4 ms·
Because someone unified two similar encodings into CP-932/ShiftJIS. That someone who unified them wasn't IBM or NEC (both of whom made competing systems and had
by halostatue 17y ago
Because someone unified two similar encodings into CP-932/ShiftJIS. That someone who unified them wasn't IBM or NEC (both of whom made competing systems and had made different encoding choices, but whose choices were mostly compatible).
Rules for dealing with legacy encodings:
1. They make no sense.
2. If you think they make sense, remember that you weren't there so refer to rule 1.