Doug Ewell scripsit:
> And then there's Grade
> 2 Braille, which completely breaks the "simple cipher" model.
Not really: it is just enciphered code. Similarly, in the flag code
we can encode the phrase "I require a pilot" as G, or "I am in distress"
as "NC", and then encipher these (one-to-one) using the flags for those
letters. The code "G", BTW, also represents "I am hauling nets".
Again, this is like encoding "Abandon all claims" as "ABALC", and
then enciphering this using International Morse or Baudot, as was done
in cable days. The reason for Unicoding Braille was practical, not theoretical.
-- John Cowan <firstname.lastname@example.org> http://www.reutershealth.com I amar prestar aen, han mathon ne nen, http://www.ccil.org/~cowan han mathon ne chae, a han noston ne 'wilith. --Galadriel, _LOTR:FOTR_
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