Auto-commit
By default, the modifications made in the topic tree and keyword tree are committed to the server automatically 5 minutes since the last modification.
If the topic tree was modified, 
icon will appear in the bottom-right corner of the topic panel.
icon will appear in the bottom-right corner of the topic panel.Move pointer over this icon to see how much time remains until auto-commit.
To cancel the automatic commit once click icon and select Do not auto-commit this time item from the pop-up menu.
icon and select Do not auto-commit this time item from the pop-up menu.