mouse-drag.el steals [mouse-2] events from overlays

[David Kastrup]

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In GNU Emacs 21.1.4 (i586-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2001-10-28 on tupik.goethe.zz
configured using `configure  --prefix=/usr/local/emacs-21'
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.ISO8859-1
  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:

mouse-drag-drag is supposed to call the unadorned mouse key binding
when it finds the user did not drag.  This does not work in the case
of overlay-local keybindings.  The following patch makes this work as
expected.

txt491Z9VwsGS.txt
Description: Make mouse-drag-drag treat overlay-clicks correctly

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum
Email: David.Kastrup@t-online.de