tex-fontify-script is a variable defined in `tex-mode.el'.
Its value is
t
This variable is safe as a file local variable if its value
satisfies the predicate `booleanp'.
Documentation:
If non-nil, fontify subscript and superscript strings.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 23.1 of Emacs.