turn off super/subscripts in `tex-mode'

[Joe Corneli]

These new super/sub scripts are cute, but what is the best way to
turn them off?  It would be nice to have a `toggle-suscripts'
function that would take care of turning them on and off.


In GNU Emacs 21.3.50.1 (i686-pc-linux-gnu, X toolkit)
 of 2004-10-18 on lab57
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: nil

Major mode: TeX

Minor modes in effect:
  auto-image-file-mode: t
  show-paren-mode: t
  display-time-mode: t
  austex-mode: t
  mouse-wheel-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <C-right> <down> <down> <down> 
<down> <down> <down> <down> <up> <up> <up> C-l C-r 
s u b s c r i p C-r C-r C-r C-s C-s C-s C-s C-s C-s 
<down> C-x b * <backspace> h <tab> <return> C-x b <return> 
C-r s u b s c r i p t C-r <down> C-r s u s c C-x b 
<return> M-x b u g <tab> M-x b u g - <M-backspace> 
r e p <tab> o <tab> r <tab> <return>

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