Changed "will" to "may" in r54664.

Thanks for fixing the message.

But the main part of this request was to implement an opt-out option (such as a preference setting) as this easily turns annoying for more experienced users.

Many editors using non-IE browsers regularly jump back and forth while editing and these editors are are already complaining loudly all over the place. (Reopen)

(In reply to comment #2)

Thanks for fixing the message.

But the main part of this request was to implement an opt-out option (such as a
preference setting) as this easily turns annoying for more experienced users.

Sorry, forgot to mention that I'd done that in r54662

Thanks :-)