scrolling up via mouse drag doesn't work

[David Reitter]

In a buffer with more than one page of text, move point to the end.
Turn off tool-bar-mode if it isn't turned off. Display only one  
window in the frame.

Then click and drag the mouse over the upper boundary of the window  
(and frame). This should cause Emacs to scroll the buffer, analogous  
to what it does when clicking and dragging over the bottom of the  
window.

However, it doesn't scroll.

When a tool-bar is displayed, scrolling works as intended.

I have produced this bug with a new build (CVS from last night,  
Carbon) as well.




In GNU Emacs 22.0.93.1 (powerpc-apple-darwin7.9.0, Carbon Version 1.6.0)
 of 2007-02-14 on rodrigues.inf.ed.ac.uk
X server distributor `Apple Computers', version 10.4.9
configured using `configure  '--without-x' '--prefix=/usr/local''

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: nil
  locale-coding-system: iso-8859-1
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: identity

Recent input:
<down-mouse-1> <mouse-1> M-v C-y <down-mouse-1> <mouse-1>
C-y C-y C-y C-y <down-mouse-1> <mouse-movement> <mouse-movement>
<mouse-movement> <mouse-movement> <help-echo> <mouse-movement>
<mouse-movement> <mouse-movement> <down-mouse-1> <mouse-1>
<down-mouse-1> <mouse-movement> <mouse-movement> <drag-mouse-1>
<down-mouse-1> <mouse-1> <down-mouse-1> <mouse-movement>
<mouse-movement> <drag-mouse-1> <down-mouse-1> <mouse-1>
<down-mouse-1> <mouse-movement> <mouse-movement> <drag-mouse-1>
<down-mouse-1> <mouse-1> <wheel-up> <double-wheel-up>
<triple-wheel-up> <triple-wheel-up> <triple-wheel-up>
<triple-wheel-up> <down-mouse-1> <mouse-movement> <mouse-movement>
<drag-mouse-1> <down-mouse-1> <mouse-1> <menu-bar>
<help-menu> <report-emacs-bug>

Recent messages:
(/Applications/Emacs.app/Contents/MacOS/Emacs)
For information about the GNU Project and its goals, type C-h C-p. [2  
times]
Loading encoded-kb...done
call-interactively: Beginning of buffer
Mark set [5 times]
Loading emacsbug...
Loading regexp-opt...done
Loading emacsbug...done


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