allout-widgets-mode-inhibit is a variable defined in `allout-widgets.el'.
Its value is

  • Automatically becomes buffer-local when set.
  • This variable is safe as a file local variable if its value
    satisfies the predicate `booleanp'.

Inhibit `allout-widgets-mode' from activating widgets.

This also inhibits automatic adjustment of widgets to track allout outline

You can use this as a file local variable setting to disable
allout widgets enhancements in selected buffers while generally
enabling widgets by customizing `allout-widgets-auto-activation'.

In addition, you can invoked `allout-widgets-mode' allout-mode
buffers where this is set to enable and disable widget
enhancements, directly.