diff --git a/source b/source index be9f621d529..348414da9e2 100644 --- a/source +++ b/source @@ -82726,6 +82726,19 @@ dictionary DragEventInit : MouseEventInit {
  • Otherwise, if force is not present or true, then run show popover given this true, and null.

  • +
  • +

    Otherwise:

    + +
      +
    1. Let expectedToBeShowing be true if this's popover + visibility state is showing; otherwise + false.

    2. + +
    3. Run check popover validity given expectedToBeShowing, true, and + null.

    4. +
    +
  • +
  • Return true if this's popover visibility state is showing; otherwise false.