as members." -- Groucho Marx

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