minor fix drag after merge
minor fix
fix: sync before notifyAll
Merge branch '6.5' of github.com:zkoss/zk
Bug ZK-1951 : Page becomes blank after detaching a modal window having an iframe loaded with PDF in IE 10
Merge remote-tracking branch 'upstream/6.5'
Style fixed: the head-bar should look well when native scrollbar appear
Bug fixed: the first header should have border-left when the header of before head have too much rowspan.
Merge branch 'master' of https://github.com/zkoss/zk into fix-ie8
Fine tune
Merge branch 'master' of https://github.com/zkoss/zk into fix-ie8
Merge branch 'fix-ie8' of https://github.com/huangnoah/zk into fix-ie8