blink-cursor-mode and active fields

[Stephen Berman <steve@ims.uni-stuttgart.de>]

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In GNU Emacs 21.2.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2002-03-19 on steve
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  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: de_DE
  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:


When blink-cursor-mode is disabled, the cursor becomes invisible under
the following circumstances: (i) when the cursor is located on certain
kinds of "active" (i.e. clickable) fields (e.g., those in
customization buffers, in Gnus group buffers, in the recentf "more"
buffer -- but not on active fields in a *Help* buffer) and then the
mouse pointer is moved over the field; (ii) when the cursor is placed
on one of these active fields by a key combination (e.g. `C-x o' where
point in the other window is on the active field) and the mouse
pointer is located on the field; (iii) when the cursor is placed on an
active field by a mouse click on the field.  In all of these
circumstances, the cursor can be made visible again either (a) by
moving the mouse pointer off the frame (not just the window) in
question to another (not necessarily Emacs) frame on the desktop: then
the cursor is visible in outline -- moving the mouse pointer back to
the window containing the cursor in question then makes it fully
visible; or (b) by moving the mouse pointer over another active field
in the same window and waiting until a tooltip pops up.


Recent input:
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<mouse-movement> <mouse-movement> <mouse-movement> 
<drag-mouse-1> <help-echo> <down-mouse-2> <mouse-2> 
<help-echo> <return> <f1> <home> <down> <down> <down> 
<down> C-SPC <end> C-x k <return> <f11> * C <tab> u 
<tab> m <tab> <return> <help-echo> <help-echo> <help-echo> 
<help-echo> <up> <right> C-e <left> <left> <left> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <menu-bar> 
<files> <Open Recent> <More...> <down> <down> <right> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <f11> <return> <help-echo> <help-echo> 
M-x <up> <return>

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