Strange "SET" (pseudo-) command output

[Andrew Bogorodsky <a dot bogorodsky at gmail dot com>]

Hello!

I'd install cygwin  under Windows Vista

01:41 [Lenovo G550@BlackBoard ~] uname -a
CYGWIN_NT-6.0 BlackBoard 1.7.6(0.230/5/3) 2010-08-16 16:06 i686 Cygwin

All is fine except an output of SET command. It outputs some SETs as
it is expected but floods some sources after them. You can see full
dump of it:
$  set > t.txt
t.txt here: http://files.mail.ru/N5KR7O or here:
http://rapidshare.com/files/414508643/t.txt

Shortly it looks like:
====
USERNAME='Lenovo G550'
USERPROFILE='C:\Users\Lenovo G550'
WINDIR='C:\Windows'
_=date
configsetroot='C:\Windows\ConfigSetRoot'
f=
_ImageMagick ()
{
    local cur prev;
    _get_comp_words_by_ref cur prev;
    case $prev in
        -channel)
            COMPREPLY=($( compgen -W 'Red Green Blue Opacity \
                Matte Cyan Magenta Yellow Black' -- "$cur" ));
====
and here more and more source code %-\

What can be wrong, friends?

-- 
=================================
       Andrew Bogorodsky
=================================

-- 
=================================
? ? ?? Andrew Bogorodsky
=================================

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