Internal echo of shell beaves (sometimes) different to external echo

[Ralf]

Is there a way to get the right umlaut with the internal echo of the shell?
Example script:

export LC_ALL=de_DE
c:/unix/bin/uname -a
echo "Rücken" > ttt.txt
cat ttt.txt
c:/unix/bin/od -c ttt.txt
c:/unix/bin/echo "Rücken"
c:/unix/bin/echo "Rücken" | c:/unix/bin/od -c
echo "Rücken"
echo "Rücken" | c:/unix/bin/od -c

The output is:
CYGWIN_NT-6.0-WOW64 WIESWEG 1.7.15(0.260/5/3) 2012-05-09 10:25 i686 Cygwin
Rücken
0000000   R   ü   c   k   e   n  \r  \n
0000010
Rücken
0000000   R   ü   c   k   e   n  \n
0000007
Râ–’cken
0000000   R   ü   c   k   e   n  \n
0000007

It's strange that the internal echo only gives the right output if its
redirected. Is there a way to get the right output without redirecting?
(I tried output-meta but with no success)


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