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bug#2449: 23.0.90; Disabling transient-mark-mode doesn't work well in an

From: Chong Yidong
Subject: bug#2449: 23.0.90; Disabling transient-mark-mode doesn't work well in ansi-term
Date: Sun, 08 Mar 2009 14:53:14 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

Dan Nicolaescu <address@hidden> writes:

> I think we are miscommunicating here.  The problem in this case happens
> when transient-mark-mode is NOT active.
> Has something changed in the way the transient mark is handled even when
> transient-mark-mode is inactive?

That's what I'm trying to explain.  Mouse selection now uses the
(only. OLDVAL) mechanism implemented part of the shift-selection changes
installed many months ago:

  *** If a command sets `transient-mark-mode' to (only . OLDVAL), that
  means to activate transient-mark-mode temporarily, until the next
  unshifted point motion command or mark deactivation.  Afterwards,
  reset transient-mark-mode to the value OLDVAL.  The values `only' and
  `identity', introduced in Emacs 22, are now deprecated.

Mouse-selection is now a little "stickier", and this behavior is good in
most cases.  But the way ansi-term is set up, the mark never gets
deactivated.  That's why this bug occurs.

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