Subject: bug#63054: Input Event <nil>, undocumented?

From: Eli Zaretskii <[email-masked]>
Date: Mon, 24 Apr 2023 19:29:42 +0300

tags 63054 notabug
thanks

> From: Shynur Xie <[email-masked]>
> Date: Mon, 24 Apr 2023 16:08:43 +0000
> msip_labels: 
> 
> See <https://emacs.stackexchange.com/questions/76952> posted
> by me.
> 
> In short, rolling mouse-wheel when the mouse pointer is over some
> specific UI element leads to an input event started by <nil>.
> 
> I don't know what's that, and Emacs behaves differently on different OSes.

It simply means mouse-wheel is undefined there.

It's a feature, not a bug.  Don't believe everyone who writes
something on SE.