This appears to no longer be an issue (at least, I can't reproduce it).
Please reopen with additional details if it still occurs on Hardy.
** Changed in: xkeyboard-config (Ubuntu)
Status: Confirmed = Fix Released
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several keyboard layouts are listed several times
[EMAIL PROTECTED]:~$ xmllint -shell /etc/X11/xkb/rules/xorg.xml
/ xpath /xkbConfigRegistry/modelList/model//configItem//name[text()='logiik']
Object is a Node Set :
Set contains 2 nodes:
1 ELEMENT name
2 ELEMENT name
[EMAIL PROTECTED]:~$
** Changed in: gnome-control-center (Ubuntu)