Using the arrow keys in vi-insert-mode frequently causes text to be deleted.

[Wes Bel]

From: Wes
To: bug-bash@gnu.org
Subject: Using the arrow keys in vi-insert-mode frequently causes text  
to be deleted.

Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: cygwin
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash.exe' -DCONF_HOSTTYPE='i686'  
-DCONF_OSTYPE='cygwin' -DCONF_MACHTYPE='i686-pc-cygwin'  
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash'  
-DSHELL -DHAVE_CONFIG_H -DRECYCLES_PIDS   -I.   
-I/home/eblake/bash-3.2.39-20/src/bash-3.2  
-I/home/eblake/bash-3.2.39-20/src/bash-3.2/include  
-I/home/eblake/bash-3.2.39-20/src/bash-3.2/lib   -O2 -pipe
uname output: CYGWIN_NT-5.1 SchoolOfTiger 1.5.25(0.156/4/2) 2008-06-12  
19:34 i686 Cygwin
Machine Type: i686-pc-cygwin

Bash Version: 3.2
Patch Level: 39
Release Status: release

Description:
I have only seen this problem on Cygwin. I've tried to duplicate it on  
RedHat and Arch Linux, but it works fine there.

Basically, when using vi mode, I've noticed text get deleted when I  
use the arrow keys to move the cursor in insert mode.


Repeat-By:
1. Switch to vi-mode. Doesn't matter how this is done. I have "set -o  
vi" in my .bashrc file.
2. Type a bunch of random or non-random characters. This will be in  
insert mode by default.
3. Now push the left arrow key down and hold it until it goes to the  
beginning of the line. Most of the time, a huge chunk of characters  
are deleted.
4. If this doesn't work, hold the right arrow key down to go back to  
the other end of the line to see if it happens.
5. Repeat. It happens pretty frequently for me, so it shouldn't be  
hard to replicate if it's going to happen at all.