Text highlighted like this indicates a placeholder for some future action.It might be a note from the editor to himself, or an indication of the actual or expected direction of some as-yet open issue.

• 像这样的高亮文本表示将来动作的占位符，它也许是编辑器本身的注释，或者是现实的迹像，或者是一些公开版本中的期望方向。