bug#15261: 24.2; Cursor not visible while moving point in transient mark mode

[Eli Zaretskii <eliz@gnu.org>]

> Date: Tue, 3 Sep 2013 18:28:14 -0000
> From: "RICHARD MUNITZ (BLOOMBERG/ 731 LEXIN)" <rmunitz1@bloomberg.net>
> 
> Start 'emacs -Q';
> C-SPC (to set mark at the end of the buffer)
> Then in somewhat rapid succession, perhaps 1/4 second apart, type C-p C-p C-p C-p
> There is no evidence of movement while the C-p's are being typed that point is
> moving up the screen until you stop typing and point suddenly jumps 3
> lines up and it shows all lines highlighted.

What you describe sounds like redisplay cannot keep up with your
commands.  Unless the machine is extremely old and slow, I don't see
how this is possible in such a simple scenario.  FWIW, I cannot
reproduce that on my machine.