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    Type:New Feature 
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    Resolution: Done
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    Priority:Normal 
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    Affects Version/s: 5.0.3
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    Component/s: Components
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    Security Level: Jimmy
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    None
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        None
https://sourceforge.net/tracker/?func=detail&aid=3048276&group_id=152762&atid=785191
how to reproduce:
1. go to http://www.zkoss.org/zkdemo/userguide/#g2
2. click "group" in the menu popup
3. click on "group" again results in performing sorting, not ungrouping
- duplicates
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                    ZK-870 Menupopup grouping cannot be canceled -         
- Closed
 
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