Re: how and why does keyboard input unhighlight the mouse-selected region?

[Kevin Rodgers <ihs_4664@yahoo.com>]

Sandip Chitale wrote:
 > Kevin Rodgers <ihs_4664@yahoo.com> wrote in message 
news:<3F58D93F.2000005@yahoo.com>...
 > > Sandip Chitale wrote:
 > > > This may be the answer.
 > > >
 > > > deactivate-mark's value is t
 > > >
 > > > Documentation:
 > > > If an editing command sets this to t, deactivate the mark afterward.
 > > > The command loop sets this to nil before each command,
 > > > and tests the value when the command returns.
 > > > Buffer modification stores t in this variable.
 > >
 > > Yes, but even if I set it to nil with `M-:', select a region with the
 > > mouse, and type a prefix character (C-h), the highlighting goes away.  I
 > > can examine its value with `M-:' after selecting the region, which verifies
 > > that it is still nil.  Merely typing a key causes the the highlighting to
 > > disappear, even though no command has been executed.
 >
 > Is the "key" in "typing a key" a buffer modifying key?

No.

 > If not (for
 > example cursor movement keys) at least for me the region
 > (highlighting) remains active.

Any key, e.g. C-h, C-b, C-f, C-p, C-n, C-x, <left>, <right>, <up>, or <down>.

emacs was started with the -q and --no-site-file options.  The buffer is in
Fundamental mode.

GNU Emacs 21.3.1 (i386-pc-solaris2.7, X toolkit) of 2003-04-24 on briard

Is this a bug that I should report?

-- 
Kevin Rodgers