Virtual spaces in

In the programming environment, you can select "enable virtual space". The path is: "tool" = "option" = "Text Editor" = "all languages" = "set" (virtual spaces are enabled ), the effect is that you haveCodeOfProgramAll blank spaces are filled in the Document. When you move the cursor up or down with four arrow keys on the keyboard, the blank space is like a real character, the cursor can actually move to any place you want to reach. For example, moving down will keep the same column position, the position of the column where the cursor is located is not changed because of the blank space of some rows in the column. As a result, when the cursor is quickly moved, it will jump up and down.