Note 1 Content is not required to use these text spacing values. The requirement is to ensure that when a user overrides the authored text spacing, content or functionality is not lost. Note 2 Writing systems for some languages use different text spacing settings, such as paragraph start indent. Authors are encouraged to follow locally available guidance for improving readability and legibility of text in their writing system. Success Criterion 1.4.13 Content on Hover or Focus Understanding Content on Hover or Focus | How to Meet Content on Hover or Focus (Level AA) Where receiving and then removing pointer hover or keyboard focus triggers additional content to become visible and then hidden, the following are true: Dismissible A mechanism is available to dismiss the additional content without moving pointer hover or keyboard focus, unless the additional content communicates an input error or does not obscure or replace other content; Hoverable If pointer hover can trigger the additional content, then the pointer can be moved  over the additional content without the additional content disappearing; Persistent The additional content remains visible until the hover or focus trigger is removed, the user dismisses it, or its information is no longer valid.