I am coding using the drag and drop method in which document text is highlighted and dragged to the node. Highlighting works fine, but I can't establish a pattern of why the dragging intermittently fails about half the time. When it doesn't work, the highlighted text becomes unhighlighted and starts highlighting again where I click the cursor. The best I can tell, unless I click exactly on the black text that is highlighted (not on any whitespace, even it is the space in the "O" of the text), the drag will fail. I find that I can most successfully drag the highlighted text when I click on an "
