bug#64750: 30.0.50; [PATCH] Clicking at screen edge in X11 echoes "<nil> <mouse-1> is undefined"

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

> tags 64750 notabug
> thanks
>
>> Date: Thu, 20 Jul 2023 18:12:31 +0000
>> From:  Antero Mejr via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>>
>> When clicking along the left edge of screen in a maximized emacs X11
>> window, the message "<left-fringe> <mouse-1> is undefined" or
>> "<nil> <mouse-1> is undefined" will appear. This can also be done with
>> the right fringe, and with the top edge of the screen if the menu and
>> tool bars are disabled. It can also be done using mouse events besides
>> <mouse-1>, like <mouse-2>, <down-mouse-1>, or <drag-mouse-1>.
>
> This is the correct and intended behavior, not a bug.  When the user
> invokes a key sequence or a mouse gesture that is not bound to any
> command, Emacs says so.
>
>> This bug makes using programs with clickable UI elements at the edge of
>> the frame annoying. The cursor tends to land in the nil or fringe areas,
>> then the distracting/irrelevant message appears in the echo area when
>> you attempt to click.
>>
>> The attached patch globally ignores all inputs for those areas in
>> fringe.el.
>
> Thanks, but I don't think we should install this.  If the behavior you
> described annoys you that much, you can always add these bindings to
> your personal init files -- that's why Emacs makes it easy to
> customize key bindings.  But in general, arbitrarily ignoring key
> sequences just because they are not bound to commands is not TRT, IMO.

I'm therefore closing this bug report.