RE> I find this mistranslation puzzling. Though ~Naa.namoli wasn't
RE> infallible, he was certainly very careful and the above mistake is
RE> a most elementary one -- especially the fact that he has ignored
RE> the word "a~n~nuu" altogether. This makes me wonder if he was
RE> translating from a manuscript with a different reading from that
RE> of the 6th Council edition.
I found the same reading on CSCD.
I think that Ven. ~Naa.namoli translated this phrase according to the
context. If I remember rightly, Buddhaghosa emphasizes that mindfulness
of breathing is not suitable for everyone.