Moves the selected heading, and the text below the heading, up one heading position in the Navigator and in the document. To move only the selected heading and not the text associated with the heading, hold down Ctrl, and then click this icon.
将选定的标题和标题下面的文字在“导航”和文档中上移一个标题位置。要仅移动选定的标题，而不移动与之关联的文字，请按住 Ctrl 键，然后单击此图标。