Merge branch 'mwheel-no-alts'

diff --cc etc/NEWS
index 967d8a94113c5e42014d0c88be7d44c58148fe7f,fefdfb2afb3e8aeba43901ad99ce6df37b301c70..8129412e8728eb83d097255ec10914b3781a1945
--- 1/etc/NEWS
--- 2/etc/NEWS
+++ b/etc/NEWS
@@@ -412,10 -406,13 +412,17 @@@ respectively, in addition to the existi
  \f
  * Changes in Specialized Modes and Packages in Emacs 30.1
  
 +---
 +** Trace
 +In batch mode, tracing now sends the trace to stdout.
 +
+ +++
+ ** Mwheel
+ The 'wheel-up/down/left/right' events are now bound unconditionally,
+ and the 'mouse-wheel-up/down/left/right-event' variables are thus
+ used only to specify the 'mouse-4/5/6/7' events generated by
+ legacy setup, such as 'xterm-mouse-mode' or X11 without XInput2.
+ 
  +++
  ** New command 'lldb'.
  Run the LLDB debugger, analogous to the 'gud-gdb' command.