> I found that previous canna package was 3.6.1 (== 3.6p1) and now isn't
> 3.6.3 but 3.6p3.  For consistency is it better to change 3.6.3?

This is a mistake.  It's It's okay to change back to 3.6.3.

(But I prefer '3.6p3' if this correction brings only small problems.)

Masao