exceptions while editing file in editor
EA-43374 - assert: XmlTagImpl$.runInner
Rename method

According to a review comment CR-IC-84
add javadoc statement
new HashSet() -> ContainerUtil.newHashSet

According to a review comment in CR-IC-84.
IDEA-101547 Please add a clock in fullscreen mode!
After-review: we add/remove clock when enter/exit full screen mode
Merge remote-tracking branch 'origin/master'
add documentation comments
some OpenTHashSet doc