Alan Mackenzie <acm@muc.de> writes:

>>> @@ -3621,9 +3621,14 @@ Special Properties
>
>>> +When Emacs calls these functions, @code{inhibit-modification-hooks} is
>>> +set to @code{nil}.
>
>> As Phillip mentioned in the OP, Emacs in fact binds it to t.
>
> Are you sure?  We're talking here about the text property (in which I
> think inhibit-modification-hooks IS at nil) as opposed to the overlay
> property (where inhibit-modification-hooks is bound to t).

Oh, you're quite right.  Here's some test code: