Getting past emacs 80 column barrier (in terminal-emulator mode)

[jgombos]

If emacs is in terminal-mode, it seems to constrain some tools to 80 columns
of output.  Running "watch" inside an emacs terminal wraps the line:

emacs -nw --eval='(terminal-emulator "*echo nested inside watch*" "watch"
'"'"'("--interval" "3600" "echo
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"))'

I know the problem is not the watch command, because the following will
properly show 85 x's on one line:

watch --interval 3600 echo
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Note that the following will correctly show 85 x's on one line (suggesting
that the problem emacs doesn't have the problem with all tools):

emacs -nw --eval='(terminal-emulator "*echo only*" "echo"
'"'"'("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"))'

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