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Fix arrow keys that display A B C D on remote shell

I wonder how many of you are annoyed with the arrow key behavior during insert mode in Vim.
Leave all the key mappings default, do not change your TERM environment. Here's a simple tip,
:set term=cons25
It was tested with Vim 5.8 and 6.1 editions on; FreeBSD 4.X-STABLE; xterm(-color),VT100 remote terminals; (t)csh shells.
Note that :set term=cons25 causes printing of garbage characters when the session is local. Vi 7.4, Debian Jessie.
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