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RE: Display backslash-n in dialog?

From: Thomas Dickey
Subject: RE: Display backslash-n in dialog?
Date: Mon, 19 Sep 2011 05:44:00 -0400 (EDT)

On Mon, 19 Sep 2011, Moray Henderson wrote:

From: Thomas Dickey [mailto:address@hidden
Sent: 19 September 2011 00:50

On Wed, Jul 27, 2011 at 02:39:42PM +0100, Moray Henderson wrote:
There may be a bug then.  I have tested this up to dialog Version
1.1-20100428 - Fedora 15 LiveCD booted to runlevel 3 with vim-common
installed to provide xxd(1).  I captured hex dumps from the output of
2 dialog commands:

  dialog --msgbox "Hello\A world" 5 25 | xxd > 1
  dialog --msgbox "Hello\Z world" 5 25 | xxd > 2

I'll have a temporary snapshot for this tonight in


(am only about 2/3 through my backlog for dialog).

Great - thanks for that.

By the way, have you ever encountered an interaction between the console
mouse server gpm(8) and dialog in a PuTTY window?  A couple of years ago I
posted a description on the CentOS Forum
9814&forum=37) but nobody could offer an explanation.  Should have posted
here instead :-)

The most likely problem is that I overlooked a problem with gpm in ncurses which allowed it to open an unwanted connection for xterm. (For quite a while this wasn't a problem since gpm and X wouldn't work together, but finally X was fixed, and packagers began turning on gpm without asking anymore).

The connections aren't closed, and after a few tries, the application becomes unusable. It's still a problem with CentOS iirc, since I fixed it in ncurses with its 5.6 release - looks like CentOS 5.6 has the previous release for ncurses still (more than five years old). I can lookup the exact versions later, but am short of time this morning.

Thomas E. Dickey

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