At Thu, 11 Jun 2009 23:11:40 -0700,
Yoshiki Ohshima wrote:
> 
>   If I understand it correctly, ASCII 63 did not have a left arrow.
> ISO decided to dump it at the ISO/TC97/SC2 meeting 1963, and ASCII
> adopted the decision, too.  There was some backward compatibility
> transition time when companies stick to the left arrow for like a
> decade and some software at that time was using it.
 
  Not it is really going to an off topic, but BTW, this info was from
my acquaintance Dr. Yasuoka.  He is a real hacker and historian; along
the way to debunk the myths around the history of typewriter (there is
a great book), one of many his interesting finding was like this:

http://kanji.zinbun.kyoto-u.ac.jp/~yasuoka/publications/emoticon.html

-- Yoshiki