automatic accidentals and modern style within tuplets

[Andrea Rossato]

Hi there!
According to the manual [1], when setting #(set-accidental-style 
'modern) temporary accidentals are canceled in other octaves. This seems 
not to happen within tuplets. For instance, I would expect that with:
\times 2/3 {cis' c'' c'}
c'' and c' accidental should both be canceled.  This is not the case. 
Instead that happens with:
cis4' c'' c'2

Is this a bug?
I'm using 2.4.2.

All the best.
Andrea


[1] 
http://www.lilypond.org/doc/v2.4/Documentation/user/out-www/lilypond/Automatic-accidentals.html#Automatic-accidentals