Johannes Schindelin wrote:

I do not really care as long as there is a nice way to edit the complete 
note interactively.

Of course, I _do_ expect people to get confused just like they do with the 
current inconsistencies: "git commit -m" does not really append, but set 
the commit message, even if you amend a commit.

So maybe you want to use a different command line option for that.

Maybe: git notes add [-m|-F]

-- 
see shy jo