Make mouse-wheel default in Emacs

[Jari Aalto]

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In GNU Emacs 21.3.1 (i386-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2004-08-03 on raven, modified by Debian
configured using `configure '--build=i386-linux' '--host=i386-linux' 
'--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' 
'--localstatedir=/var/lib' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' '--with-x=yes' 
'--with-x-toolkit=athena' 'CFLAGS=-DDEBIAN -g -O2' 'build_alias=i386-linux' 
'host_alias=i386-linux''
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I would like to propose that the Emacs support Wheel mouses by default.
It's unintuitive to open X-editor, which does not enable Mouse wheel
without an explicit command.

The mwheel.el load could be arranged dynamically so that:

    1) if mouse-wheel even is received
    2) and mwheel is not loaded
       => load mwheel and enable mouse wheel

So, those users that have wheel mouse would take advantage of
it. Those who do not have, then mwheel is not loaded, because
mouse-wheel event is never sent.

Jari

Recent input:
' m o u s e - w h e e l - s c r o l l - s c r e e n 
) RET ESC [ A ESC [ A C-y RET ESC [ A ESC [ A ESC [ 
B C-k C-k C-k C-k C-k C-k ESC [ A ESC [ A TAB ESC [ 
C ESC d o f DEL DEL i f ESC [ B TAB C-a ESC [ B ESC 
[ D C-x C-s DEL C-x C-s ESC x r e p o t DEL r t - e 
m TAB RET

Recent messages:
Loading debug...done
Entering debugger...
 [2 times]
Back to top level.
Wrote /home/jaalto/vc/my/elisp/my/rc/emacs-rc-vanilla.el
Parsing error messages...done.
Mark set
Parsing error messages...done.
Mark set [3 times]
Wrote /home/jaalto/vc/my/elisp/my/rc/emacs-rc-vanilla.el [2 times]